Merge branches 'no-rebases', 'arch-avr32', 'arch-blackfin', 'arch-cris', 'arch-h8300', 'arch-m32r', 'arch-mn10300', 'arch-score', 'arch-sh' and 'arch-powerpc' into for-next
diff --git a/CREDITS b/CREDITS
index d8fe12a..2346b09 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1823,6 +1823,11 @@
S: D-64295
S: Germany
+N: Avi Kivity
+E: avi.kivity@gmail.com
+D: Kernel-based Virtual Machine (KVM)
+S: Ra'annana, Israel
+
N: Andi Kleen
E: andi@firstfloor.org
U: http://www.halobates.de
diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index c07f7b4..71c4da4 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -466,6 +466,10 @@
5.3 swappiness
Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
+Please note that unlike the global swappiness, memcg knob set to 0
+really prevents from any swapping even if there is a swap storage
+available. This might lead to memcg OOM killer if there are no file
+pages to reclaim.
Following cgroups' swappiness can't be changed.
- root cgroup (uses /proc/sys/vm/swappiness).
diff --git a/Documentation/devicetree/bindings/net/mdio-gpio.txt b/Documentation/devicetree/bindings/net/mdio-gpio.txt
index bc954952..c79bab0 100644
--- a/Documentation/devicetree/bindings/net/mdio-gpio.txt
+++ b/Documentation/devicetree/bindings/net/mdio-gpio.txt
@@ -8,9 +8,16 @@
MDC, MDIO.
+Note: Each gpio-mdio bus should have an alias correctly numbered in "aliases"
+node.
+
Example:
-mdio {
+aliases {
+ mdio-gpio0 = <&mdio0>;
+};
+
+mdio0: mdio {
compatible = "virtual,mdio-gpio";
#address-cells = <1>;
#size-cells = <0>;
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index a1793d6..3844d21 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -33,7 +33,7 @@
2 Modifying System Parameters
3 Per-Process Parameters
- 3.1 /proc/<pid>/oom_score_adj - Adjust the oom-killer
+ 3.1 /proc/<pid>/oom_adj & /proc/<pid>/oom_score_adj - Adjust the oom-killer
score
3.2 /proc/<pid>/oom_score - Display current oom-killer score
3.3 /proc/<pid>/io - Display the IO accounting fields
@@ -1320,10 +1320,10 @@
CHAPTER 3: PER-PROCESS PARAMETERS
------------------------------------------------------------------------------
-3.1 /proc/<pid>/oom_score_adj- Adjust the oom-killer score
+3.1 /proc/<pid>/oom_adj & /proc/<pid>/oom_score_adj- Adjust the oom-killer score
--------------------------------------------------------------------------------
-This file can be used to adjust the badness heuristic used to select which
+These file can be used to adjust the badness heuristic used to select which
process gets killed in out of memory conditions.
The badness heuristic assigns a value to each candidate task ranging from 0
@@ -1361,6 +1361,12 @@
equivalent to discounting 50% of the task's allowed memory from being considered
as scoring against the task.
+For backwards compatibility with previous kernels, /proc/<pid>/oom_adj may also
+be used to tune the badness score. Its acceptable values range from -16
+(OOM_ADJUST_MIN) to +15 (OOM_ADJUST_MAX) and a special value of -17
+(OOM_DISABLE) to disable oom killing entirely for that task. Its value is
+scaled linearly with /proc/<pid>/oom_score_adj.
+
The value of /proc/<pid>/oom_score_adj may be reduced no lower than the last
value set by a CAP_SYS_RESOURCE process. To reduce the value any lower
requires CAP_SYS_RESOURCE.
@@ -1375,7 +1381,9 @@
-------------------------------------------------------------
This file can be used to check the current score used by the oom-killer is for
-any given <pid>.
+any given <pid>. Use it together with /proc/<pid>/oom_score_adj to tune which
+process should be killed in an out-of-memory situation.
+
3.3 /proc/<pid>/io - Display the IO accounting fields
-------------------------------------------------------
diff --git a/Documentation/networking/netdev-features.txt b/Documentation/networking/netdev-features.txt
index 4164f5c..f310ede 100644
--- a/Documentation/networking/netdev-features.txt
+++ b/Documentation/networking/netdev-features.txt
@@ -164,4 +164,4 @@
This requests that the NIC receive all possible frames, including errored
frames (such as bad FCS, etc). This can be helpful when sniffing a link with
bad packets on it. Some NICs may receive more packets if also put into normal
-PROMISC mdoe.
+PROMISC mode.
diff --git a/Documentation/networking/vxlan.txt b/Documentation/networking/vxlan.txt
index 5b34b76..6d99351 100644
--- a/Documentation/networking/vxlan.txt
+++ b/Documentation/networking/vxlan.txt
@@ -32,7 +32,7 @@
# ip link delete vxlan0
3. Show vxlan info
- # ip -d show vxlan0
+ # ip -d link show vxlan0
It is possible to create, destroy and display the vxlan
forwarding table using the new bridge command.
@@ -41,7 +41,7 @@
# bridge fdb add to 00:17:42:8a:b4:05 dst 192.19.0.2 dev vxlan0
2. Delete forwarding table entry
- # bridge fdb delete 00:17:42:8a:b4:05
+ # bridge fdb delete 00:17:42:8a:b4:05 dev vxlan0
3. Show forwarding table
# bridge fdb show dev vxlan0
diff --git a/MAINTAINERS b/MAINTAINERS
index 59203e7..9386a63 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -526,17 +526,17 @@
F: arch/x86/include/asm/geode.h
AMD IOMMU (AMD-VI)
-M: Joerg Roedel <joerg.roedel@amd.com>
+M: Joerg Roedel <joro@8bytes.org>
L: iommu@lists.linux-foundation.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
-S: Supported
+S: Maintained
F: drivers/iommu/amd_iommu*.[ch]
F: include/linux/amd-iommu.h
AMD MICROCODE UPDATE SUPPORT
-M: Andreas Herrmann <andreas.herrmann3@amd.com>
+M: Andreas Herrmann <herrmann.der.user@googlemail.com>
L: amd64-microcode@amd64.org
-S: Supported
+S: Maintained
F: arch/x86/kernel/microcode_amd.c
AMS (Apple Motion Sensor) DRIVER
@@ -841,6 +841,14 @@
F: arch/arm/mach-sa1100/jornada720.c
F: arch/arm/mach-sa1100/include/mach/jornada720.h
+ARM/IGEP MACHINE SUPPORT
+M: Enric Balletbo i Serra <eballetbo@gmail.com>
+M: Javier Martinez Canillas <javier@dowhile0.org>
+L: linux-omap@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: arch/arm/mach-omap2/board-igep0020.c
+
ARM/INCOME PXA270 SUPPORT
M: Marek Vasut <marek.vasut@gmail.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -2708,10 +2716,10 @@
EDAC-AMD64
M: Doug Thompson <dougthompson@xmission.com>
-M: Borislav Petkov <borislav.petkov@amd.com>
+M: Borislav Petkov <bp@alien8.de>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
-S: Supported
+S: Maintained
F: drivers/edac/amd64_edac*
EDAC-E752X
@@ -3598,6 +3606,49 @@
F: drivers/net/hyperv/
F: drivers/staging/hv/
+I2C OVER PARALLEL PORT
+M: Jean Delvare <khali@linux-fr.org>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-parport
+F: Documentation/i2c/busses/i2c-parport-light
+F: drivers/i2c/busses/i2c-parport.c
+F: drivers/i2c/busses/i2c-parport-light.c
+
+I2C/SMBUS CONTROLLER DRIVERS FOR PC
+M: Jean Delvare <khali@linux-fr.org>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-ali1535
+F: Documentation/i2c/busses/i2c-ali1563
+F: Documentation/i2c/busses/i2c-ali15x3
+F: Documentation/i2c/busses/i2c-amd756
+F: Documentation/i2c/busses/i2c-amd8111
+F: Documentation/i2c/busses/i2c-i801
+F: Documentation/i2c/busses/i2c-nforce2
+F: Documentation/i2c/busses/i2c-piix4
+F: Documentation/i2c/busses/i2c-sis5595
+F: Documentation/i2c/busses/i2c-sis630
+F: Documentation/i2c/busses/i2c-sis96x
+F: Documentation/i2c/busses/i2c-via
+F: Documentation/i2c/busses/i2c-viapro
+F: drivers/i2c/busses/i2c-ali1535.c
+F: drivers/i2c/busses/i2c-ali1563.c
+F: drivers/i2c/busses/i2c-ali15x3.c
+F: drivers/i2c/busses/i2c-amd756.c
+F: drivers/i2c/busses/i2c-amd756-s4882.c
+F: drivers/i2c/busses/i2c-amd8111.c
+F: drivers/i2c/busses/i2c-i801.c
+F: drivers/i2c/busses/i2c-isch.c
+F: drivers/i2c/busses/i2c-nforce2.c
+F: drivers/i2c/busses/i2c-nforce2-s4985.c
+F: drivers/i2c/busses/i2c-piix4.c
+F: drivers/i2c/busses/i2c-sis5595.c
+F: drivers/i2c/busses/i2c-sis630.c
+F: drivers/i2c/busses/i2c-sis96x.c
+F: drivers/i2c/busses/i2c-via.c
+F: drivers/i2c/busses/i2c-viapro.c
+
I2C/SMBUS STUB DRIVER
M: "Mark M. Hoffman" <mhoffman@lightlink.com>
L: linux-i2c@vger.kernel.org
@@ -3605,9 +3656,8 @@
F: drivers/i2c/busses/i2c-stub.c
I2C SUBSYSTEM
-M: "Jean Delvare (PC drivers, core)" <khali@linux-fr.org>
+M: Wolfram Sang <w.sang@pengutronix.de>
M: "Ben Dooks (embedded platforms)" <ben-linux@fluff.org>
-M: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de>
L: linux-i2c@vger.kernel.org
W: http://i2c.wiki.kernel.org/
T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-i2c/
@@ -3618,6 +3668,13 @@
F: include/linux/i2c.h
F: include/linux/i2c-*.h
+I2C-TAOS-EVM DRIVER
+M: Jean Delvare <khali@linux-fr.org>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-taos-evm
+F: drivers/i2c/busses/i2c-taos-evm.c
+
I2C-TINY-USB DRIVER
M: Till Harbaum <till@harbaum.org>
L: linux-i2c@vger.kernel.org
@@ -3704,7 +3761,7 @@
F: drivers/platform/x86/ideapad-laptop.c
IDE/ATAPI DRIVERS
-M: Borislav Petkov <petkovbb@gmail.com>
+M: Borislav Petkov <bp@alien8.de>
L: linux-ide@vger.kernel.org
S: Maintained
F: Documentation/cdrom/ide-cd
@@ -4231,8 +4288,8 @@
F: include/linux/sunrpc/
KERNEL VIRTUAL MACHINE (KVM)
-M: Avi Kivity <avi@redhat.com>
M: Marcelo Tosatti <mtosatti@redhat.com>
+M: Gleb Natapov <gleb@redhat.com>
L: kvm@vger.kernel.org
W: http://kvm.qumranet.com
S: Supported
@@ -5364,7 +5421,7 @@
F: sound/drivers/opl4/
OPROFILE
-M: Robert Richter <robert.richter@amd.com>
+M: Robert Richter <rric@kernel.org>
L: oprofile-list@lists.sf.net
S: Maintained
F: arch/*/include/asm/oprofile*.h
@@ -7210,6 +7267,14 @@
S: Maintained
F: arch/xtensa/
+THERMAL
+M: Zhang Rui <rui.zhang@intel.com>
+L: linux-pm@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git
+S: Supported
+F: drivers/thermal/
+F: include/linux/thermal.h
+
THINKPAD ACPI EXTRAS DRIVER
M: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br>
L: ibm-acpi-devel@lists.sourceforge.net
@@ -7887,13 +7952,6 @@
S: Maintained
F: drivers/net/ethernet/via/via-rhine.c
-VIAPRO SMBUS DRIVER
-M: Jean Delvare <khali@linux-fr.org>
-L: linux-i2c@vger.kernel.org
-S: Maintained
-F: Documentation/i2c/busses/i2c-viapro
-F: drivers/i2c/busses/i2c-viapro.c
-
VIA SD/MMC CARD CONTROLLER DRIVER
M: Bruce Chang <brucechang@via.com.tw>
M: Harald Welte <HaraldWelte@viatech.com>
@@ -8148,7 +8206,7 @@
X86 MCE INFRASTRUCTURE
M: Tony Luck <tony.luck@intel.com>
-M: Borislav Petkov <bp@amd64.org>
+M: Borislav Petkov <bp@alien8.de>
L: linux-edac@vger.kernel.org
S: Maintained
F: arch/x86/kernel/cpu/mcheck/*
diff --git a/Makefile b/Makefile
index 6edac73..3d2fc46 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 7
SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc7
NAME = Terrified Chipmunk
# *DOCUMENTATION*
diff --git a/arch/Kconfig b/arch/Kconfig
index 366ec06..8d698fb 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -341,4 +341,18 @@
Modules only use ELF REL relocations. Modules with ELF RELA
relocations will give an error.
+#
+# ABI hall of shame
+#
+config CLONE_BACKWARDS
+ bool
+ help
+ Architecture has tls passed as the 4th argument of clone(2),
+ not the 5th one.
+
+config CLONE_BACKWARDS2
+ bool
+ help
+ Architecture has the first two arguments of clone(2) swapped.
+
source "kernel/gcov/Kconfig"
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S
index a760783..c245de6 100644
--- a/arch/alpha/kernel/entry.S
+++ b/arch/alpha/kernel/entry.S
@@ -617,7 +617,6 @@
.ent sys_fork
sys_fork:
.prologue 0
- mov $sp, $21
bsr $1, do_switch_stack
bis $31, SIGCHLD, $16
mov $31, $17
@@ -625,7 +624,9 @@
mov $31, $19
mov $31, $20
jsr $26, alpha_clone
- bsr $1, undo_switch_stack
+fork_out:
+ ldq $26, 56($sp)
+ lda $sp, SWITCH_STACK_SIZE($sp)
ret
.end sys_fork
@@ -634,12 +635,10 @@
.ent sys_clone
sys_clone:
.prologue 0
- mov $sp, $21
bsr $1, do_switch_stack
/* $16, $17, $18, $19, $20 come from the user. */
- jsr $26, alpha_clone
- bsr $1, undo_switch_stack
- ret
+ lda $26, fork_out
+ jsr $31, alpha_clone
.end sys_clone
.align 4
@@ -647,11 +646,9 @@
.ent sys_vfork
sys_vfork:
.prologue 0
- mov $sp, $16
bsr $1, do_switch_stack
- jsr $26, alpha_vfork
- bsr $1, undo_switch_stack
- ret
+ lda $26, fork_out
+ jsr $31, alpha_vfork
.end sys_vfork
.align 4
@@ -661,8 +658,6 @@
.prologue 0
lda $9, ret_from_straced
cmpult $26, $9, $9
- mov $sp, $17
- lda $18, -SWITCH_STACK_SIZE($sp)
lda $sp, -SWITCH_STACK_SIZE($sp)
jsr $26, do_sigreturn
bne $9, 1f
@@ -678,8 +673,6 @@
.prologue 0
lda $9, ret_from_straced
cmpult $26, $9, $9
- mov $sp, $17
- lda $18, -SWITCH_STACK_SIZE($sp)
lda $sp, -SWITCH_STACK_SIZE($sp)
jsr $26, do_rt_sigreturn
bne $9, 1f
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 1e6956a..14db93e 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -445,7 +445,7 @@
* unhappy with OSF UFS. [CHECKME]
*/
static int
-osf_ufs_mount(char *dirname, struct ufs_args __user *args, int flags)
+osf_ufs_mount(const char *dirname, struct ufs_args __user *args, int flags)
{
int retval;
struct cdfs_args tmp;
@@ -465,7 +465,7 @@
}
static int
-osf_cdfs_mount(char *dirname, struct cdfs_args __user *args, int flags)
+osf_cdfs_mount(const char *dirname, struct cdfs_args __user *args, int flags)
{
int retval;
struct cdfs_args tmp;
@@ -485,7 +485,7 @@
}
static int
-osf_procfs_mount(char *dirname, struct procfs_args __user *args, int flags)
+osf_procfs_mount(const char *dirname, struct procfs_args __user *args, int flags)
{
struct procfs_args tmp;
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 51987dc..a4dc79ba 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -246,19 +246,17 @@
int
alpha_clone(unsigned long clone_flags, unsigned long usp,
int __user *parent_tid, int __user *child_tid,
- unsigned long tls_value, struct pt_regs *regs)
+ unsigned long tls_value)
{
- if (!usp)
- usp = rdusp();
-
- return do_fork(clone_flags, usp, regs, 0, parent_tid, child_tid);
+ return do_fork(clone_flags, usp, current_pt_regs(), 0,
+ parent_tid, child_tid);
}
int
-alpha_vfork(struct pt_regs *regs)
+alpha_vfork(void)
{
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(),
- regs, 0, NULL, NULL);
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0,
+ current_pt_regs(), 0, NULL, NULL);
}
/*
@@ -268,18 +266,22 @@
int
copy_thread(unsigned long clone_flags, unsigned long usp,
unsigned long arg,
- struct task_struct * p, struct pt_regs * regs)
+ struct task_struct *p, struct pt_regs *wontuse)
{
extern void ret_from_fork(void);
extern void ret_from_kernel_thread(void);
struct thread_info *childti = task_thread_info(p);
struct pt_regs *childregs = task_pt_regs(p);
+ struct pt_regs *regs = current_pt_regs();
struct switch_stack *childstack, *stack;
unsigned long settls;
childstack = ((struct switch_stack *) childregs) - 1;
- if (unlikely(!regs)) {
+ childti->pcb.ksp = (unsigned long) childstack;
+ childti->pcb.flags = 1; /* set FEN, clear everything else */
+
+ if (unlikely(p->flags & PF_KTHREAD)) {
/* kernel thread */
memset(childstack, 0,
sizeof(struct switch_stack) + sizeof(struct pt_regs));
@@ -288,12 +290,17 @@
childstack->r10 = arg;
childregs->hae = alpha_mv.hae_cache,
childti->pcb.usp = 0;
- childti->pcb.ksp = (unsigned long) childstack;
- childti->pcb.flags = 1; /* set FEN, clear everything else */
return 0;
}
+ /* Note: if CLONE_SETTLS is not set, then we must inherit the
+ value from the parent, which will have been set by the block
+ copy in dup_task_struct. This is non-intuitive, but is
+ required for proper operation in the case of a threaded
+ application calling fork. */
+ if (clone_flags & CLONE_SETTLS)
+ childti->pcb.unique = regs->r20;
+ childti->pcb.usp = usp ?: rdusp();
*childregs = *regs;
- settls = regs->r20;
childregs->r0 = 0;
childregs->r19 = 0;
childregs->r20 = 1; /* OSF/1 has some strange fork() semantics. */
@@ -301,22 +308,6 @@
stack = ((struct switch_stack *) regs) - 1;
*childstack = *stack;
childstack->r26 = (unsigned long) ret_from_fork;
- childti->pcb.usp = usp;
- childti->pcb.ksp = (unsigned long) childstack;
- childti->pcb.flags = 1; /* set FEN, clear everything else */
-
- /* Set a new TLS for the child thread? Peek back into the
- syscall arguments that we saved on syscall entry. Oops,
- except we'd have clobbered it with the parent/child set
- of r20. Read the saved copy. */
- /* Note: if CLONE_SETTLS is not set, then we must inherit the
- value from the parent, which will have been set by the block
- copy in dup_task_struct. This is non-intuitive, but is
- required for proper operation in the case of a threaded
- application calling fork. */
- if (clone_flags & CLONE_SETTLS)
- childti->pcb.unique = settls;
-
return 0;
}
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 32575f8..336393c 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -160,10 +160,10 @@
#define INSN_CALLSYS 0x00000083
static long
-restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs,
- struct switch_stack *sw)
+restore_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs)
{
unsigned long usp;
+ struct switch_stack *sw = (struct switch_stack *)regs - 1;
long i, err = __get_user(regs->pc, &sc->sc_pc);
current_thread_info()->restart_block.fn = do_no_restart_syscall;
@@ -215,9 +215,9 @@
registers and transfer control from userland. */
asmlinkage void
-do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs,
- struct switch_stack *sw)
+do_sigreturn(struct sigcontext __user *sc)
{
+ struct pt_regs *regs = current_pt_regs();
sigset_t set;
/* Verify that it's a good sigcontext before using it */
@@ -228,7 +228,7 @@
set_current_blocked(&set);
- if (restore_sigcontext(sc, regs, sw))
+ if (restore_sigcontext(sc, regs))
goto give_sigsegv;
/* Send SIGTRAP if we're single-stepping: */
@@ -249,9 +249,9 @@
}
asmlinkage void
-do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs,
- struct switch_stack *sw)
+do_rt_sigreturn(struct rt_sigframe __user *frame)
{
+ struct pt_regs *regs = current_pt_regs();
sigset_t set;
/* Verify that it's a good ucontext_t before using it */
@@ -262,7 +262,7 @@
set_current_blocked(&set);
- if (restore_sigcontext(&frame->uc.uc_mcontext, regs, sw))
+ if (restore_sigcontext(&frame->uc.uc_mcontext, regs))
goto give_sigsegv;
/* Send SIGTRAP if we're single-stepping: */
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index f2aa09e..9137df5 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -33,7 +33,7 @@
$(obj)/xipImage: vmlinux FORCE
$(call if_changed,objcopy)
- $(kecho) ' Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
+ @$(kecho) ' Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))'
$(obj)/Image $(obj)/zImage: FORCE
@echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)'
@@ -48,14 +48,14 @@
$(obj)/Image: vmlinux FORCE
$(call if_changed,objcopy)
- $(kecho) ' Kernel: $@ is ready'
+ @$(kecho) ' Kernel: $@ is ready'
$(obj)/compressed/vmlinux: $(obj)/Image FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$(call if_changed,objcopy)
- $(kecho) ' Kernel: $@ is ready'
+ @$(kecho) ' Kernel: $@ is ready'
endif
@@ -90,7 +90,7 @@
$(obj)/uImage: $(obj)/zImage FORCE
@$(check_for_multiple_loadaddr)
$(call if_changed,uimage)
- $(kecho) ' Image $@ is ready'
+ @$(kecho) ' Image $@ is ready'
$(obj)/bootp/bootp: $(obj)/zImage initrd FORCE
$(Q)$(MAKE) $(build)=$(obj)/bootp $@
@@ -98,7 +98,7 @@
$(obj)/bootpImage: $(obj)/bootp/bootp FORCE
$(call if_changed,objcopy)
- $(kecho) ' Kernel: $@ is ready'
+ @$(kecho) ' Kernel: $@ is ready'
PHONY += initrd FORCE
initrd:
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index b1497c7..df7f227 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -73,8 +73,8 @@
pinmux: pinmux {
compatible = "nvidia,tegra30-pinmux";
- reg = <0x70000868 0xd0 /* Pad control registers */
- 0x70003000 0x3e0>; /* Mux registers */
+ reg = <0x70000868 0xd4 /* Pad control registers */
+ 0x70003000 0x3e4>; /* Mux registers */
};
serial@70006000 {
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c
index 1e122bc..3cee0e6 100644
--- a/arch/arm/mach-at91/at91rm9200_devices.c
+++ b/arch/arm/mach-at91/at91rm9200_devices.c
@@ -68,7 +68,7 @@
/* Enable overcurrent notification */
for (i = 0; i < data->ports; i++) {
- if (data->overcurrent_pin[i])
+ if (gpio_is_valid(data->overcurrent_pin[i]))
at91_set_gpio_input(data->overcurrent_pin[i], 1);
}
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c
index aa1e587..414bd85 100644
--- a/arch/arm/mach-at91/at91sam9260_devices.c
+++ b/arch/arm/mach-at91/at91sam9260_devices.c
@@ -72,7 +72,7 @@
/* Enable overcurrent notification */
for (i = 0; i < data->ports; i++) {
- if (data->overcurrent_pin[i])
+ if (gpio_is_valid(data->overcurrent_pin[i]))
at91_set_gpio_input(data->overcurrent_pin[i], 1);
}
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index b948769..cd604aa 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -72,7 +72,7 @@
/* Enable overcurrent notification */
for (i = 0; i < data->ports; i++) {
- if (data->overcurrent_pin[i])
+ if (gpio_is_valid(data->overcurrent_pin[i]))
at91_set_gpio_input(data->overcurrent_pin[i], 1);
}
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index cb85da2..9c61e59 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -78,7 +78,7 @@
/* Enable overcurrent notification */
for (i = 0; i < data->ports; i++) {
- if (data->overcurrent_pin[i])
+ if (gpio_is_valid(data->overcurrent_pin[i]))
at91_set_gpio_input(data->overcurrent_pin[i], 1);
}
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index b159607..fcd233c 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -1841,8 +1841,8 @@
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9G45_ID_AESTDESSHA,
- .end = AT91SAM9G45_ID_AESTDESSHA,
+ .start = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA,
+ .end = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA,
.flags = IORESOURCE_IRQ,
},
};
@@ -1874,8 +1874,8 @@
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9G45_ID_AESTDESSHA,
- .end = AT91SAM9G45_ID_AESTDESSHA,
+ .start = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA,
+ .end = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA,
.flags = IORESOURCE_IRQ,
},
};
@@ -1910,8 +1910,8 @@
.flags = IORESOURCE_MEM,
},
[1] = {
- .start = AT91SAM9G45_ID_AESTDESSHA,
- .end = AT91SAM9G45_ID_AESTDESSHA,
+ .start = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA,
+ .end = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA,
.flags = IORESOURCE_IRQ,
},
};
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index cd0c8b1..14e9947 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -713,8 +713,7 @@
break;
case VPBE_ENC_CUSTOM_TIMINGS:
if (pclock <= 27000000) {
- v |= DM644X_VPSS_MUXSEL_PLL2_MODE |
- DM644X_VPSS_DACCLKEN;
+ v |= DM644X_VPSS_DACCLKEN;
writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
} else {
/*
diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c
index 21d568b..87e07d6 100644
--- a/arch/arm/mach-exynos/dma.c
+++ b/arch/arm/mach-exynos/dma.c
@@ -275,6 +275,9 @@
exynos_pdma1_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4210_pdma1_peri);
exynos_pdma1_pdata.peri_id = exynos4210_pdma1_peri;
+
+ if (samsung_rev() == EXYNOS4210_REV_0)
+ exynos_mdma1_device.res.start = EXYNOS4_PA_S_MDMA1;
} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
exynos_pdma0_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4212_pdma0_peri);
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index 8480849..ed4da45 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -90,6 +90,7 @@
#define EXYNOS4_PA_MDMA0 0x10810000
#define EXYNOS4_PA_MDMA1 0x12850000
+#define EXYNOS4_PA_S_MDMA1 0x12840000
#define EXYNOS4_PA_PDMA0 0x12680000
#define EXYNOS4_PA_PDMA1 0x12690000
#define EXYNOS5_PA_MDMA0 0x10800000
diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c
index 82c27230..86e37cd 100644
--- a/arch/arm/mach-highbank/system.c
+++ b/arch/arm/mach-highbank/system.c
@@ -28,6 +28,7 @@
hignbank_set_pwr_soft_reset();
scu_power_mode(scu_base_addr, SCU_PM_POWEROFF);
- cpu_do_idle();
+ while (1)
+ cpu_do_idle();
}
diff --git a/arch/arm/mach-imx/clk-gate2.c b/arch/arm/mach-imx/clk-gate2.c
index 3c1b8ff..cc49c7a 100644
--- a/arch/arm/mach-imx/clk-gate2.c
+++ b/arch/arm/mach-imx/clk-gate2.c
@@ -112,7 +112,7 @@
clk = clk_register(dev, &gate->hw);
if (IS_ERR(clk))
- kfree(clk);
+ kfree(gate);
return clk;
}
diff --git a/arch/arm/mach-imx/ehci-imx25.c b/arch/arm/mach-imx/ehci-imx25.c
index 412c583..576af74 100644
--- a/arch/arm/mach-imx/ehci-imx25.c
+++ b/arch/arm/mach-imx/ehci-imx25.c
@@ -30,7 +30,7 @@
#define MX25_H1_SIC_SHIFT 21
#define MX25_H1_SIC_MASK (0x3 << MX25_H1_SIC_SHIFT)
#define MX25_H1_PP_BIT (1 << 18)
-#define MX25_H1_PM_BIT (1 << 8)
+#define MX25_H1_PM_BIT (1 << 16)
#define MX25_H1_IPPUE_UP_BIT (1 << 7)
#define MX25_H1_IPPUE_DOWN_BIT (1 << 6)
#define MX25_H1_TLL_BIT (1 << 5)
diff --git a/arch/arm/mach-imx/ehci-imx35.c b/arch/arm/mach-imx/ehci-imx35.c
index 779e16e..2933978 100644
--- a/arch/arm/mach-imx/ehci-imx35.c
+++ b/arch/arm/mach-imx/ehci-imx35.c
@@ -30,7 +30,7 @@
#define MX35_H1_SIC_SHIFT 21
#define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT)
#define MX35_H1_PP_BIT (1 << 18)
-#define MX35_H1_PM_BIT (1 << 8)
+#define MX35_H1_PM_BIT (1 << 16)
#define MX35_H1_IPPUE_UP_BIT (1 << 7)
#define MX35_H1_IPPUE_DOWN_BIT (1 << 6)
#define MX35_H1_TLL_BIT (1 << 5)
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 48d5e41..3785906 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -580,6 +580,11 @@
} else
return;
+ /* Make sure that the GPIO pins are muxed correctly */
+ omap_mux_init_gpio(igep_wlan_bt_gpios[0].gpio, OMAP_PIN_OUTPUT);
+ omap_mux_init_gpio(igep_wlan_bt_gpios[1].gpio, OMAP_PIN_OUTPUT);
+ omap_mux_init_gpio(igep_wlan_bt_gpios[2].gpio, OMAP_PIN_OUTPUT);
+
err = gpio_request_array(igep_wlan_bt_gpios,
ARRAY_SIZE(igep_wlan_bt_gpios));
if (err) {
diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c
index b56d06b..95192a06 100644
--- a/arch/arm/mach-omap2/clockdomains44xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains44xx_data.c
@@ -359,7 +359,7 @@
.clkdm_offs = OMAP4430_CM2_CAM_CAM_CDOFFS,
.wkdep_srcs = iss_wkup_sleep_deps,
.sleepdep_srcs = iss_wkup_sleep_deps,
- .flags = CLKDM_CAN_HWSUP_SWSUP,
+ .flags = CLKDM_CAN_SWSUP,
};
static struct clockdomain l3_dss_44xx_clkdm = {
diff --git a/arch/arm/mach-omap2/common-board-devices.c b/arch/arm/mach-omap2/common-board-devices.c
index 48daac2..84551f2 100644
--- a/arch/arm/mach-omap2/common-board-devices.c
+++ b/arch/arm/mach-omap2/common-board-devices.c
@@ -64,30 +64,36 @@
struct spi_board_info *spi_bi = &ads7846_spi_board_info;
int err;
- err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
- if (err) {
- pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
- return;
- }
+ /*
+ * If a board defines get_pendown_state() function, request the pendown
+ * GPIO and set the GPIO debounce time.
+ * If a board does not define the get_pendown_state() function, then
+ * the ads7846 driver will setup the pendown GPIO itself.
+ */
+ if (board_pdata && board_pdata->get_pendown_state) {
+ err = gpio_request_one(gpio_pendown, GPIOF_IN, "TSPenDown");
+ if (err) {
+ pr_err("Couldn't obtain gpio for TSPenDown: %d\n", err);
+ return;
+ }
- if (gpio_debounce)
- gpio_set_debounce(gpio_pendown, gpio_debounce);
+ if (gpio_debounce)
+ gpio_set_debounce(gpio_pendown, gpio_debounce);
+
+ gpio_export(gpio_pendown, 0);
+ }
spi_bi->bus_num = bus_num;
spi_bi->irq = gpio_to_irq(gpio_pendown);
+ ads7846_config.gpio_pendown = gpio_pendown;
+
if (board_pdata) {
board_pdata->gpio_pendown = gpio_pendown;
+ board_pdata->gpio_pendown_debounce = gpio_debounce;
spi_bi->platform_data = board_pdata;
- if (board_pdata->get_pendown_state)
- gpio_export(gpio_pendown, 0);
- } else {
- ads7846_config.gpio_pendown = gpio_pendown;
}
- if (!board_pdata || (board_pdata && !board_pdata->get_pendown_state))
- gpio_free(gpio_pendown);
-
spi_register_board_info(&ads7846_spi_board_info, 1);
}
#else
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index cba60e05..c72b5a7 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -19,6 +19,7 @@
#include <linux/of.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/omap4-keypad.h>
+#include <linux/platform_data/omap_ocp2scp.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
@@ -613,6 +614,83 @@
static inline void omap_init_vout(void) {}
#endif
+#if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE)
+static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev)
+{
+ int cnt = 0;
+
+ while (ocp2scp_dev->drv_name != NULL) {
+ cnt++;
+ ocp2scp_dev++;
+ }
+
+ return cnt;
+}
+
+static void omap_init_ocp2scp(void)
+{
+ struct omap_hwmod *oh;
+ struct platform_device *pdev;
+ int bus_id = -1, dev_cnt = 0, i;
+ struct omap_ocp2scp_dev *ocp2scp_dev;
+ const char *oh_name, *name;
+ struct omap_ocp2scp_platform_data *pdata;
+
+ if (!cpu_is_omap44xx())
+ return;
+
+ oh_name = "ocp2scp_usb_phy";
+ name = "omap-ocp2scp";
+
+ oh = omap_hwmod_lookup(oh_name);
+ if (!oh) {
+ pr_err("%s: could not find omap_hwmod for %s\n", __func__,
+ oh_name);
+ return;
+ }
+
+ pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
+ if (!pdata) {
+ pr_err("%s: No memory for ocp2scp pdata\n", __func__);
+ return;
+ }
+
+ ocp2scp_dev = oh->dev_attr;
+ dev_cnt = count_ocp2scp_devices(ocp2scp_dev);
+
+ if (!dev_cnt) {
+ pr_err("%s: No devices connected to ocp2scp\n", __func__);
+ kfree(pdata);
+ return;
+ }
+
+ pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *)
+ * dev_cnt, GFP_KERNEL);
+ if (!pdata->devices) {
+ pr_err("%s: No memory for ocp2scp pdata devices\n", __func__);
+ kfree(pdata);
+ return;
+ }
+
+ for (i = 0; i < dev_cnt; i++, ocp2scp_dev++)
+ pdata->devices[i] = ocp2scp_dev;
+
+ pdata->dev_cnt = dev_cnt;
+
+ pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata), NULL,
+ 0, false);
+ if (IS_ERR(pdev)) {
+ pr_err("Could not build omap_device for %s %s\n",
+ name, oh_name);
+ kfree(pdata->devices);
+ kfree(pdata);
+ return;
+ }
+}
+#else
+static inline void omap_init_ocp2scp(void) { }
+#endif
+
/*-------------------------------------------------------------------------*/
static int __init omap2_init_devices(void)
@@ -640,6 +718,7 @@
omap_init_sham();
omap_init_aes();
omap_init_vout();
+ omap_init_ocp2scp();
return 0;
}
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index b969ab1..87cc6d0 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -422,6 +422,38 @@
}
/**
+ * _wait_softreset_complete - wait for an OCP softreset to complete
+ * @oh: struct omap_hwmod * to wait on
+ *
+ * Wait until the IP block represented by @oh reports that its OCP
+ * softreset is complete. This can be triggered by software (see
+ * _ocp_softreset()) or by hardware upon returning from off-mode (one
+ * example is HSMMC). Waits for up to MAX_MODULE_SOFTRESET_WAIT
+ * microseconds. Returns the number of microseconds waited.
+ */
+static int _wait_softreset_complete(struct omap_hwmod *oh)
+{
+ struct omap_hwmod_class_sysconfig *sysc;
+ u32 softrst_mask;
+ int c = 0;
+
+ sysc = oh->class->sysc;
+
+ if (sysc->sysc_flags & SYSS_HAS_RESET_STATUS)
+ omap_test_timeout((omap_hwmod_read(oh, sysc->syss_offs)
+ & SYSS_RESETDONE_MASK),
+ MAX_MODULE_SOFTRESET_WAIT, c);
+ else if (sysc->sysc_flags & SYSC_HAS_RESET_STATUS) {
+ softrst_mask = (0x1 << sysc->sysc_fields->srst_shift);
+ omap_test_timeout(!(omap_hwmod_read(oh, sysc->sysc_offs)
+ & softrst_mask),
+ MAX_MODULE_SOFTRESET_WAIT, c);
+ }
+
+ return c;
+}
+
+/**
* _set_dmadisable: set OCP_SYSCONFIG.DMADISABLE bit in @v
* @oh: struct omap_hwmod *
*
@@ -1282,6 +1314,18 @@
if (!oh->class->sysc)
return;
+ /*
+ * Wait until reset has completed, this is needed as the IP
+ * block is reset automatically by hardware in some cases
+ * (off-mode for example), and the drivers require the
+ * IP to be ready when they access it
+ */
+ if (oh->flags & HWMOD_CONTROL_OPT_CLKS_IN_RESET)
+ _enable_optional_clocks(oh);
+ _wait_softreset_complete(oh);
+ if (oh->flags & HWMOD_CONTROL_OPT_CLKS_IN_RESET)
+ _disable_optional_clocks(oh);
+
v = oh->_sysc_cache;
sf = oh->class->sysc->sysc_flags;
@@ -1804,7 +1848,7 @@
*/
static int _ocp_softreset(struct omap_hwmod *oh)
{
- u32 v, softrst_mask;
+ u32 v;
int c = 0;
int ret = 0;
@@ -1834,19 +1878,7 @@
if (oh->class->sysc->srst_udelay)
udelay(oh->class->sysc->srst_udelay);
- if (oh->class->sysc->sysc_flags & SYSS_HAS_RESET_STATUS)
- omap_test_timeout((omap_hwmod_read(oh,
- oh->class->sysc->syss_offs)
- & SYSS_RESETDONE_MASK),
- MAX_MODULE_SOFTRESET_WAIT, c);
- else if (oh->class->sysc->sysc_flags & SYSC_HAS_RESET_STATUS) {
- softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift);
- omap_test_timeout(!(omap_hwmod_read(oh,
- oh->class->sysc->sysc_offs)
- & softrst_mask),
- MAX_MODULE_SOFTRESET_WAIT, c);
- }
-
+ c = _wait_softreset_complete(oh);
if (c == MAX_MODULE_SOFTRESET_WAIT)
pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n",
oh->name, MAX_MODULE_SOFTRESET_WAIT);
@@ -2352,6 +2384,9 @@
if (oh->_state != _HWMOD_STATE_INITIALIZED)
return -EINVAL;
+ if (oh->flags & HWMOD_EXT_OPT_MAIN_CLK)
+ return -EPERM;
+
if (oh->rst_lines_cnt == 0) {
r = _enable(oh);
if (r) {
diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
index 652d028..0b1249e0 100644
--- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@@ -21,6 +21,7 @@
#include <linux/io.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/power/smartreflex.h>
+#include <linux/platform_data/omap_ocp2scp.h>
#include <plat/omap_hwmod.h>
#include <plat/i2c.h>
@@ -2125,6 +2126,14 @@
.name = "mcpdm",
.class = &omap44xx_mcpdm_hwmod_class,
.clkdm_name = "abe_clkdm",
+ /*
+ * It's suspected that the McPDM requires an off-chip main
+ * functional clock, controlled via I2C. This IP block is
+ * currently reset very early during boot, before I2C is
+ * available, so it doesn't seem that we have any choice in
+ * the kernel other than to avoid resetting it.
+ */
+ .flags = HWMOD_EXT_OPT_MAIN_CLK,
.mpu_irqs = omap44xx_mcpdm_irqs,
.sdma_reqs = omap44xx_mcpdm_sdma_reqs,
.main_clk = "mcpdm_fck",
@@ -2681,6 +2690,32 @@
.sysc = &omap44xx_ocp2scp_sysc,
};
+/* ocp2scp dev_attr */
+static struct resource omap44xx_usb_phy_and_pll_addrs[] = {
+ {
+ .name = "usb_phy",
+ .start = 0x4a0ad080,
+ .end = 0x4a0ae000,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ /* XXX: Remove this once control module driver is in place */
+ .name = "ctrl_dev",
+ .start = 0x4a002300,
+ .end = 0x4a002303,
+ .flags = IORESOURCE_MEM,
+ },
+ { }
+};
+
+static struct omap_ocp2scp_dev ocp2scp_dev_attr[] = {
+ {
+ .drv_name = "omap-usb2",
+ .res = omap44xx_usb_phy_and_pll_addrs,
+ },
+ { }
+};
+
/* ocp2scp_usb_phy */
static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = {
.name = "ocp2scp_usb_phy",
@@ -2694,6 +2729,7 @@
.modulemode = MODULEMODE_HWCTRL,
},
},
+ .dev_attr = ocp2scp_dev_attr,
};
/*
diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c
index 635e109..a256135 100644
--- a/arch/arm/mach-omap2/twl-common.c
+++ b/arch/arm/mach-omap2/twl-common.c
@@ -73,6 +73,7 @@
{
/* PMIC part*/
omap_mux_init_signal("sys_nirq1", OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE);
+ omap_mux_init_signal("fref_clk0_out.sys_drm_msecure", OMAP_PIN_OUTPUT);
omap_pmic_init(1, 400, pmic_type, 7 + OMAP44XX_IRQ_GIC_START, pmic_data);
/* Register additional devices on i2c1 bus if needed */
@@ -366,7 +367,7 @@
};
static struct regulator_consumer_supply omap4_vdd1_supply[] = {
- REGULATOR_SUPPLY("vcc", "mpu.0"),
+ REGULATOR_SUPPLY("vcc", "cpu0"),
};
static struct regulator_consumer_supply omap4_vdd2_supply[] = {
diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index 880249b..75878c3 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -264,7 +264,7 @@
if (initialized) {
if (voltdm->pmic->i2c_high_speed != i2c_high_speed)
- pr_warn("%s: I2C config for vdd_%s does not match other channels (%u).",
+ pr_warn("%s: I2C config for vdd_%s does not match other channels (%u).\n",
__func__, voltdm->name, i2c_high_speed);
return;
}
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index 5ecbd17..e2c6391 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -28,6 +28,7 @@
#include <linux/mfd/asic3.h>
#include <linux/mtd/physmap.h>
#include <linux/pda_power.h>
+#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/gpio-regulator.h>
@@ -556,7 +557,7 @@
*/
static struct platform_pwm_backlight_data backlight_data = {
- .pwm_id = 1,
+ .pwm_id = -1, /* Superseded by pwm_lookup */
.max_brightness = 200,
.dft_brightness = 100,
.pwm_period_ns = 30923,
@@ -571,6 +572,10 @@
},
};
+static struct pwm_lookup hx4700_pwm_lookup[] = {
+ PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL),
+};
+
/*
* USB "Transceiver"
*/
@@ -872,6 +877,7 @@
pxa_set_stuart_info(NULL);
platform_add_devices(devices, ARRAY_SIZE(devices));
+ pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup));
pxa_set_ficp_info(&ficp_info);
pxa27x_set_i2c_power_info(NULL);
diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c
index 438f02f..842596d 100644
--- a/arch/arm/mach-pxa/spitz_pm.c
+++ b/arch/arm/mach-pxa/spitz_pm.c
@@ -86,10 +86,7 @@
gpio_set_value(SPITZ_GPIO_LED_GREEN, on);
}
-static unsigned long gpio18_config[] = {
- GPIO18_RDY,
- GPIO18_GPIO,
-};
+static unsigned long gpio18_config = GPIO18_GPIO;
static void spitz_presuspend(void)
{
@@ -112,7 +109,7 @@
PGSR3 &= ~SPITZ_GPIO_G3_STROBE_BIT;
PGSR2 |= GPIO_bit(SPITZ_GPIO_KEY_STROBE0);
- pxa2xx_mfp_config(&gpio18_config[0], 1);
+ pxa2xx_mfp_config(&gpio18_config, 1);
gpio_request_one(18, GPIOF_OUT_INIT_HIGH, "Unknown");
gpio_free(18);
@@ -131,7 +128,6 @@
static void spitz_postsuspend(void)
{
- pxa2xx_mfp_config(&gpio18_config[1], 1);
}
static int spitz_should_wakeup(unsigned int resume_on_alarm)
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
index a5683a8..6013831 100644
--- a/arch/arm/plat-omap/i2c.c
+++ b/arch/arm/plat-omap/i2c.c
@@ -26,12 +26,14 @@
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
+#include <linux/i2c-omap.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/clk.h>
#include <mach/irqs.h>
#include <plat/i2c.h>
+#include <plat/omap-pm.h>
#include <plat/omap_device.h>
#define OMAP_I2C_SIZE 0x3f
@@ -127,6 +129,16 @@
#ifdef CONFIG_ARCH_OMAP2PLUS
+/*
+ * XXX This function is a temporary compatibility wrapper - only
+ * needed until the I2C driver can be converted to call
+ * omap_pm_set_max_dev_wakeup_lat() and handle a return code.
+ */
+static void omap_pm_set_max_mpu_wakeup_lat_compat(struct device *dev, long t)
+{
+ omap_pm_set_max_mpu_wakeup_lat(dev, t);
+}
+
static inline int omap2_i2c_add_bus(int bus_id)
{
int l;
@@ -158,6 +170,15 @@
dev_attr = (struct omap_i2c_dev_attr *)oh->dev_attr;
pdata->flags = dev_attr->flags;
+ /*
+ * When waiting for completion of a i2c transfer, we need to
+ * set a wake up latency constraint for the MPU. This is to
+ * ensure quick enough wakeup from idle, when transfer
+ * completes.
+ * Only omap3 has support for constraints
+ */
+ if (cpu_is_omap34xx())
+ pdata->set_mpu_wkup_lat = omap_pm_set_max_mpu_wakeup_lat_compat;
pdev = omap_device_build(name, bus_id, oh, pdata,
sizeof(struct omap_i2c_bus_platform_data),
NULL, 0, 0);
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index b3349f7..1db0294 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -443,6 +443,11 @@
* in order to complete the reset. Optional clocks will be disabled
* again after the reset.
* HWMOD_16BIT_REG: Module has 16bit registers
+ * HWMOD_EXT_OPT_MAIN_CLK: The only main functional clock source for
+ * this IP block comes from an off-chip source and is not always
+ * enabled. This prevents the hwmod code from being able to
+ * enable and reset the IP block early. XXX Eventually it should
+ * be possible to query the clock framework for this information.
*/
#define HWMOD_SWSUP_SIDLE (1 << 0)
#define HWMOD_SWSUP_MSTANDBY (1 << 1)
@@ -453,6 +458,7 @@
#define HWMOD_NO_IDLEST (1 << 6)
#define HWMOD_CONTROL_OPT_CLKS_IN_RESET (1 << 7)
#define HWMOD_16BIT_REG (1 << 8)
+#define HWMOD_EXT_OPT_MAIN_CLK (1 << 9)
/*
* omap_hwmod._int_flags definitions
diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile
index cd60a81..32d05c8 100644
--- a/arch/arm/tools/Makefile
+++ b/arch/arm/tools/Makefile
@@ -5,6 +5,6 @@
#
include/generated/mach-types.h: $(src)/gen-mach-types $(src)/mach-types
- $(kecho) ' Generating $@'
+ @$(kecho) ' Generating $@'
@mkdir -p $(dir $@)
$(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; }
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index 54f6116..d2f05a6 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -222,7 +222,7 @@
extern void __iounmap(volatile void __iomem *addr);
#define PROT_DEFAULT (PTE_TYPE_PAGE | PTE_AF | PTE_DIRTY)
-#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_XN | PTE_ATTRINDX(MT_DEVICE_nGnRE))
+#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_DEVICE_nGnRE))
#define PROT_NORMAL_NC (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL_NC))
#define ioremap(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE))
diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index 0f3b458..75fd13d 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -38,7 +38,8 @@
#define PMD_SECT_S (_AT(pmdval_t, 3) << 8)
#define PMD_SECT_AF (_AT(pmdval_t, 1) << 10)
#define PMD_SECT_NG (_AT(pmdval_t, 1) << 11)
-#define PMD_SECT_XN (_AT(pmdval_t, 1) << 54)
+#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 53)
+#define PMD_SECT_UXN (_AT(pmdval_t, 1) << 54)
/*
* AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers).
@@ -57,7 +58,8 @@
#define PTE_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */
#define PTE_AF (_AT(pteval_t, 1) << 10) /* Access Flag */
#define PTE_NG (_AT(pteval_t, 1) << 11) /* nG */
-#define PTE_XN (_AT(pteval_t, 1) << 54) /* XN */
+#define PTE_PXN (_AT(pteval_t, 1) << 53) /* Privileged XN */
+#define PTE_UXN (_AT(pteval_t, 1) << 54) /* User XN */
/*
* AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers).
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 8960239..14aba2d 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -62,23 +62,23 @@
#define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b))
-#define PAGE_NONE _MOD_PROT(pgprot_default, PTE_NG | PTE_XN | PTE_RDONLY)
-#define PAGE_SHARED _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_XN)
-#define PAGE_SHARED_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG)
-#define PAGE_COPY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_XN | PTE_RDONLY)
-#define PAGE_COPY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_RDONLY)
-#define PAGE_READONLY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_XN | PTE_RDONLY)
-#define PAGE_READONLY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_RDONLY)
-#define PAGE_KERNEL _MOD_PROT(pgprot_default, PTE_XN | PTE_DIRTY)
-#define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_default, PTE_DIRTY)
+#define PAGE_NONE _MOD_PROT(pgprot_default, PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
+#define PAGE_SHARED _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
+#define PAGE_SHARED_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN)
+#define PAGE_COPY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
+#define PAGE_COPY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY)
+#define PAGE_READONLY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
+#define PAGE_READONLY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY)
+#define PAGE_KERNEL _MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY)
+#define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY)
-#define __PAGE_NONE __pgprot(_PAGE_DEFAULT | PTE_NG | PTE_XN | PTE_RDONLY)
-#define __PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_XN)
-#define __PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG)
-#define __PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_XN | PTE_RDONLY)
-#define __PAGE_COPY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_RDONLY)
-#define __PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_XN | PTE_RDONLY)
-#define __PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_RDONLY)
+#define __PAGE_NONE __pgprot(_PAGE_DEFAULT | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
+#define __PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN)
+#define __PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN)
+#define __PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
+#define __PAGE_COPY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY)
+#define __PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY)
+#define __PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY)
#endif /* __ASSEMBLY__ */
@@ -130,10 +130,10 @@
#define pte_young(pte) (pte_val(pte) & PTE_AF)
#define pte_special(pte) (pte_val(pte) & PTE_SPECIAL)
#define pte_write(pte) (!(pte_val(pte) & PTE_RDONLY))
-#define pte_exec(pte) (!(pte_val(pte) & PTE_XN))
+#define pte_exec(pte) (!(pte_val(pte) & PTE_UXN))
#define pte_present_exec_user(pte) \
- ((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_XN)) == \
+ ((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_UXN)) == \
(PTE_VALID | PTE_USER))
#define PTE_BIT_FUNC(fn,op) \
@@ -262,7 +262,7 @@
static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
{
- const pteval_t mask = PTE_USER | PTE_XN | PTE_RDONLY;
+ const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY;
pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask);
return pte;
}
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 06e73bf..649aeb9 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -17,6 +17,8 @@
select GENERIC_CLOCKEVENTS
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
+ select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
help
AVR32 is a high-performance 32-bit RISC microprocessor core,
designed for cost-sensitive embedded applications, with particular
diff --git a/arch/avr32/include/asm/processor.h b/arch/avr32/include/asm/processor.h
index 87d8bac..48d71c5 100644
--- a/arch/avr32/include/asm/processor.h
+++ b/arch/avr32/include/asm/processor.h
@@ -142,9 +142,6 @@
/* Free all resources held by a thread */
extern void release_thread(struct task_struct *);
-/* Create a kernel thread without removing it from tasklists */
-extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
-
/* Return saved PC of a blocked thread */
#define thread_saved_pc(tsk) ((tsk)->thread.cpu_context.pc)
diff --git a/arch/avr32/include/asm/unistd.h b/arch/avr32/include/asm/unistd.h
index 157b4bd..641023d 100644
--- a/arch/avr32/include/asm/unistd.h
+++ b/arch/avr32/include/asm/unistd.h
@@ -39,6 +39,7 @@
#define __ARCH_WANT_SYS_GETPGRP
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
/*
* "Conditional" syscalls
diff --git a/arch/avr32/kernel/Makefile b/arch/avr32/kernel/Makefile
index 9e2c465..119a2e4 100644
--- a/arch/avr32/kernel/Makefile
+++ b/arch/avr32/kernel/Makefile
@@ -7,7 +7,7 @@
obj-$(CONFIG_SUBARCH_AVR32B) += entry-avr32b.o
obj-y += syscall_table.o syscall-stubs.o irq.o
obj-y += setup.o traps.o ocd.o ptrace.o
-obj-y += signal.o sys_avr32.o process.o time.o
+obj-y += signal.o process.o time.o
obj-y += switch_to.o cpu.o
obj-$(CONFIG_MODULES) += module.o avr32_ksyms.o
obj-$(CONFIG_KPROBES) += kprobes.o
diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S
index df28841..9899d3c 100644
--- a/arch/avr32/kernel/entry-avr32b.S
+++ b/arch/avr32/kernel/entry-avr32b.S
@@ -251,13 +251,15 @@
.global ret_from_fork
ret_from_fork:
call schedule_tail
+ mov r12, 0
+ rjmp syscall_return
- /* check for syscall tracing */
- get_thread_info r0
- ld.w r1, r0[TI_flags]
- andl r1, _TIF_ALLWORK_MASK, COH
- brne syscall_exit_work
- rjmp syscall_exit_cont
+ .global ret_from_kernel_thread
+ret_from_kernel_thread:
+ call schedule_tail
+ mov r12, r0
+ mov lr, r2 /* syscall_return */
+ mov pc, r1
syscall_trace_enter:
pushm r8-r12
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index 1bb0a8a..09b894d 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -69,44 +69,6 @@
}
/*
- * PC is actually discarded when returning from a system call -- the
- * return address must be stored in LR. This function will make sure
- * LR points to do_exit before starting the thread.
- *
- * Also, when returning from fork(), r12 is 0, so we must copy the
- * argument as well.
- *
- * r0 : The argument to the main thread function
- * r1 : The address of do_exit
- * r2 : The address of the main thread function
- */
-asmlinkage extern void kernel_thread_helper(void);
-__asm__(" .type kernel_thread_helper, @function\n"
- "kernel_thread_helper:\n"
- " mov r12, r0\n"
- " mov lr, r2\n"
- " mov pc, r1\n"
- " .size kernel_thread_helper, . - kernel_thread_helper");
-
-int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
-{
- struct pt_regs regs;
-
- memset(®s, 0, sizeof(regs));
-
- regs.r0 = (unsigned long)arg;
- regs.r1 = (unsigned long)fn;
- regs.r2 = (unsigned long)do_exit;
- regs.lr = (unsigned long)kernel_thread_helper;
- regs.pc = (unsigned long)kernel_thread_helper;
- regs.sr = MODE_SUPERVISOR;
-
- return do_fork(flags | CLONE_VM | CLONE_UNTRACED,
- 0, ®s, 0, NULL, NULL);
-}
-EXPORT_SYMBOL(kernel_thread);
-
-/*
* Free current thread data structures etc
*/
void exit_thread(void)
@@ -332,26 +294,31 @@
}
asmlinkage void ret_from_fork(void);
+asmlinkage void ret_from_kernel_thread(void);
+asmlinkage void syscall_return(void);
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long unused,
+ unsigned long arg,
struct task_struct *p, struct pt_regs *regs)
{
- struct pt_regs *childregs;
+ struct pt_regs *childregs = task_pt_regs(p);
- childregs = ((struct pt_regs *)(THREAD_SIZE + (unsigned long)task_stack_page(p))) - 1;
- *childregs = *regs;
-
- if (user_mode(regs))
+ if (unlikely(!regs)) {
+ memset(childregs, 0, sizeof(struct pt_regs));
+ p->thread.cpu_context.r0 = arg;
+ p->thread.cpu_context.r1 = usp; /* fn */
+ p->thread.cpu_context.r2 = syscall_return;
+ p->thread.cpu_context.pc = (unsigned long)ret_from_kernel_thread;
+ childregs->sr = MODE_SUPERVISOR;
+ } else {
+ *childregs = *regs;
childregs->sp = usp;
- else
- childregs->sp = (unsigned long)task_stack_page(p) + THREAD_SIZE;
-
- childregs->r12 = 0; /* Set return value for child */
+ childregs->r12 = 0; /* Set return value for child */
+ p->thread.cpu_context.pc = (unsigned long)ret_from_fork;
+ }
p->thread.cpu_context.sr = MODE_SUPERVISOR | SR_GM;
p->thread.cpu_context.ksp = (unsigned long)childregs;
- p->thread.cpu_context.pc = (unsigned long)ret_from_fork;
clear_tsk_thread_flag(p, TIF_DEBUG);
if ((clone_flags & CLONE_PTRACE) && test_thread_flag(TIF_DEBUG))
@@ -382,27 +349,6 @@
0, NULL, NULL);
}
-asmlinkage int sys_execve(const char __user *ufilename,
- const char __user *const __user *uargv,
- const char __user *const __user *uenvp,
- struct pt_regs *regs)
-{
- int error;
- struct filename *filename;
-
- filename = getname(ufilename);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
-
- error = do_execve(filename->name, uargv, uenvp, regs);
- putname(filename);
-
-out:
- return error;
-}
-
-
/*
* This function is supposed to answer the question "who called
* schedule()?"
diff --git a/arch/avr32/kernel/sys_avr32.c b/arch/avr32/kernel/sys_avr32.c
deleted file mode 100644
index 62635a0..0000000
--- a/arch/avr32/kernel/sys_avr32.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2004-2006 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/unistd.h>
-
-int kernel_execve(const char *file,
- const char *const *argv,
- const char *const *envp)
-{
- register long scno asm("r8") = __NR_execve;
- register long sc1 asm("r12") = (long)file;
- register long sc2 asm("r11") = (long)argv;
- register long sc3 asm("r10") = (long)envp;
-
- asm volatile("scall"
- : "=r"(sc1)
- : "r"(scno), "0"(sc1), "r"(sc2), "r"(sc3)
- : "cc", "memory");
- return sc1;
-}
diff --git a/arch/avr32/kernel/syscall-stubs.S b/arch/avr32/kernel/syscall-stubs.S
index 0447a3e..285a61b 100644
--- a/arch/avr32/kernel/syscall-stubs.S
+++ b/arch/avr32/kernel/syscall-stubs.S
@@ -50,12 +50,6 @@
mov r12, sp
rjmp sys_vfork
- .global __sys_execve
- .type __sys_execve,@function
-__sys_execve:
- mov r9, sp
- rjmp sys_execve
-
.global __sys_mmap2
.type __sys_mmap2,@function
__sys_mmap2:
diff --git a/arch/avr32/kernel/syscall_table.S b/arch/avr32/kernel/syscall_table.S
index 6eba535..fc64977 100644
--- a/arch/avr32/kernel/syscall_table.S
+++ b/arch/avr32/kernel/syscall_table.S
@@ -24,7 +24,7 @@
.long sys_creat
.long sys_link
.long sys_unlink /* 10 */
- .long __sys_execve
+ .long sys_execve
.long sys_chdir
.long sys_time
.long sys_mknod
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index b6f3ad5..ab9ff40 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -45,6 +45,8 @@
select ARCH_USES_GETTIMEOFFSET if !GENERIC_CLOCKEVENTS
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
+ select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
config GENERIC_CSUM
def_bool y
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h
index 4ef7cfe..d0e72e9 100644
--- a/arch/blackfin/include/asm/processor.h
+++ b/arch/blackfin/include/asm/processor.h
@@ -75,8 +75,6 @@
{
}
-extern int kernel_thread(int (*fn) (void *), void *arg, unsigned long flags);
-
/*
* Free current thread data structures etc..
*/
diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h
index 5b2a074..b4ec1bb 100644
--- a/arch/blackfin/include/asm/unistd.h
+++ b/arch/blackfin/include/asm/unistd.h
@@ -446,6 +446,7 @@
#define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
/*
* "Conditional" syscalls
diff --git a/arch/blackfin/kernel/entry.S b/arch/blackfin/kernel/entry.S
index f33792c..78f4f63 100644
--- a/arch/blackfin/kernel/entry.S
+++ b/arch/blackfin/kernel/entry.S
@@ -46,22 +46,16 @@
SP += -12;
pseudo_long_call _schedule_tail, p5;
SP += 12;
- r0 = [sp + PT_IPEND];
- cc = bittst(r0,1);
- if cc jump .Lin_kernel;
+ p1 = [sp++];
+ r0 = [sp++];
+ cc = p1 == 0;
+ if cc jump .Lfork;
+ sp += -12;
+ call (p1);
+ sp += 12;
+.Lfork:
RESTORE_CONTEXT
rti;
-.Lin_kernel:
- bitclr(r0,1);
- [sp + PT_IPEND] = r0;
- /* do a 'fake' RTI by jumping to [RETI]
- * to avoid clearing supervisor mode in child
- */
- r0 = [sp + PT_PC];
- [sp + PT_P0] = r0;
-
- RESTORE_ALL_SYS
- jump (p0);
ENDPROC(_ret_from_fork)
ENTRY(_sys_vfork)
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index bb1cc72..da8df0e 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -102,40 +102,6 @@
}
/*
- * This gets run with P1 containing the
- * function to call, and R1 containing
- * the "args". Note P0 is clobbered on the way here.
- */
-void kernel_thread_helper(void);
-__asm__(".section .text\n"
- ".align 4\n"
- "_kernel_thread_helper:\n\t"
- "\tsp += -12;\n\t"
- "\tr0 = r1;\n\t" "\tcall (p1);\n\t" "\tcall _do_exit;\n" ".previous");
-
-/*
- * Create a kernel thread.
- */
-pid_t kernel_thread(int (*fn) (void *), void *arg, unsigned long flags)
-{
- struct pt_regs regs;
-
- memset(®s, 0, sizeof(regs));
-
- regs.r1 = (unsigned long)arg;
- regs.p1 = (unsigned long)fn;
- regs.pc = (unsigned long)kernel_thread_helper;
- regs.orig_p0 = -1;
- /* Set bit 2 to tell ret_from_fork we should be returning to kernel
- mode. */
- regs.ipend = 0x8002;
- __asm__ __volatile__("%0 = syscfg;":"=da"(regs.syscfg):);
- return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL,
- NULL);
-}
-EXPORT_SYMBOL(kernel_thread);
-
-/*
* Do necessary setup to start up a newly executed thread.
*
* pass the data segment into user programs if it exists,
@@ -193,38 +159,31 @@
struct task_struct *p, struct pt_regs *regs)
{
struct pt_regs *childregs;
+ unsigned long *v;
childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE) - 1;
- *childregs = *regs;
- childregs->r0 = 0;
+ v = ((unsigned long *)childregs) - 2;
+ if (unlikely(!regs)) {
+ memset(childregs, 0, sizeof(struct pt_regs));
+ v[0] = usp;
+ v[1] = topstk;
+ childregs->orig_p0 = -1;
+ childregs->ipend = 0x8000;
+ __asm__ __volatile__("%0 = syscfg;":"=da"(childregs->syscfg):);
+ p->thread.usp = 0;
+ } else {
+ *childregs = *regs;
+ childregs->r0 = 0;
+ p->thread.usp = usp;
+ v[0] = v[1] = 0;
+ }
- p->thread.usp = usp;
- p->thread.ksp = (unsigned long)childregs;
+ p->thread.ksp = (unsigned long)v;
p->thread.pc = (unsigned long)ret_from_fork;
return 0;
}
-/*
- * sys_execve() executes a new program.
- */
-asmlinkage int sys_execve(const char __user *name,
- const char __user *const __user *argv,
- const char __user *const __user *envp)
-{
- int error;
- struct filename *filename;
- struct pt_regs *regs = (struct pt_regs *)((&name) + 6);
-
- filename = getname(name);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- return error;
- error = do_execve(filename->name, argv, envp, regs);
- putname(filename);
- return error;
-}
-
unsigned long get_wchan(struct task_struct *p)
{
unsigned long fp, pc;
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 1c3d2c5..4a38c68 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -530,61 +530,6 @@
jump .Lsyscall_really_exit;
ENDPROC(_trap)
-ENTRY(_kernel_execve)
- link SIZEOF_PTREGS;
- p0 = sp;
- r3 = SIZEOF_PTREGS / 4;
- r4 = 0(x);
-.Lclear_regs:
- [p0++] = r4;
- r3 += -1;
- cc = r3 == 0;
- if !cc jump .Lclear_regs (bp);
-
- p0 = sp;
- sp += -16;
- [sp + 12] = p0;
- pseudo_long_call _do_execve, p5;
- SP += 16;
- cc = r0 == 0;
- if ! cc jump .Lexecve_failed;
- /* Success. Copy our temporary pt_regs to the top of the kernel
- * stack and do a normal exception return.
- */
- r1 = sp;
- r0 = (-KERNEL_STACK_SIZE) (x);
- r1 = r1 & r0;
- p2 = r1;
- p3 = [p2];
- r0 = KERNEL_STACK_SIZE - 4 (z);
- p1 = r0;
- p1 = p1 + p2;
-
- p0 = fp;
- r4 = [p0--];
- r3 = SIZEOF_PTREGS / 4;
-.Lcopy_regs:
- r4 = [p0--];
- [p1--] = r4;
- r3 += -1;
- cc = r3 == 0;
- if ! cc jump .Lcopy_regs (bp);
-
- r0 = (KERNEL_STACK_SIZE - SIZEOF_PTREGS) (z);
- p1 = r0;
- p1 = p1 + p2;
- sp = p1;
- r0 = syscfg;
- [SP + PT_SYSCFG] = r0;
- [p3 + (TASK_THREAD + THREAD_KSP)] = sp;
-
- RESTORE_CONTEXT;
- rti;
-.Lexecve_failed:
- unlink;
- rts;
-ENDPROC(_kernel_execve)
-
ENTRY(_system_call)
/* Store IPEND */
p2.l = lo(IPEND);
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index a672444..81b59d1 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -49,6 +49,8 @@
select GENERIC_SMP_IDLE_THREAD if ETRAX_ARCH_V32
select GENERIC_CMOS_UPDATE
select MODULES_USE_ELF_RELA
+ select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
config HZ
int
diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S
index 592fbe9..897bba6 100644
--- a/arch/cris/arch-v10/kernel/entry.S
+++ b/arch/cris/arch-v10/kernel/entry.S
@@ -35,6 +35,7 @@
.globl system_call
.globl ret_from_intr
.globl ret_from_fork
+ .globl ret_from_kernel_thread
.globl resume
.globl multiple_interrupt
.globl hwbreakpoint
@@ -81,7 +82,14 @@
jsr schedule_tail
ba ret_from_sys_call
nop
-
+
+ret_from_kernel_thread:
+ jsr schedule_tail
+ move.d $r2, $r10 ; argument is here
+ jsr $r1 ; call the payload
+ moveq 0, $r9 ; no syscall restarts, TYVM...
+ ba ret_from_sys_call
+
ret_from_intr:
;; check for resched if preemptive kernel or if we're going back to user-mode
;; this test matches the user_regs(regs) macro
@@ -586,13 +594,6 @@
ba do_sigtrap ; SIGTRAP the offending process.
pop $dccr ; Restore dccr in delay slot.
- .global kernel_execve
-kernel_execve:
- move.d __NR_execve, $r9
- break 13
- ret
- nop
-
.data
hw_bp_trigs:
diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c
index 15ac715..1d64582 100644
--- a/arch/cris/arch-v10/kernel/process.c
+++ b/arch/cris/arch-v10/kernel/process.c
@@ -17,6 +17,7 @@
#include <arch/svinto.h>
#include <linux/init.h>
#include <arch/system.h>
+#include <asm/ptrace.h>
#ifdef CONFIG_ETRAX_GPIO
void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */
@@ -81,31 +82,6 @@
return task_pt_regs(t)->irp;
}
-static void kernel_thread_helper(void* dummy, int (*fn)(void *), void * arg)
-{
- fn(arg);
- do_exit(-1); /* Should never be called, return bad exit value */
-}
-
-/*
- * Create a kernel thread
- */
-int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
- struct pt_regs regs;
-
- memset(®s, 0, sizeof(regs));
-
- /* Don't use r10 since that is set to 0 in copy_thread */
- regs.r11 = (unsigned long)fn;
- regs.r12 = (unsigned long)arg;
- regs.irp = (unsigned long)kernel_thread_helper;
- regs.dccr = 1 << I_DCCR_BITNR;
-
- /* Ok, create the new process.. */
- return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL);
-}
-
/* setup the child's kernel stack with a pt_regs and switch_stack on it.
* it will be un-nested during _resume and _ret_from_sys_call when the
* new thread is scheduled.
@@ -115,29 +91,35 @@
*
*/
asmlinkage void ret_from_fork(void);
+asmlinkage void ret_from_kernel_thread(void);
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long unused,
+ unsigned long arg,
struct task_struct *p, struct pt_regs *regs)
{
- struct pt_regs * childregs;
- struct switch_stack *swstack;
+ struct pt_regs *childregs = task_pt_regs(p);
+ struct switch_stack *swstack = ((struct switch_stack *)childregs) - 1;
/* put the pt_regs structure at the end of the new kernel stack page and fix it up
* remember that the task_struct doubles as the kernel stack for the task
*/
- childregs = task_pt_regs(p);
-
+ if (unlikely(p->flags & PF_KTHREAD)) {
+ memset(swstack, 0,
+ sizeof(struct switch_stack) + sizeof(struct pt_regs));
+ swstack->r1 = usp;
+ swstack->r2 = arg;
+ childregs->dccr = 1 << I_DCCR_BITNR;
+ swstack->return_ip = (unsigned long) ret_from_kernel_thread;
+ p->thread.ksp = (unsigned long) swstack;
+ p->thread.usp = 0;
+ return 0;
+ }
*childregs = *regs; /* struct copy of pt_regs */
-
- p->set_child_tid = p->clear_child_tid = NULL;
childregs->r10 = 0; /* child returns 0 after a fork/clone */
-
- /* put the switch stack right below the pt_regs */
- swstack = ((struct switch_stack *)childregs) - 1;
+ /* put the switch stack right below the pt_regs */
swstack->r9 = 0; /* parameter to ret_from_sys_call, 0 == dont restart the syscall */
@@ -147,7 +129,7 @@
/* fix the user-mode stackpointer */
- p->thread.usp = usp;
+ p->thread.usp = usp;
/* and the kernel-mode one */
@@ -161,68 +143,28 @@
return 0;
}
-/*
- * Be aware of the "magic" 7th argument in the four system-calls below.
- * They need the latest stackframe, which is put as the 7th argument by
- * entry.S. The previous arguments are dummies or actually used, but need
- * to be defined to reach the 7th argument.
- *
- * N.B.: Another method to get the stackframe is to use current_regs(). But
- * it returns the latest stack-frame stacked when going from _user mode_ and
- * some of these (at least sys_clone) are called from kernel-mode sometimes
- * (for example during kernel_thread, above) and thus cannot use it. Thus,
- * to be sure not to get any surprises, we use the method for the other calls
- * as well.
- */
-
-asmlinkage int sys_fork(long r10, long r11, long r12, long r13, long mof, long srp,
- struct pt_regs *regs)
+asmlinkage int sys_fork(void)
{
- return do_fork(SIGCHLD, rdusp(), regs, 0, NULL, NULL);
+ return do_fork(SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL);
}
/* if newusp is 0, we just grab the old usp */
/* FIXME: Is parent_tid/child_tid really third/fourth argument? Update lib? */
asmlinkage int sys_clone(unsigned long newusp, unsigned long flags,
- int* parent_tid, int* child_tid, long mof, long srp,
- struct pt_regs *regs)
+ int* parent_tid, int* child_tid)
{
if (!newusp)
newusp = rdusp();
- return do_fork(flags, newusp, regs, 0, parent_tid, child_tid);
+ return do_fork(flags, newusp, current_pt_regs(), 0, parent_tid, child_tid);
}
/* vfork is a system call in i386 because of register-pressure - maybe
* we can remove it and handle it in libc but we put it here until then.
*/
-asmlinkage int sys_vfork(long r10, long r11, long r12, long r13, long mof, long srp,
- struct pt_regs *regs)
+asmlinkage int sys_vfork(void)
{
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), regs, 0, NULL, NULL);
-}
-
-/*
- * sys_execve() executes a new program.
- */
-asmlinkage int sys_execve(const char *fname,
- const char *const *argv,
- const char *const *envp,
- long r13, long mof, long srp,
- struct pt_regs *regs)
-{
- int error;
- struct filename *filename;
-
- filename = getname(fname);
- error = PTR_ERR(filename);
-
- if (IS_ERR(filename))
- goto out;
- error = do_execve(filename->name, argv, envp, regs);
- putname(filename);
- out:
- return error;
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL);
}
unsigned long get_wchan(struct task_struct *p)
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index c3ea4694..faa6441 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -31,6 +31,7 @@
.globl system_call
.globl ret_from_intr
.globl ret_from_fork
+ .globl ret_from_kernel_thread
.globl resume
.globl multiple_interrupt
.globl nmi_interrupt
@@ -84,6 +85,18 @@
nop
.size ret_from_fork, . - ret_from_fork
+ .type ret_from_kernel_thread,@function
+ret_from_kernel_thread:
+ jsr schedule_tail
+ nop
+ move.d $r2, $r10
+ jsr $r1
+ nop
+ moveq 0, $r9 ; no syscall restarts, TYVM...
+ ba ret_from_sys_call
+ nop
+ .size ret_from_kernel_thread, . - ret_from_kernel_thread
+
.type ret_from_intr,@function
ret_from_intr:
;; Check for resched if preemptive kernel, or if we're going back to
@@ -531,15 +544,6 @@
ba do_sigtrap ; SIGTRAP the offending process.
move.d [$sp+], $r0 ; Restore R0 in delay slot.
- .global kernel_execve
- .type kernel_execve,@function
-kernel_execve:
- move.d __NR_execve, $r9
- break 13
- ret
- nop
- .size kernel_execve, . - kernel_execve
-
.data
.section .rodata,"a"
diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c
index 4e99922..fe46540 100644
--- a/arch/cris/arch-v32/kernel/process.c
+++ b/arch/cris/arch-v32/kernel/process.c
@@ -16,6 +16,7 @@
#include <hwregs/reg_map.h>
#include <hwregs/timer_defs.h>
#include <hwregs/intr_vect_defs.h>
+#include <asm/ptrace.h>
extern void stop_watchdog(void);
@@ -94,31 +95,6 @@
return task_pt_regs(t)->erp;
}
-static void
-kernel_thread_helper(void* dummy, int (*fn)(void *), void * arg)
-{
- fn(arg);
- do_exit(-1); /* Should never be called, return bad exit value. */
-}
-
-/* Create a kernel thread. */
-int
-kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
- struct pt_regs regs;
-
- memset(®s, 0, sizeof(regs));
-
- /* Don't use r10 since that is set to 0 in copy_thread. */
- regs.r11 = (unsigned long) fn;
- regs.r12 = (unsigned long) arg;
- regs.erp = (unsigned long) kernel_thread_helper;
- regs.ccs = 1 << (I_CCS_BITNR + CCS_SHIFT);
-
- /* Create the new process. */
- return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL, NULL);
-}
-
/*
* Setup the child's kernel stack with a pt_regs and call switch_stack() on it.
* It will be unnested during _resume and _ret_from_sys_call when the new thread
@@ -129,23 +105,33 @@
*/
extern asmlinkage void ret_from_fork(void);
+extern asmlinkage void ret_from_kernel_thread(void);
int
copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long unused,
+ unsigned long arg,
struct task_struct *p, struct pt_regs *regs)
{
- struct pt_regs *childregs;
- struct switch_stack *swstack;
+ struct pt_regs *childregs = task_pt_regs(p);
+ struct switch_stack *swstack = ((struct switch_stack *) childregs) - 1;
/*
* Put the pt_regs structure at the end of the new kernel stack page and
* fix it up. Note: the task_struct doubles as the kernel stack for the
* task.
*/
- childregs = task_pt_regs(p);
+ if (unlikely(p->flags & PF_KTHREAD)) {
+ memset(swstack, 0,
+ sizeof(struct switch_stack) + sizeof(struct pt_regs));
+ swstack->r1 = usp;
+ swstack->r2 = arg;
+ childregs->ccs = 1 << (I_CCS_BITNR + CCS_SHIFT);
+ swstack->return_ip = (unsigned long) ret_from_kernel_thread;
+ p->thread.ksp = (unsigned long) swstack;
+ p->thread.usp = 0;
+ return 0;
+ }
*childregs = *regs; /* Struct copy of pt_regs. */
- p->set_child_tid = p->clear_child_tid = NULL;
childregs->r10 = 0; /* Child returns 0 after a fork/clone. */
/* Set a new TLS ?
@@ -156,7 +142,6 @@
}
/* Put the switch stack right below the pt_regs. */
- swstack = ((struct switch_stack *) childregs) - 1;
/* Parameter to ret_from_sys_call. 0 is don't restart the syscall. */
swstack->r9 = 0;
@@ -174,35 +159,21 @@
return 0;
}
-/*
- * Be aware of the "magic" 7th argument in the four system-calls below.
- * They need the latest stackframe, which is put as the 7th argument by
- * entry.S. The previous arguments are dummies or actually used, but need
- * to be defined to reach the 7th argument.
- *
- * N.B.: Another method to get the stackframe is to use current_regs(). But
- * it returns the latest stack-frame stacked when going from _user mode_ and
- * some of these (at least sys_clone) are called from kernel-mode sometimes
- * (for example during kernel_thread, above) and thus cannot use it. Thus,
- * to be sure not to get any surprises, we use the method for the other calls
- * as well.
- */
asmlinkage int
-sys_fork(long r10, long r11, long r12, long r13, long mof, long srp,
- struct pt_regs *regs)
+sys_fork(void)
{
- return do_fork(SIGCHLD, rdusp(), regs, 0, NULL, NULL);
+ return do_fork(SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL);
}
/* FIXME: Is parent_tid/child_tid really third/fourth argument? Update lib? */
asmlinkage int
sys_clone(unsigned long newusp, unsigned long flags, int *parent_tid, int *child_tid,
- unsigned long tls, long srp, struct pt_regs *regs)
+ unsigned long tls)
{
if (!newusp)
newusp = rdusp();
- return do_fork(flags, newusp, regs, 0, parent_tid, child_tid);
+ return do_fork(flags, newusp, current_pt_regs(), 0, parent_tid, child_tid);
}
/*
@@ -210,32 +181,9 @@
* we can remove it and handle it in libc but we put it here until then.
*/
asmlinkage int
-sys_vfork(long r10, long r11, long r12, long r13, long mof, long srp,
- struct pt_regs *regs)
+sys_vfork(void)
{
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), regs, 0, NULL, NULL);
-}
-
-/* sys_execve() executes a new program. */
-asmlinkage int
-sys_execve(const char *fname,
- const char *const *argv,
- const char *const *envp, long r13, long mof, long srp,
- struct pt_regs *regs)
-{
- int error;
- struct filename *filename;
-
- filename = getname(fname);
- error = PTR_ERR(filename);
-
- if (IS_ERR(filename))
- goto out;
-
- error = do_execve(filename->name, argv, envp, regs);
- putname(filename);
- out:
- return error;
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL);
}
unsigned long
diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h
index ef4e1bc..675823f 100644
--- a/arch/cris/include/asm/processor.h
+++ b/arch/cris/include/asm/processor.h
@@ -49,8 +49,6 @@
#define task_pt_regs(task) user_regs(task_thread_info(task))
#define current_regs() task_pt_regs(current)
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
unsigned long get_wchan(struct task_struct *p);
#define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp)
diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h
index 51873a4..f181d1f 100644
--- a/arch/cris/include/asm/unistd.h
+++ b/arch/cris/include/asm/unistd.h
@@ -371,6 +371,7 @@
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
/*
* "Conditional" syscalls
diff --git a/arch/cris/kernel/crisksyms.c b/arch/cris/kernel/crisksyms.c
index 7ac000f..5868cee 100644
--- a/arch/cris/kernel/crisksyms.c
+++ b/arch/cris/kernel/crisksyms.c
@@ -30,7 +30,6 @@
extern void iounmap(volatile void * __iomem);
/* Platform dependent support */
-EXPORT_SYMBOL(kernel_thread);
EXPORT_SYMBOL(get_cmos_time);
EXPORT_SYMBOL(loops_per_usec);
diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
index 98fabd1..04bef4d 100644
--- a/arch/h8300/Kconfig
+++ b/arch/h8300/Kconfig
@@ -8,6 +8,8 @@
select GENERIC_IRQ_SHOW
select GENERIC_CPU_DEVICES
select MODULES_USE_ELF_RELA
+ select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
config SYMBOL_PREFIX
string
diff --git a/arch/h8300/include/asm/processor.h b/arch/h8300/include/asm/processor.h
index 4c9f6f8..4b0ca49 100644
--- a/arch/h8300/include/asm/processor.h
+++ b/arch/h8300/include/asm/processor.h
@@ -107,8 +107,6 @@
{
}
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
/*
* Free current thread data structures etc..
*/
diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h
index d09c440..00502a6 100644
--- a/arch/h8300/include/asm/ptrace.h
+++ b/arch/h8300/include/asm/ptrace.h
@@ -60,6 +60,8 @@
#define user_mode(regs) (!((regs)->ccr & PS_S))
#define instruction_pointer(regs) ((regs)->pc)
#define profile_pc(regs) instruction_pointer(regs)
+#define current_pt_regs() ((struct pt_regs *) \
+ (THREAD_SIZE + (unsigned long)current_thread_info()) - 1)
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
#endif /* _H8300_PTRACE_H */
diff --git a/arch/h8300/include/asm/unistd.h b/arch/h8300/include/asm/unistd.h
index 5cd8828..07afcfa 100644
--- a/arch/h8300/include/asm/unistd.h
+++ b/arch/h8300/include/asm/unistd.h
@@ -356,6 +356,7 @@
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
/*
* "Conditional" syscalls
diff --git a/arch/h8300/kernel/entry.S b/arch/h8300/kernel/entry.S
index ca74316..617a687 100644
--- a/arch/h8300/kernel/entry.S
+++ b/arch/h8300/kernel/entry.S
@@ -158,6 +158,7 @@
.globl SYMBOL_NAME(system_call)
.globl SYMBOL_NAME(ret_from_exception)
.globl SYMBOL_NAME(ret_from_fork)
+.globl SYMBOL_NAME(ret_from_kernel_thread)
.globl SYMBOL_NAME(ret_from_interrupt)
.globl SYMBOL_NAME(interrupt_redirect_table)
.globl SYMBOL_NAME(sw_ksp),SYMBOL_NAME(sw_usp)
@@ -330,6 +331,14 @@
jsr @SYMBOL_NAME(schedule_tail)
jmp @SYMBOL_NAME(ret_from_exception)
+SYMBOL_NAME_LABEL(ret_from_kernel_thread)
+ mov.l er2,er0
+ jsr @SYMBOL_NAME(schedule_tail)
+ mov.l @(LER4:16,sp),er0
+ mov.l @(LER5:16,sp),er1
+ jsr @er1
+ jmp @SYMBOL_NAME(ret_from_exception)
+
SYMBOL_NAME_LABEL(resume)
/*
* Beware - when entering resume, offset of tss is in d1,
diff --git a/arch/h8300/kernel/h8300_ksyms.c b/arch/h8300/kernel/h8300_ksyms.c
index 6866bd9..53d7c0e 100644
--- a/arch/h8300/kernel/h8300_ksyms.c
+++ b/arch/h8300/kernel/h8300_ksyms.c
@@ -33,7 +33,6 @@
EXPORT_SYMBOL(ip_fast_csum);
-EXPORT_SYMBOL(kernel_thread);
EXPORT_SYMBOL(enable_irq);
EXPORT_SYMBOL(disable_irq);
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index e8dc139..2a45718 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -47,6 +47,7 @@
EXPORT_SYMBOL(pm_power_off);
asmlinkage void ret_from_fork(void);
+asmlinkage void ret_from_kernel_thread(void);
/*
* The idle loop on an H8/300..
@@ -122,39 +123,6 @@
printk("\n");
}
-/*
- * Create a kernel thread
- */
-int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
- long retval;
- long clone_arg;
- mm_segment_t fs;
-
- fs = get_fs();
- set_fs (KERNEL_DS);
- clone_arg = flags | CLONE_VM;
- __asm__("mov.l sp,er3\n\t"
- "sub.l er2,er2\n\t"
- "mov.l %2,er1\n\t"
- "mov.l %1,er0\n\t"
- "trapa #0\n\t"
- "cmp.l sp,er3\n\t"
- "beq 1f\n\t"
- "mov.l %4,er0\n\t"
- "mov.l %3,er1\n\t"
- "jsr @er1\n\t"
- "mov.l %5,er0\n\t"
- "trapa #0\n"
- "1:\n\t"
- "mov.l er0,%0"
- :"=r"(retval)
- :"i"(__NR_clone),"g"(clone_arg),"g"(fn),"g"(arg),"i"(__NR_exit)
- :"er0","er1","er2","er3");
- set_fs (fs);
- return retval;
-}
-
void flush_thread(void)
{
}
@@ -198,6 +166,13 @@
childregs = (struct pt_regs *) (THREAD_SIZE + task_stack_page(p)) - 1;
+ if (unlikely(p->flags & PF_KTHREAD)) {
+ memset(childregs, 0, sizeof(struct pt_regs));
+ childregs->retpc = (unsigned long) ret_from_kernel_thread;
+ childregs->er4 = topstk; /* arg */
+ childregs->er5 = usp; /* fn */
+ p->thread.ksp = (unsigned long)childregs;
+ }
*childregs = *regs;
childregs->retpc = (unsigned long) ret_from_fork;
childregs->er0 = 0;
@@ -208,27 +183,6 @@
return 0;
}
-/*
- * sys_execve() executes a new program.
- */
-asmlinkage int sys_execve(const char *name,
- const char *const *argv,
- const char *const *envp,
- int dummy, ...)
-{
- int error;
- struct filename *filename;
- struct pt_regs *regs = (struct pt_regs *) ((unsigned char *)&dummy-4);
-
- filename = getname(name);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- return error;
- error = do_execve(filename->name, argv, envp, regs);
- putname(filename);
- return error;
-}
-
unsigned long thread_saved_pc(struct task_struct *tsk)
{
return ((struct pt_regs *)tsk->thread.esp0)->pc;
diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c
index 4bdc731..bf350cb 100644
--- a/arch/h8300/kernel/sys_h8300.c
+++ b/arch/h8300/kernel/sys_h8300.c
@@ -46,29 +46,3 @@
((regs->pc)&0xffffff)-2,regs->orig_er0,regs->er1,regs->er2,regs->er3,regs->er0);
}
#endif
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-asmlinkage
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- register long res __asm__("er0");
- register const char *const *_c __asm__("er3") = envp;
- register const char *const *_b __asm__("er2") = argv;
- register const char * _a __asm__("er1") = filename;
- __asm__ __volatile__ ("mov.l %1,er0\n\t"
- "trapa #0\n\t"
- : "=r" (res)
- : "g" (__NR_execve),
- "g" (_a),
- "g" (_b),
- "g" (_c)
- : "cc", "memory");
- return res;
-}
-
-
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index acd5b68..082e383 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -637,7 +637,6 @@
high_memory = __va(max_low_pfn * PAGE_SIZE);
- reset_zone_present_pages();
for_each_online_pgdat(pgdat)
if (pgdat->bdata->node_bootmem_map)
totalram_pages += free_all_bootmem_node(pgdat);
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index f807721..5183f43 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -15,6 +15,8 @@
select GENERIC_ATOMIC64
select ARCH_USES_GETTIMEOFFSET
select MODULES_USE_ELF_RELA
+ select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
config SBUS
bool
diff --git a/arch/m32r/include/asm/processor.h b/arch/m32r/include/asm/processor.h
index da17253..5767367 100644
--- a/arch/m32r/include/asm/processor.h
+++ b/arch/m32r/include/asm/processor.h
@@ -118,11 +118,6 @@
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
-/*
- * create a kernel thread without removing it from tasklists
- */
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
/* Copy and release all segment info associated with a VM */
extern void copy_segments(struct task_struct *p, struct mm_struct * mm);
extern void release_segments(struct mm_struct * mm);
diff --git a/arch/m32r/include/asm/ptrace.h b/arch/m32r/include/asm/ptrace.h
index 4313aa6..c4432f1 100644
--- a/arch/m32r/include/asm/ptrace.h
+++ b/arch/m32r/include/asm/ptrace.h
@@ -139,6 +139,8 @@
#define task_pt_regs(task) \
((struct pt_regs *)(task_stack_page(task) + THREAD_SIZE) - 1)
+#define current_pt_regs() ((struct pt_regs *) \
+ ((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
#endif /* __KERNEL */
diff --git a/arch/m32r/include/asm/unistd.h b/arch/m32r/include/asm/unistd.h
index d5e66a4..b27bdcb 100644
--- a/arch/m32r/include/asm/unistd.h
+++ b/arch/m32r/include/asm/unistd.h
@@ -352,6 +352,7 @@
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_EXECVE
#define __IGNORE_lchown
#define __IGNORE_setuid
diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S
index 225412b..0c01543 100644
--- a/arch/m32r/kernel/entry.S
+++ b/arch/m32r/kernel/entry.S
@@ -125,6 +125,15 @@
and \reg, sp
.endm
+ENTRY(ret_from_kernel_thread)
+ pop r0
+ bl schedule_tail
+ GET_THREAD_INFO(r8)
+ ld r0, R0(r8)
+ ld r1, R1(r8)
+ jl r1
+ bra syscall_exit
+
ENTRY(ret_from_fork)
pop r0
bl schedule_tail
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index e736627..62c713f 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -165,41 +165,6 @@
}
/*
- * Create a kernel thread
- */
-
-/*
- * This is the mechanism for creating a new kernel thread.
- *
- * NOTE! Only a kernel-only process(ie the swapper or direct descendants
- * who haven't done an "execve()") should use this: it will work within
- * a system call from a "real" process, but the process memory space will
- * not be free'd until both the parent and the child have exited.
- */
-static void kernel_thread_helper(void *nouse, int (*fn)(void *), void *arg)
-{
- fn(arg);
- do_exit(-1);
-}
-
-int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
-{
- struct pt_regs regs;
-
- memset(®s, 0, sizeof (regs));
- regs.r1 = (unsigned long)fn;
- regs.r2 = (unsigned long)arg;
-
- regs.bpc = (unsigned long)kernel_thread_helper;
-
- regs.psw = M32R_PSW_BIE;
-
- /* Ok, create the new process. */
- return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0, ®s, 0, NULL,
- NULL);
-}
-
-/*
* Free current thread data structures etc..
*/
void exit_thread(void)
@@ -227,29 +192,35 @@
}
int copy_thread(unsigned long clone_flags, unsigned long spu,
- unsigned long unused, struct task_struct *tsk, struct pt_regs *regs)
+ unsigned long arg, struct task_struct *tsk, struct pt_regs *regs)
{
struct pt_regs *childregs = task_pt_regs(tsk);
extern void ret_from_fork(void);
+ extern void ret_from_kernel_thread(void);
- /* Copy registers */
- *childregs = *regs;
-
- childregs->spu = spu;
- childregs->r0 = 0; /* Child gets zero as return value */
- regs->r0 = tsk->pid;
+ if (unlikely(tsk->flags & PF_KTHREAD)) {
+ memset(childregs, 0, sizeof(struct pt_regs));
+ childregs->psw = M32R_PSW_BIE;
+ childregs->r1 = spu; /* fn */
+ childregs->r0 = arg;
+ tsk->thread.lr = (unsigned long)ret_from_kernel_thread;
+ } else {
+ /* Copy registers */
+ *childregs = *regs;
+ childregs->spu = spu;
+ childregs->r0 = 0; /* Child gets zero as return value */
+ tsk->thread.lr = (unsigned long)ret_from_fork;
+ }
tsk->thread.sp = (unsigned long)childregs;
- tsk->thread.lr = (unsigned long)ret_from_fork;
return 0;
}
-asmlinkage int sys_fork(unsigned long r0, unsigned long r1, unsigned long r2,
- unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6,
- struct pt_regs regs)
+asmlinkage int sys_fork(void)
{
#ifdef CONFIG_MMU
- return do_fork(SIGCHLD, regs.spu, ®s, 0, NULL, NULL);
+ struct pt_regs *regs = current_pt_regs();
+ return do_fork(SIGCHLD, regs->spu, regs, 0, NULL, NULL);
#else
return -EINVAL;
#endif /* CONFIG_MMU */
@@ -257,14 +228,13 @@
asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
unsigned long parent_tidptr,
- unsigned long child_tidptr,
- unsigned long r4, unsigned long r5, unsigned long r6,
- struct pt_regs regs)
+ unsigned long child_tidptr)
{
+ struct pt_regs *regs = current_pt_regs();
if (!newsp)
- newsp = regs.spu;
+ newsp = regs->spu;
- return do_fork(clone_flags, newsp, ®s, 0,
+ return do_fork(clone_flags, newsp, regs, 0,
(int __user *)parent_tidptr, (int __user *)child_tidptr);
}
@@ -278,38 +248,14 @@
* do not have enough call-clobbered registers to hold all
* the information you need.
*/
-asmlinkage int sys_vfork(unsigned long r0, unsigned long r1, unsigned long r2,
- unsigned long r3, unsigned long r4, unsigned long r5, unsigned long r6,
- struct pt_regs regs)
+asmlinkage int sys_vfork(void)
{
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs.spu, ®s, 0,
+ struct pt_regs *regs = current_pt_regs();
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->spu, regs, 0,
NULL, NULL);
}
/*
- * sys_execve() executes a new program.
- */
-asmlinkage int sys_execve(const char __user *ufilename,
- const char __user *const __user *uargv,
- const char __user *const __user *uenvp,
- unsigned long r3, unsigned long r4, unsigned long r5,
- unsigned long r6, struct pt_regs regs)
-{
- int error;
- struct filename *filename;
-
- filename = getname(ufilename);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
-
- error = do_execve(filename->name, uargv, uenvp, ®s);
- putname(filename);
-out:
- return error;
-}
-
-/*
* These bracket the sleeping functions..
*/
#define first_sched ((unsigned long) scheduling_functions_start_here)
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
index d841fb6..c3fdd63 100644
--- a/arch/m32r/kernel/sys_m32r.c
+++ b/arch/m32r/kernel/sys_m32r.c
@@ -88,24 +88,3 @@
/* Not implemented yet. */
return -ENOSYS;
}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- register long __scno __asm__ ("r7") = __NR_execve;
- register long __arg3 __asm__ ("r2") = (long)(envp);
- register long __arg2 __asm__ ("r1") = (long)(argv);
- register long __res __asm__ ("r0") = (long)(filename);
- __asm__ __volatile__ (
- "trap #" SYSCALL_VECTOR "|| nop"
- : "=r" (__res)
- : "r" (__scno), "0" (__res), "r" (__arg2),
- "r" (__arg3)
- : "memory");
- return __res;
-}
diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h
index 67e489d..2df26b5 100644
--- a/arch/m68k/include/asm/signal.h
+++ b/arch/m68k/include/asm/signal.h
@@ -41,7 +41,7 @@
static inline void sigaddset(sigset_t *set, int _sig)
{
asm ("bfset %0{%1,#1}"
- : "+od" (*set)
+ : "+o" (*set)
: "id" ((_sig - 1) ^ 31)
: "cc");
}
@@ -49,7 +49,7 @@
static inline void sigdelset(sigset_t *set, int _sig)
{
asm ("bfclr %0{%1,#1}"
- : "+od" (*set)
+ : "+o" (*set)
: "id" ((_sig - 1) ^ 31)
: "cc");
}
@@ -65,7 +65,7 @@
int ret;
asm ("bfextu %1{%2,#1},%0"
: "=d" (ret)
- : "od" (*set), "id" ((_sig-1) ^ 31)
+ : "o" (*set), "id" ((_sig-1) ^ 31)
: "cc");
return ret;
}
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 3847e5b..3903e3d 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -111,7 +111,7 @@
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->r1))
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->r1) == -EFAULT)
goto badframe;
return rval;
diff --git a/arch/mips/cavium-octeon/executive/cvmx-l2c.c b/arch/mips/cavium-octeon/executive/cvmx-l2c.c
index d38246e..9f883bf 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-l2c.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-l2c.c
@@ -30,6 +30,7 @@
* measurement, and debugging facilities.
*/
+#include <linux/irqflags.h>
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-l2c.h>
#include <asm/octeon/cvmx-spinlock.h>
diff --git a/arch/mips/fw/arc/misc.c b/arch/mips/fw/arc/misc.c
index 7cf80ca..f9f5307 100644
--- a/arch/mips/fw/arc/misc.c
+++ b/arch/mips/fw/arc/misc.c
@@ -11,6 +11,7 @@
*/
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/irqflags.h>
#include <asm/bcache.h>
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index 82ad35c..46ac73a 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -14,7 +14,6 @@
#endif
#include <linux/compiler.h>
-#include <linux/irqflags.h>
#include <linux/types.h>
#include <asm/barrier.h>
#include <asm/byteorder.h> /* sigh ... */
@@ -44,6 +43,24 @@
#define smp_mb__before_clear_bit() smp_mb__before_llsc()
#define smp_mb__after_clear_bit() smp_llsc_mb()
+
+/*
+ * These are the "slower" versions of the functions and are in bitops.c.
+ * These functions call raw_local_irq_{save,restore}().
+ */
+void __mips_set_bit(unsigned long nr, volatile unsigned long *addr);
+void __mips_clear_bit(unsigned long nr, volatile unsigned long *addr);
+void __mips_change_bit(unsigned long nr, volatile unsigned long *addr);
+int __mips_test_and_set_bit(unsigned long nr,
+ volatile unsigned long *addr);
+int __mips_test_and_set_bit_lock(unsigned long nr,
+ volatile unsigned long *addr);
+int __mips_test_and_clear_bit(unsigned long nr,
+ volatile unsigned long *addr);
+int __mips_test_and_change_bit(unsigned long nr,
+ volatile unsigned long *addr);
+
+
/*
* set_bit - Atomically set a bit in memory
* @nr: the bit to set
@@ -57,7 +74,7 @@
static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long temp;
if (kernel_uses_llsc && R10000_LLSC_WAR) {
@@ -92,17 +109,8 @@
: "=&r" (temp), "+m" (*m)
: "ir" (1UL << bit));
} while (unlikely(!temp));
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- *a |= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ __mips_set_bit(nr, addr);
}
/*
@@ -118,7 +126,7 @@
static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long temp;
if (kernel_uses_llsc && R10000_LLSC_WAR) {
@@ -153,17 +161,8 @@
: "=&r" (temp), "+m" (*m)
: "ir" (~(1UL << bit)));
} while (unlikely(!temp));
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- *a &= ~mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ __mips_clear_bit(nr, addr);
}
/*
@@ -191,7 +190,7 @@
*/
static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
if (kernel_uses_llsc && R10000_LLSC_WAR) {
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
@@ -220,17 +219,8 @@
: "=&r" (temp), "+m" (*m)
: "ir" (1UL << bit));
} while (unlikely(!temp));
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- *a ^= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ __mips_change_bit(nr, addr);
}
/*
@@ -244,7 +234,7 @@
static inline int test_and_set_bit(unsigned long nr,
volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long res;
smp_mb__before_llsc();
@@ -281,18 +271,8 @@
} while (unlikely(!res));
res = temp & (1UL << bit);
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- res = (mask & *a);
- *a |= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ res = __mips_test_and_set_bit(nr, addr);
smp_llsc_mb();
@@ -310,7 +290,7 @@
static inline int test_and_set_bit_lock(unsigned long nr,
volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long res;
if (kernel_uses_llsc && R10000_LLSC_WAR) {
@@ -345,18 +325,8 @@
} while (unlikely(!res));
res = temp & (1UL << bit);
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- res = (mask & *a);
- *a |= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ res = __mips_test_and_set_bit_lock(nr, addr);
smp_llsc_mb();
@@ -373,7 +343,7 @@
static inline int test_and_clear_bit(unsigned long nr,
volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long res;
smp_mb__before_llsc();
@@ -428,18 +398,8 @@
} while (unlikely(!res));
res = temp & (1UL << bit);
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- res = (mask & *a);
- *a &= ~mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ res = __mips_test_and_clear_bit(nr, addr);
smp_llsc_mb();
@@ -457,7 +417,7 @@
static inline int test_and_change_bit(unsigned long nr,
volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long res;
smp_mb__before_llsc();
@@ -494,18 +454,8 @@
} while (unlikely(!res));
res = temp & (1UL << bit);
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- res = (mask & *a);
- *a ^= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ res = __mips_test_and_change_bit(nr, addr);
smp_llsc_mb();
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index 58277e0..3c5d146 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -290,7 +290,7 @@
static inline int is_compat_task(void)
{
- return test_thread_flag(TIF_32BIT);
+ return test_thread_flag(TIF_32BIT_ADDR);
}
#endif /* _ASM_COMPAT_H */
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 29d9c23..ff2e034 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -15,6 +15,7 @@
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/types.h>
+#include <linux/irqflags.h>
#include <asm/addrspace.h>
#include <asm/bug.h>
diff --git a/arch/mips/include/asm/irqflags.h b/arch/mips/include/asm/irqflags.h
index 309cbcd..9f3384c 100644
--- a/arch/mips/include/asm/irqflags.h
+++ b/arch/mips/include/asm/irqflags.h
@@ -16,6 +16,105 @@
#include <linux/compiler.h>
#include <asm/hazards.h>
+#if defined(CONFIG_CPU_MIPSR2) && !defined(CONFIG_MIPS_MT_SMTC)
+
+__asm__(
+ " .macro arch_local_irq_disable\n"
+ " .set push \n"
+ " .set noat \n"
+ " di \n"
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+static inline void arch_local_irq_disable(void)
+{
+ __asm__ __volatile__(
+ "arch_local_irq_disable"
+ : /* no outputs */
+ : /* no inputs */
+ : "memory");
+}
+
+
+__asm__(
+ " .macro arch_local_irq_save result \n"
+ " .set push \n"
+ " .set reorder \n"
+ " .set noat \n"
+ " di \\result \n"
+ " andi \\result, 1 \n"
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+static inline unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ asm volatile("arch_local_irq_save\t%0"
+ : "=r" (flags)
+ : /* no inputs */
+ : "memory");
+ return flags;
+}
+
+
+__asm__(
+ " .macro arch_local_irq_restore flags \n"
+ " .set push \n"
+ " .set noreorder \n"
+ " .set noat \n"
+#if defined(CONFIG_IRQ_CPU)
+ /*
+ * Slow, but doesn't suffer from a relatively unlikely race
+ * condition we're having since days 1.
+ */
+ " beqz \\flags, 1f \n"
+ " di \n"
+ " ei \n"
+ "1: \n"
+#else
+ /*
+ * Fast, dangerous. Life is fun, life is good.
+ */
+ " mfc0 $1, $12 \n"
+ " ins $1, \\flags, 0, 1 \n"
+ " mtc0 $1, $12 \n"
+#endif
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+static inline void arch_local_irq_restore(unsigned long flags)
+{
+ unsigned long __tmp1;
+
+ __asm__ __volatile__(
+ "arch_local_irq_restore\t%0"
+ : "=r" (__tmp1)
+ : "0" (flags)
+ : "memory");
+}
+
+static inline void __arch_local_irq_restore(unsigned long flags)
+{
+ unsigned long __tmp1;
+
+ __asm__ __volatile__(
+ "arch_local_irq_restore\t%0"
+ : "=r" (__tmp1)
+ : "0" (flags)
+ : "memory");
+}
+#else
+/* Functions that require preempt_{dis,en}able() are in mips-atomic.c */
+void arch_local_irq_disable(void);
+unsigned long arch_local_irq_save(void);
+void arch_local_irq_restore(unsigned long flags);
+void __arch_local_irq_restore(unsigned long flags);
+#endif /* if defined(CONFIG_CPU_MIPSR2) && !defined(CONFIG_MIPS_MT_SMTC) */
+
+
__asm__(
" .macro arch_local_irq_enable \n"
" .set push \n"
@@ -57,55 +156,6 @@
}
-/*
- * For cli() we have to insert nops to make sure that the new value
- * has actually arrived in the status register before the end of this
- * macro.
- * R4000/R4400 need three nops, the R4600 two nops and the R10000 needs
- * no nops at all.
- */
-/*
- * For TX49, operating only IE bit is not enough.
- *
- * If mfc0 $12 follows store and the mfc0 is last instruction of a
- * page and fetching the next instruction causes TLB miss, the result
- * of the mfc0 might wrongly contain EXL bit.
- *
- * ERT-TX49H2-027, ERT-TX49H3-012, ERT-TX49HL3-006, ERT-TX49H4-008
- *
- * Workaround: mask EXL bit of the result or place a nop before mfc0.
- */
-__asm__(
- " .macro arch_local_irq_disable\n"
- " .set push \n"
- " .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 $1, $2, 1 \n"
- " ori $1, 0x400 \n"
- " .set noreorder \n"
- " mtc0 $1, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
- " di \n"
-#else
- " mfc0 $1,$12 \n"
- " ori $1,0x1f \n"
- " xori $1,0x1f \n"
- " .set noreorder \n"
- " mtc0 $1,$12 \n"
-#endif
- " irq_disable_hazard \n"
- " .set pop \n"
- " .endm \n");
-
-static inline void arch_local_irq_disable(void)
-{
- __asm__ __volatile__(
- "arch_local_irq_disable"
- : /* no outputs */
- : /* no inputs */
- : "memory");
-}
-
__asm__(
" .macro arch_local_save_flags flags \n"
" .set push \n"
@@ -125,113 +175,6 @@
return flags;
}
-__asm__(
- " .macro arch_local_irq_save result \n"
- " .set push \n"
- " .set reorder \n"
- " .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 \\result, $2, 1 \n"
- " ori $1, \\result, 0x400 \n"
- " .set noreorder \n"
- " mtc0 $1, $2, 1 \n"
- " andi \\result, \\result, 0x400 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
- " di \\result \n"
- " andi \\result, 1 \n"
-#else
- " mfc0 \\result, $12 \n"
- " ori $1, \\result, 0x1f \n"
- " xori $1, 0x1f \n"
- " .set noreorder \n"
- " mtc0 $1, $12 \n"
-#endif
- " irq_disable_hazard \n"
- " .set pop \n"
- " .endm \n");
-
-static inline unsigned long arch_local_irq_save(void)
-{
- unsigned long flags;
- asm volatile("arch_local_irq_save\t%0"
- : "=r" (flags)
- : /* no inputs */
- : "memory");
- return flags;
-}
-
-__asm__(
- " .macro arch_local_irq_restore flags \n"
- " .set push \n"
- " .set noreorder \n"
- " .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- "mfc0 $1, $2, 1 \n"
- "andi \\flags, 0x400 \n"
- "ori $1, 0x400 \n"
- "xori $1, 0x400 \n"
- "or \\flags, $1 \n"
- "mtc0 \\flags, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU)
- /*
- * Slow, but doesn't suffer from a relatively unlikely race
- * condition we're having since days 1.
- */
- " beqz \\flags, 1f \n"
- " di \n"
- " ei \n"
- "1: \n"
-#elif defined(CONFIG_CPU_MIPSR2)
- /*
- * Fast, dangerous. Life is fun, life is good.
- */
- " mfc0 $1, $12 \n"
- " ins $1, \\flags, 0, 1 \n"
- " mtc0 $1, $12 \n"
-#else
- " mfc0 $1, $12 \n"
- " andi \\flags, 1 \n"
- " ori $1, 0x1f \n"
- " xori $1, 0x1f \n"
- " or \\flags, $1 \n"
- " mtc0 \\flags, $12 \n"
-#endif
- " irq_disable_hazard \n"
- " .set pop \n"
- " .endm \n");
-
-
-static inline void arch_local_irq_restore(unsigned long flags)
-{
- unsigned long __tmp1;
-
-#ifdef CONFIG_MIPS_MT_SMTC
- /*
- * SMTC kernel needs to do a software replay of queued
- * IPIs, at the cost of branch and call overhead on each
- * local_irq_restore()
- */
- if (unlikely(!(flags & 0x0400)))
- smtc_ipi_replay();
-#endif
-
- __asm__ __volatile__(
- "arch_local_irq_restore\t%0"
- : "=r" (__tmp1)
- : "0" (flags)
- : "memory");
-}
-
-static inline void __arch_local_irq_restore(unsigned long flags)
-{
- unsigned long __tmp1;
-
- __asm__ __volatile__(
- "arch_local_irq_restore\t%0"
- : "=r" (__tmp1)
- : "0" (flags)
- : "memory");
-}
static inline int arch_irqs_disabled_flags(unsigned long flags)
{
@@ -245,7 +188,7 @@
#endif
}
-#endif
+#endif /* #ifndef __ASSEMBLY__ */
/*
* Do the CPU's IRQ-state tracing from assembly code.
diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
index 8debe9e..18806a5 100644
--- a/arch/mips/include/asm/thread_info.h
+++ b/arch/mips/include/asm/thread_info.h
@@ -112,12 +112,6 @@
#define TIF_LOAD_WATCH 25 /* If set, load watch registers */
#define TIF_SYSCALL_TRACE 31 /* syscall trace active */
-#ifdef CONFIG_MIPS32_O32
-#define TIF_32BIT TIF_32BIT_REGS
-#elif defined(CONFIG_MIPS32_N32)
-#define TIF_32BIT _TIF_32BIT_ADDR
-#endif /* CONFIG_MIPS32_O32 */
-
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index a53f8ec..290dc6a 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -79,7 +79,7 @@
void __init add_memory_region(phys_t start, phys_t size, long type)
{
int x = boot_mem_map.nr_map;
- struct boot_mem_map_entry *prev = boot_mem_map.map + x - 1;
+ int i;
/* Sanity check */
if (start + size < start) {
@@ -88,15 +88,29 @@
}
/*
- * Try to merge with previous entry if any. This is far less than
- * perfect but is sufficient for most real world cases.
+ * Try to merge with existing entry, if any.
*/
- if (x && prev->addr + prev->size == start && prev->type == type) {
- prev->size += size;
+ for (i = 0; i < boot_mem_map.nr_map; i++) {
+ struct boot_mem_map_entry *entry = boot_mem_map.map + i;
+ unsigned long top;
+
+ if (entry->type != type)
+ continue;
+
+ if (start + size < entry->addr)
+ continue; /* no overlap */
+
+ if (entry->addr + entry->size < start)
+ continue; /* no overlap */
+
+ top = max(entry->addr + entry->size, start + size);
+ entry->addr = min(entry->addr, start);
+ entry->size = top - entry->addr;
+
return;
}
- if (x == BOOT_MEM_MAP_MAX) {
+ if (boot_mem_map.nr_map == BOOT_MEM_MAP_MAX) {
pr_err("Ooops! Too many entries in the memory map!\n");
return;
}
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index c4a82e8..eeddc58 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -2,8 +2,9 @@
# Makefile for MIPS-specific library files..
#
-lib-y += csum_partial.o delay.o memcpy.o memset.o \
- strlen_user.o strncpy_user.o strnlen_user.o uncached.o
+lib-y += bitops.o csum_partial.o delay.o memcpy.o memset.o \
+ mips-atomic.o strlen_user.o strncpy_user.o \
+ strnlen_user.o uncached.o
obj-y += iomap.o
obj-$(CONFIG_PCI) += iomap-pci.o
diff --git a/arch/mips/lib/bitops.c b/arch/mips/lib/bitops.c
new file mode 100644
index 0000000..239a9c9
--- /dev/null
+++ b/arch/mips/lib/bitops.c
@@ -0,0 +1,179 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1994-1997, 99, 2000, 06, 07 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (c) 1999, 2000 Silicon Graphics, Inc.
+ */
+#include <linux/bitops.h>
+#include <linux/irqflags.h>
+#include <linux/export.h>
+
+
+/**
+ * __mips_set_bit - Atomically set a bit in memory. This is called by
+ * set_bit() if it cannot find a faster solution.
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ */
+void __mips_set_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ *a |= mask;
+ raw_local_irq_restore(flags);
+}
+EXPORT_SYMBOL(__mips_set_bit);
+
+
+/**
+ * __mips_clear_bit - Clears a bit in memory. This is called by clear_bit() if
+ * it cannot find a faster solution.
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ */
+void __mips_clear_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ *a &= ~mask;
+ raw_local_irq_restore(flags);
+}
+EXPORT_SYMBOL(__mips_clear_bit);
+
+
+/**
+ * __mips_change_bit - Toggle a bit in memory. This is called by change_bit()
+ * if it cannot find a faster solution.
+ * @nr: Bit to change
+ * @addr: Address to start counting from
+ */
+void __mips_change_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ *a ^= mask;
+ raw_local_irq_restore(flags);
+}
+EXPORT_SYMBOL(__mips_change_bit);
+
+
+/**
+ * __mips_test_and_set_bit - Set a bit and return its old value. This is
+ * called by test_and_set_bit() if it cannot find a faster solution.
+ * @nr: Bit to set
+ * @addr: Address to count from
+ */
+int __mips_test_and_set_bit(unsigned long nr,
+ volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+ unsigned long res;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ res = (mask & *a);
+ *a |= mask;
+ raw_local_irq_restore(flags);
+ return res;
+}
+EXPORT_SYMBOL(__mips_test_and_set_bit);
+
+
+/**
+ * __mips_test_and_set_bit_lock - Set a bit and return its old value. This is
+ * called by test_and_set_bit_lock() if it cannot find a faster solution.
+ * @nr: Bit to set
+ * @addr: Address to count from
+ */
+int __mips_test_and_set_bit_lock(unsigned long nr,
+ volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+ unsigned long res;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ res = (mask & *a);
+ *a |= mask;
+ raw_local_irq_restore(flags);
+ return res;
+}
+EXPORT_SYMBOL(__mips_test_and_set_bit_lock);
+
+
+/**
+ * __mips_test_and_clear_bit - Clear a bit and return its old value. This is
+ * called by test_and_clear_bit() if it cannot find a faster solution.
+ * @nr: Bit to clear
+ * @addr: Address to count from
+ */
+int __mips_test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+ unsigned long res;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ res = (mask & *a);
+ *a &= ~mask;
+ raw_local_irq_restore(flags);
+ return res;
+}
+EXPORT_SYMBOL(__mips_test_and_clear_bit);
+
+
+/**
+ * __mips_test_and_change_bit - Change a bit and return its old value. This is
+ * called by test_and_change_bit() if it cannot find a faster solution.
+ * @nr: Bit to change
+ * @addr: Address to count from
+ */
+int __mips_test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+ unsigned long res;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ res = (mask & *a);
+ *a ^= mask;
+ raw_local_irq_restore(flags);
+ return res;
+}
+EXPORT_SYMBOL(__mips_test_and_change_bit);
diff --git a/arch/mips/lib/mips-atomic.c b/arch/mips/lib/mips-atomic.c
new file mode 100644
index 0000000..cd160be
--- /dev/null
+++ b/arch/mips/lib/mips-atomic.c
@@ -0,0 +1,176 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 95, 96, 97, 98, 99, 2003 by Ralf Baechle
+ * Copyright (C) 1996 by Paul M. Antoine
+ * Copyright (C) 1999 Silicon Graphics
+ * Copyright (C) 2000 MIPS Technologies, Inc.
+ */
+#include <asm/irqflags.h>
+#include <asm/hazards.h>
+#include <linux/compiler.h>
+#include <linux/preempt.h>
+#include <linux/export.h>
+
+#if !defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT_SMTC)
+
+/*
+ * For cli() we have to insert nops to make sure that the new value
+ * has actually arrived in the status register before the end of this
+ * macro.
+ * R4000/R4400 need three nops, the R4600 two nops and the R10000 needs
+ * no nops at all.
+ */
+/*
+ * For TX49, operating only IE bit is not enough.
+ *
+ * If mfc0 $12 follows store and the mfc0 is last instruction of a
+ * page and fetching the next instruction causes TLB miss, the result
+ * of the mfc0 might wrongly contain EXL bit.
+ *
+ * ERT-TX49H2-027, ERT-TX49H3-012, ERT-TX49HL3-006, ERT-TX49H4-008
+ *
+ * Workaround: mask EXL bit of the result or place a nop before mfc0.
+ */
+__asm__(
+ " .macro arch_local_irq_disable\n"
+ " .set push \n"
+ " .set noat \n"
+#ifdef CONFIG_MIPS_MT_SMTC
+ " mfc0 $1, $2, 1 \n"
+ " ori $1, 0x400 \n"
+ " .set noreorder \n"
+ " mtc0 $1, $2, 1 \n"
+#elif defined(CONFIG_CPU_MIPSR2)
+ /* see irqflags.h for inline function */
+#else
+ " mfc0 $1,$12 \n"
+ " ori $1,0x1f \n"
+ " xori $1,0x1f \n"
+ " .set noreorder \n"
+ " mtc0 $1,$12 \n"
+#endif
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+notrace void arch_local_irq_disable(void)
+{
+ preempt_disable();
+ __asm__ __volatile__(
+ "arch_local_irq_disable"
+ : /* no outputs */
+ : /* no inputs */
+ : "memory");
+ preempt_enable();
+}
+EXPORT_SYMBOL(arch_local_irq_disable);
+
+
+__asm__(
+ " .macro arch_local_irq_save result \n"
+ " .set push \n"
+ " .set reorder \n"
+ " .set noat \n"
+#ifdef CONFIG_MIPS_MT_SMTC
+ " mfc0 \\result, $2, 1 \n"
+ " ori $1, \\result, 0x400 \n"
+ " .set noreorder \n"
+ " mtc0 $1, $2, 1 \n"
+ " andi \\result, \\result, 0x400 \n"
+#elif defined(CONFIG_CPU_MIPSR2)
+ /* see irqflags.h for inline function */
+#else
+ " mfc0 \\result, $12 \n"
+ " ori $1, \\result, 0x1f \n"
+ " xori $1, 0x1f \n"
+ " .set noreorder \n"
+ " mtc0 $1, $12 \n"
+#endif
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+notrace unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ preempt_disable();
+ asm volatile("arch_local_irq_save\t%0"
+ : "=r" (flags)
+ : /* no inputs */
+ : "memory");
+ preempt_enable();
+ return flags;
+}
+EXPORT_SYMBOL(arch_local_irq_save);
+
+
+__asm__(
+ " .macro arch_local_irq_restore flags \n"
+ " .set push \n"
+ " .set noreorder \n"
+ " .set noat \n"
+#ifdef CONFIG_MIPS_MT_SMTC
+ "mfc0 $1, $2, 1 \n"
+ "andi \\flags, 0x400 \n"
+ "ori $1, 0x400 \n"
+ "xori $1, 0x400 \n"
+ "or \\flags, $1 \n"
+ "mtc0 \\flags, $2, 1 \n"
+#elif defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU)
+ /* see irqflags.h for inline function */
+#elif defined(CONFIG_CPU_MIPSR2)
+ /* see irqflags.h for inline function */
+#else
+ " mfc0 $1, $12 \n"
+ " andi \\flags, 1 \n"
+ " ori $1, 0x1f \n"
+ " xori $1, 0x1f \n"
+ " or \\flags, $1 \n"
+ " mtc0 \\flags, $12 \n"
+#endif
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+notrace void arch_local_irq_restore(unsigned long flags)
+{
+ unsigned long __tmp1;
+
+#ifdef CONFIG_MIPS_MT_SMTC
+ /*
+ * SMTC kernel needs to do a software replay of queued
+ * IPIs, at the cost of branch and call overhead on each
+ * local_irq_restore()
+ */
+ if (unlikely(!(flags & 0x0400)))
+ smtc_ipi_replay();
+#endif
+ preempt_disable();
+ __asm__ __volatile__(
+ "arch_local_irq_restore\t%0"
+ : "=r" (__tmp1)
+ : "0" (flags)
+ : "memory");
+ preempt_enable();
+}
+EXPORT_SYMBOL(arch_local_irq_restore);
+
+
+notrace void __arch_local_irq_restore(unsigned long flags)
+{
+ unsigned long __tmp1;
+
+ preempt_disable();
+ __asm__ __volatile__(
+ "arch_local_irq_restore\t%0"
+ : "=r" (__tmp1)
+ : "0" (flags)
+ : "memory");
+ preempt_enable();
+}
+EXPORT_SYMBOL(__arch_local_irq_restore);
+
+#endif /* !defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT_SMTC) */
diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c
index 80562b8..7473217 100644
--- a/arch/mips/mti-malta/malta-platform.c
+++ b/arch/mips/mti-malta/malta-platform.c
@@ -29,6 +29,7 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
+#include <asm/mips-boards/maltaint.h>
#include <mtd/mtd-abi.h>
#define SMC_PORT(base, int) \
@@ -48,7 +49,7 @@
SMC_PORT(0x2F8, 3),
{
.mapbase = 0x1f000900, /* The CBUS UART */
- .irq = MIPS_CPU_IRQ_BASE + 2,
+ .irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
.uartclk = 3686400, /* Twice the usual clk! */
.iotype = UPIO_MEM32,
.flags = CBUS_UART_FLAGS,
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index 04669fa..7247174 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -9,6 +9,7 @@
select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER
select GENERIC_CLOCKEVENTS
select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
select MODULES_USE_ELF_RELA
config AM33_2
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index 55bbec1..9711d51 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -44,7 +44,6 @@
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_SYS_EXECVE
-#define __ARCH_WANT_KERNEL_EXECVE
/*
* "Conditional" syscalls
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index 0c631d3..68fcab8 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -60,13 +60,8 @@
mov (REG_D0,fp),d0
mov (REG_A0,fp),a0
calls (a0)
- jmp sys_exit
-
-ENTRY(ret_from_kernel_execve)
- add -12,d0 /* pt_regs -> frame */
- mov d0,sp
- GET_THREAD_INFO a2
clr d0
+ mov d0,(REG_D0,fp)
jmp syscall_exit
###############################################################################
diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
index 3011029..ddedc8a 100644
--- a/arch/openrisc/kernel/signal.c
+++ b/arch/openrisc/kernel/signal.c
@@ -84,7 +84,6 @@
{
struct rt_sigframe *frame = (struct rt_sigframe __user *)regs->sp;
sigset_t set;
- stack_t st;
/*
* Since we stacked the signal on a dword boundary,
@@ -104,11 +103,10 @@
if (restore_sigcontext(regs, &frame->uc.uc_mcontext))
goto badframe;
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
- goto badframe;
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- do_sigaltstack(&st, NULL, regs->sp);
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->sp) == -EFAULT)
+ goto badframe;
return regs->gpr[11];
diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
index fd49aed..5dede04 100644
--- a/arch/parisc/kernel/signal32.c
+++ b/arch/parisc/kernel/signal32.c
@@ -65,7 +65,8 @@
{
compat_sigset_t s;
- if (sz != sizeof *set) panic("put_sigset32()");
+ if (sz != sizeof *set)
+ return -EINVAL;
sigset_64to32(&s, set);
return copy_to_user(up, &s, sizeof s);
@@ -77,7 +78,8 @@
compat_sigset_t s;
int r;
- if (sz != sizeof *set) panic("put_sigset32()");
+ if (sz != sizeof *set)
+ return -EINVAL;
if ((r = copy_from_user(&s, up, sz)) == 0) {
sigset_32to64(set, &s);
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 7426e40..f76c108 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -73,6 +73,8 @@
struct vm_area_struct *vma;
int offset = mapping ? get_offset(mapping) : 0;
+ offset = (offset + (pgoff << PAGE_SHIFT)) & 0x3FF000;
+
addr = DCACHE_ALIGN(addr - offset) + offset;
for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) {
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a902a5c..5af5aa7 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -144,6 +144,7 @@
select GENERIC_KERNEL_THREAD
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
+ select GENERIC_KERNEL_EXECVE
config EARLY_PRINTK
bool
diff --git a/arch/powerpc/boot/dts/mpc5200b.dtsi b/arch/powerpc/boot/dts/mpc5200b.dtsi
index 7ab286a..39ed65a 100644
--- a/arch/powerpc/boot/dts/mpc5200b.dtsi
+++ b/arch/powerpc/boot/dts/mpc5200b.dtsi
@@ -231,6 +231,12 @@
interrupts = <2 7 0>;
};
+ sclpc@3c00 {
+ compatible = "fsl,mpc5200-lpbfifo";
+ reg = <0x3c00 0x60>;
+ interrupts = <2 23 0>;
+ };
+
i2c@3d00 {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/arch/powerpc/boot/dts/o2d.dtsi b/arch/powerpc/boot/dts/o2d.dtsi
index 3444eb8..24f6680 100644
--- a/arch/powerpc/boot/dts/o2d.dtsi
+++ b/arch/powerpc/boot/dts/o2d.dtsi
@@ -86,12 +86,6 @@
reg = <0>;
};
};
-
- sclpc@3c00 {
- compatible = "fsl,mpc5200-lpbfifo";
- reg = <0x3c00 0x60>;
- interrupts = <3 23 0>;
- };
};
localbus {
diff --git a/arch/powerpc/boot/dts/pcm030.dts b/arch/powerpc/boot/dts/pcm030.dts
index 9e35499..96512c0 100644
--- a/arch/powerpc/boot/dts/pcm030.dts
+++ b/arch/powerpc/boot/dts/pcm030.dts
@@ -59,7 +59,7 @@
#gpio-cells = <2>;
};
- psc@2000 { /* PSC1 in ac97 mode */
+ audioplatform: psc@2000 { /* PSC1 in ac97 mode */
compatible = "mpc5200b-psc-ac97","fsl,mpc5200b-psc-ac97";
cell-index = <0>;
};
@@ -134,4 +134,9 @@
localbus {
status = "disabled";
};
+
+ sound {
+ compatible = "phytec,pcm030-audio-fabric";
+ asoc-platform = <&audioplatform>;
+ };
};
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 921dce6..280068c 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -56,7 +56,6 @@
#define __ARCH_WANT_COMPAT_SYS_SENDFILE
#endif
#define __ARCH_WANT_SYS_EXECVE
-#define __ARCH_WANT_KERNEL_EXECVE
/*
* "Conditional" syscalls
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 9499385..d22e73e 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -444,11 +444,6 @@
PPC440EP_ERR42
blrl
li r3,0
- b do_exit # no return
-
- .globl __ret_from_kernel_execve
-__ret_from_kernel_execve:
- addi r1,r3,-STACK_FRAME_OVERHEAD
b ret_from_syscall
/* Traced system call support */
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 56e0ff0..e9a906c 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -373,17 +373,11 @@
_GLOBAL(ret_from_kernel_thread)
bl .schedule_tail
REST_NVGPRS(r1)
- REST_GPR(2,r1)
+ ld r14, 0(r14)
mtlr r14
mr r3,r15
blrl
li r3,0
- b .do_exit # no return
-
-_GLOBAL(__ret_from_kernel_execve)
- addi r1,r3,-STACK_FRAME_OVERHEAD
- li r10,1
- std r10,SOFTE(r1)
b syscall_exit
.section ".toc","aw"
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index ba48233..f6d244d 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -745,25 +745,24 @@
/* Copy registers */
sp -= sizeof(struct pt_regs);
childregs = (struct pt_regs *) sp;
- if (!regs) {
- /* for kernel thread, set `current' and stackptr in new task */
+ if (unlikely(p->flags & PF_KTHREAD)) {
+ struct thread_info *ti = (void *)task_stack_page(p);
memset(childregs, 0, sizeof(struct pt_regs));
childregs->gpr[1] = sp + sizeof(struct pt_regs);
-#ifdef CONFIG_PPC64
- childregs->gpr[14] = *(unsigned long *)usp;
- childregs->gpr[2] = ((unsigned long *)usp)[1],
- clear_tsk_thread_flag(p, TIF_32BIT);
-#else
childregs->gpr[14] = usp; /* function */
- childregs->gpr[2] = (unsigned long) p;
+#ifdef CONFIG_PPC64
+ clear_tsk_thread_flag(p, TIF_32BIT);
+ childregs->softe = 1;
#endif
childregs->gpr[15] = arg;
p->thread.regs = NULL; /* no user register state */
+ ti->flags |= _TIF_RESTOREALL;
f = ret_from_kernel_thread;
} else {
CHECK_FULL_REGS(regs);
*childregs = *regs;
- childregs->gpr[1] = usp;
+ if (usp)
+ childregs->gpr[1] = usp;
p->thread.regs = childregs;
childregs->gpr[3] = 0; /* Result from fork() */
if (clone_flags & CLONE_SETTLS) {
@@ -1027,22 +1026,11 @@
return put_user(tsk->thread.align_ctl, (unsigned int __user *)adr);
}
-#define TRUNC_PTR(x) ((typeof(x))(((unsigned long)(x)) & 0xffffffff))
-
int sys_clone(unsigned long clone_flags, unsigned long usp,
int __user *parent_tidp, void __user *child_threadptr,
int __user *child_tidp, int p6,
struct pt_regs *regs)
{
- CHECK_FULL_REGS(regs);
- if (usp == 0)
- usp = regs->gpr[1]; /* stack pointer for child */
-#ifdef CONFIG_PPC64
- if (is_32bit_task()) {
- parent_tidp = TRUNC_PTR(parent_tidp);
- child_tidp = TRUNC_PTR(child_tidp);
- }
-#endif
return do_fork(clone_flags, usp, regs, 0, parent_tidp, child_tidp);
}
@@ -1050,28 +1038,17 @@
unsigned long p4, unsigned long p5, unsigned long p6,
struct pt_regs *regs)
{
- CHECK_FULL_REGS(regs);
- return do_fork(SIGCHLD, regs->gpr[1], regs, 0, NULL, NULL);
+ return do_fork(SIGCHLD, 0, regs, 0, NULL, NULL);
}
int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3,
unsigned long p4, unsigned long p5, unsigned long p6,
struct pt_regs *regs)
{
- CHECK_FULL_REGS(regs);
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->gpr[1],
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0,
regs, 0, NULL, NULL);
}
-void __ret_from_kernel_execve(struct pt_regs *normal)
-__noreturn;
-
-void ret_from_kernel_execve(struct pt_regs *normal)
-{
- set_thread_flag(TIF_RESTOREALL);
- __ret_from_kernel_execve(normal);
-}
-
static inline int valid_irq_stack(unsigned long sp, struct task_struct *p,
unsigned long nbytes)
{
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pic.c b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
index 8520b58..b89ef65 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pic.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pic.c
@@ -372,10 +372,11 @@
case MPC52xx_IRQ_L1_MAIN: irqchip = &mpc52xx_main_irqchip; break;
case MPC52xx_IRQ_L1_PERP: irqchip = &mpc52xx_periph_irqchip; break;
case MPC52xx_IRQ_L1_SDMA: irqchip = &mpc52xx_sdma_irqchip; break;
- default:
- pr_err("%s: invalid irq: virq=%i, l1=%i, l2=%i\n",
- __func__, virq, l1irq, l2irq);
- return -EINVAL;
+ case MPC52xx_IRQ_L1_CRIT:
+ pr_warn("%s: Critical IRQ #%d is unsupported! Nopping it.\n",
+ __func__, l2irq);
+ irq_set_chip(virq, &no_irq_chip);
+ return 0;
}
irq_set_chip_and_handler(virq, irqchip, handle_level_irq);
diff --git a/arch/powerpc/platforms/pseries/eeh_pe.c b/arch/powerpc/platforms/pseries/eeh_pe.c
index 797cd18..d16c8de 100644
--- a/arch/powerpc/platforms/pseries/eeh_pe.c
+++ b/arch/powerpc/platforms/pseries/eeh_pe.c
@@ -449,7 +449,7 @@
if (list_empty(&pe->edevs)) {
cnt = 0;
list_for_each_entry(child, &pe->child_list, child) {
- if (!(pe->type & EEH_PE_INVALID)) {
+ if (!(child->type & EEH_PE_INVALID)) {
cnt++;
break;
}
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index d19f497..e5b0847 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -220,7 +220,8 @@
/* Get the top level device in the PE */
edev = of_node_to_eeh_dev(dn);
- edev = list_first_entry(&edev->pe->edevs, struct eeh_dev, list);
+ if (edev->pe)
+ edev = list_first_entry(&edev->pe->edevs, struct eeh_dev, list);
dn = eeh_dev_to_of_node(edev);
if (!dn)
return NULL;
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index af431de..a163784 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -96,6 +96,7 @@
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_CMPXCHG_LOCAL
select HAVE_CMPXCHG_DOUBLE
+ select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_VIRT_CPU_ACCOUNTING
select VIRT_CPU_ACCOUNTING
select ARCH_DISCARD_MEMBLOCK
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index a34a9d6..18cd6b5 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -20,7 +20,7 @@
#define PSW32_MASK_CC 0x00003000UL
#define PSW32_MASK_PM 0x00000f00UL
-#define PSW32_MASK_USER 0x00003F00UL
+#define PSW32_MASK_USER 0x0000FF00UL
#define PSW32_ADDR_AMODE 0x80000000UL
#define PSW32_ADDR_INSN 0x7FFFFFFFUL
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 9ca3053..9935cbd 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -8,6 +8,9 @@
#ifdef CONFIG_SCHED_BOOK
+extern unsigned char cpu_socket_id[NR_CPUS];
+#define topology_physical_package_id(cpu) (cpu_socket_id[cpu])
+
extern unsigned char cpu_core_id[NR_CPUS];
extern cpumask_t cpu_core_map[NR_CPUS];
diff --git a/arch/s390/include/uapi/asm/ptrace.h b/arch/s390/include/uapi/asm/ptrace.h
index 705588a..a5ca214 100644
--- a/arch/s390/include/uapi/asm/ptrace.h
+++ b/arch/s390/include/uapi/asm/ptrace.h
@@ -239,7 +239,7 @@
#define PSW_MASK_EA 0x00000000UL
#define PSW_MASK_BA 0x00000000UL
-#define PSW_MASK_USER 0x00003F00UL
+#define PSW_MASK_USER 0x0000FF00UL
#define PSW_ADDR_AMODE 0x80000000UL
#define PSW_ADDR_INSN 0x7FFFFFFFUL
@@ -269,7 +269,7 @@
#define PSW_MASK_EA 0x0000000100000000UL
#define PSW_MASK_BA 0x0000000080000000UL
-#define PSW_MASK_USER 0x00003F8180000000UL
+#define PSW_MASK_USER 0x0000FF8180000000UL
#define PSW_ADDR_AMODE 0x0000000000000000UL
#define PSW_ADDR_INSN 0xFFFFFFFFFFFFFFFFUL
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
index a1e8a86..593fcc9 100644
--- a/arch/s390/kernel/compat_signal.c
+++ b/arch/s390/kernel/compat_signal.c
@@ -309,6 +309,10 @@
regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) |
(__u64)(regs32.psw.mask & PSW32_MASK_USER) << 32 |
(__u64)(regs32.psw.addr & PSW32_ADDR_AMODE);
+ /* Check for invalid user address space control. */
+ if ((regs->psw.mask & PSW_MASK_ASC) >= (psw_kernel_bits & PSW_MASK_ASC))
+ regs->psw.mask = (psw_user_bits & PSW_MASK_ASC) |
+ (regs->psw.mask & ~PSW_MASK_ASC);
regs->psw.addr = (__u64)(regs32.psw.addr & PSW32_ADDR_INSN);
for (i = 0; i < NUM_GPRS; i++)
regs->gprs[i] = (__u64) regs32.gprs[i];
@@ -481,7 +485,10 @@
/* Set up registers for signal handler */
regs->gprs[15] = (__force __u64) frame;
- regs->psw.mask |= PSW_MASK_BA; /* force amode 31 */
+ /* Force 31 bit amode and default user address space control. */
+ regs->psw.mask = PSW_MASK_BA |
+ (psw_user_bits & PSW_MASK_ASC) |
+ (regs->psw.mask & ~PSW_MASK_ASC);
regs->psw.addr = (__force __u64) ka->sa.sa_handler;
regs->gprs[2] = map_signal(sig);
@@ -549,7 +556,10 @@
/* Set up registers for signal handler */
regs->gprs[15] = (__force __u64) frame;
- regs->psw.mask |= PSW_MASK_BA; /* force amode 31 */
+ /* Force 31 bit amode and default user address space control. */
+ regs->psw.mask = PSW_MASK_BA |
+ (psw_user_bits & PSW_MASK_ASC) |
+ (regs->psw.mask & ~PSW_MASK_ASC);
regs->psw.addr = (__u64) ka->sa.sa_handler;
regs->gprs[2] = map_signal(sig);
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index c13a2a3..d1259d8 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -136,6 +136,10 @@
/* Use regs->psw.mask instead of psw_user_bits to preserve PER bit. */
regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) |
(user_sregs.regs.psw.mask & PSW_MASK_USER);
+ /* Check for invalid user address space control. */
+ if ((regs->psw.mask & PSW_MASK_ASC) >= (psw_kernel_bits & PSW_MASK_ASC))
+ regs->psw.mask = (psw_user_bits & PSW_MASK_ASC) |
+ (regs->psw.mask & ~PSW_MASK_ASC);
/* Check for invalid amode */
if (regs->psw.mask & PSW_MASK_EA)
regs->psw.mask |= PSW_MASK_BA;
@@ -273,7 +277,10 @@
/* Set up registers for signal handler */
regs->gprs[15] = (unsigned long) frame;
- regs->psw.mask |= PSW_MASK_EA | PSW_MASK_BA; /* 64 bit amode */
+ /* Force default amode and default user address space control. */
+ regs->psw.mask = PSW_MASK_EA | PSW_MASK_BA |
+ (psw_user_bits & PSW_MASK_ASC) |
+ (regs->psw.mask & ~PSW_MASK_ASC);
regs->psw.addr = (unsigned long) ka->sa.sa_handler | PSW_ADDR_AMODE;
regs->gprs[2] = map_signal(sig);
@@ -346,7 +353,10 @@
/* Set up registers for signal handler */
regs->gprs[15] = (unsigned long) frame;
- regs->psw.mask |= PSW_MASK_EA | PSW_MASK_BA; /* 64 bit amode */
+ /* Force default amode and default user address space control. */
+ regs->psw.mask = PSW_MASK_EA | PSW_MASK_BA |
+ (psw_user_bits & PSW_MASK_ASC) |
+ (regs->psw.mask & ~PSW_MASK_ASC);
regs->psw.addr = (unsigned long) ka->sa.sa_handler | PSW_ADDR_AMODE;
regs->gprs[2] = map_signal(sig);
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 54d93f4..dd55f7c 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -40,6 +40,7 @@
static struct mask_info core_info;
cpumask_t cpu_core_map[NR_CPUS];
unsigned char cpu_core_id[NR_CPUS];
+unsigned char cpu_socket_id[NR_CPUS];
static struct mask_info book_info;
cpumask_t cpu_book_map[NR_CPUS];
@@ -83,11 +84,12 @@
cpumask_set_cpu(lcpu, &book->mask);
cpu_book_id[lcpu] = book->id;
cpumask_set_cpu(lcpu, &core->mask);
+ cpu_core_id[lcpu] = rcpu;
if (one_core_per_cpu) {
- cpu_core_id[lcpu] = rcpu;
+ cpu_socket_id[lcpu] = rcpu;
core = core->next;
} else {
- cpu_core_id[lcpu] = core->id;
+ cpu_socket_id[lcpu] = core->id;
}
smp_cpu_set_polarization(lcpu, tl_cpu->pp);
}
diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c
index 8b82853..1f5315d1 100644
--- a/arch/s390/mm/gup.c
+++ b/arch/s390/mm/gup.c
@@ -180,8 +180,7 @@
addr = start;
len = (unsigned long) nr_pages << PAGE_SHIFT;
end = start + len;
- if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ,
- (void __user *)start, len)))
+ if ((end < start) || (end > TASK_SIZE))
return 0;
local_irq_save(flags);
@@ -229,7 +228,7 @@
addr = start;
len = (unsigned long) nr_pages << PAGE_SHIFT;
end = start + len;
- if (end < start)
+ if ((end < start) || (end > TASK_SIZE))
goto slow_irqon;
/*
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index 4f93a43..a285e78 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -13,6 +13,8 @@
select GENERIC_CLOCKEVENTS
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_REL
+ select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
choice
prompt "System type"
diff --git a/arch/score/include/asm/processor.h b/arch/score/include/asm/processor.h
index ab3aceb..d9a922d 100644
--- a/arch/score/include/asm/processor.h
+++ b/arch/score/include/asm/processor.h
@@ -13,7 +13,6 @@
*/
extern void (*cpu_wait)(void);
-extern long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
extern unsigned long thread_saved_pc(struct task_struct *tsk);
extern void start_thread(struct pt_regs *regs,
unsigned long pc, unsigned long sp);
diff --git a/arch/score/include/asm/syscalls.h b/arch/score/include/asm/syscalls.h
index 1dd5e0d..8d33253 100644
--- a/arch/score/include/asm/syscalls.h
+++ b/arch/score/include/asm/syscalls.h
@@ -2,7 +2,6 @@
#define _ASM_SCORE_SYSCALLS_H
asmlinkage long score_clone(struct pt_regs *regs);
-asmlinkage long score_execve(struct pt_regs *regs);
asmlinkage long score_sigaltstack(struct pt_regs *regs);
asmlinkage long score_rt_sigreturn(struct pt_regs *regs);
diff --git a/arch/score/include/asm/unistd.h b/arch/score/include/asm/unistd.h
index a862384..b006ca4 100644
--- a/arch/score/include/asm/unistd.h
+++ b/arch/score/include/asm/unistd.h
@@ -4,5 +4,6 @@
#define __ARCH_WANT_SYSCALL_NO_FLAGS
#define __ARCH_WANT_SYSCALL_OFF_T
#define __ARCH_WANT_SYSCALL_DEPRECATED
+#define __ARCH_WANT_SYS_EXECVE
#include <asm-generic/unistd.h>
diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S
index 83bb960..da99010 100644
--- a/arch/score/kernel/entry.S
+++ b/arch/score/kernel/entry.S
@@ -278,6 +278,13 @@
nop
#endif
+ENTRY(ret_from_kernel_thread)
+ bl schedule_tail # r4=struct task_struct *prev
+ nop
+ mv r4, r13
+ brl r12
+ j syscall_exit
+
ENTRY(ret_from_fork)
bl schedule_tail # r4=struct task_struct *prev
@@ -480,11 +487,6 @@
sw r9, [r0, PT_R7]
j syscall_return
-ENTRY(sys_execve)
- mv r4, r0
- la r8, score_execve
- br r8
-
ENTRY(sys_clone)
mv r4, r0
la r8, score_clone
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
index 637970c..6f311cf 100644
--- a/arch/score/kernel/process.c
+++ b/arch/score/kernel/process.c
@@ -60,6 +60,7 @@
}
void ret_from_fork(void);
+void ret_from_kernel_thread(void);
void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp)
{
@@ -86,29 +87,27 @@
* set up the kernel stack and exception frames for a new process
*/
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long unused,
+ unsigned long arg,
struct task_struct *p, struct pt_regs *regs)
{
struct thread_info *ti = task_thread_info(p);
struct pt_regs *childregs = task_pt_regs(p);
- p->set_child_tid = NULL;
- p->clear_child_tid = NULL;
-
- *childregs = *regs;
- childregs->regs[7] = 0; /* Clear error flag */
- childregs->regs[4] = 0; /* Child gets zero as return value */
- regs->regs[4] = p->pid;
-
- if (childregs->cp0_psr & 0x8) { /* test kernel fork or user fork */
- childregs->regs[0] = usp; /* user fork */
+ p->thread.reg0 = (unsigned long) childregs;
+ if (unlikely(!regs)) {
+ memset(childregs, 0, sizeof(struct pt_regs));
+ p->thread->reg12 = usp;
+ p->thread->reg13 = arg;
+ p->thread.reg3 = (unsigned long) ret_from_kernel_thread;
} else {
- childregs->regs[28] = (unsigned long) ti; /* kernel fork */
- childregs->regs[0] = (unsigned long) childregs;
+ *childregs = *regs;
+ childregs->regs[7] = 0; /* Clear error flag */
+ childregs->regs[4] = 0; /* Child gets zero as return value */
+ childregs->regs[0] = usp; /* user fork */
+ regs->regs[4] = p->pid; /* WTF? */
+ p->thread.reg3 = (unsigned long) ret_from_fork;
}
- p->thread.reg0 = (unsigned long) childregs;
- p->thread.reg3 = (unsigned long) ret_from_fork;
p->thread.cp0_psr = 0;
return 0;
@@ -120,32 +119,6 @@
return 1;
}
-static void __noreturn
-kernel_thread_helper(void *unused0, int (*fn)(void *),
- void *arg, void *unused1)
-{
- do_exit(fn(arg));
-}
-
-/*
- * Create a kernel thread.
- */
-long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
-{
- struct pt_regs regs;
-
- memset(®s, 0, sizeof(regs));
-
- regs.regs[6] = (unsigned long) arg;
- regs.regs[5] = (unsigned long) fn;
- regs.cp0_epc = (unsigned long) kernel_thread_helper;
- regs.cp0_psr = (regs.cp0_psr & ~(0x1|0x4|0x8)) | \
- ((regs.cp0_psr & 0x3) << 2);
-
- return do_fork(flags | CLONE_VM | CLONE_UNTRACED, \
- 0, ®s, 0, NULL, NULL);
-}
-
unsigned long thread_saved_pc(struct task_struct *tsk)
{
return task_pt_regs(tsk)->cp0_epc;
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index c268bbf..02353bd 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -148,7 +148,6 @@
{
struct rt_sigframe __user *frame;
sigset_t set;
- stack_t st;
int sig;
/* Always make any pending restarted system calls return -EINTR */
@@ -168,12 +167,10 @@
else if (sig)
force_sig(sig, current);
- if (__copy_from_user(&st, &frame->rs_uc.uc_stack, sizeof(st)))
- goto badframe;
-
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- do_sigaltstack((stack_t __user *)&st, NULL, regs->regs[0]);
+ if (do_sigaltstack(&frame->rs_uc.uc_stack, NULL, regs->regs[0]) == -EFAULT)
+ goto badframe;
regs->is_syscall = 0;
__asm__ __volatile__(
diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c
index d45cf00..c54434c 100644
--- a/arch/score/kernel/sys_score.c
+++ b/arch/score/kernel/sys_score.c
@@ -83,57 +83,3 @@
return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
regs->regs[0], regs, 0, NULL, NULL);
}
-
-/*
- * sys_execve() executes a new program.
- * This is called indirectly via a small wrapper
- */
-asmlinkage long
-score_execve(struct pt_regs *regs)
-{
- int error;
- struct filename *filename;
-
- filename = getname((char __user*)regs->regs[4]);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- return error;
-
- error = do_execve(filename->name,
- (const char __user *const __user *)regs->regs[5],
- (const char __user *const __user *)regs->regs[6],
- regs);
-
- putname(filename);
- return error;
-}
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-asmlinkage
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- register unsigned long __r4 asm("r4") = (unsigned long) filename;
- register unsigned long __r5 asm("r5") = (unsigned long) argv;
- register unsigned long __r6 asm("r6") = (unsigned long) envp;
- register unsigned long __r7 asm("r7");
-
- __asm__ __volatile__ (" \n"
- "ldi r27, %5 \n"
- "syscall \n"
- "mv %0, r4 \n"
- "mv %1, r7 \n"
- : "=&r" (__r4), "=r" (__r7)
- : "r" (__r4), "r" (__r5), "r" (__r6), "i" (__NR_execve)
- : "r8", "r9", "r10", "r11", "r22", "r23", "r24", "r25",
- "r26", "r27", "memory");
-
- if (__r7 == 0)
- return __r4;
-
- return -__r4;
-}
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index babc2b8..8451317 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -40,6 +40,8 @@
select GENERIC_STRNLEN_USER
select HAVE_MOD_ARCH_SPECIFIC if DWARF_UNWINDER
select MODULES_USE_ELF_RELA
+ select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index b6311fd..b1320d5 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -126,11 +126,6 @@
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
-/*
- * create a kernel thread without removing it from tasklists
- */
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
/* Copy and release all segment info associated with a VM */
#define copy_segments(p, mm) do { } while(0)
#define release_segments(mm) do { } while(0)
diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h
index cd6029f..1ee8946 100644
--- a/arch/sh/include/asm/processor_64.h
+++ b/arch/sh/include/asm/processor_64.h
@@ -159,11 +159,6 @@
/* Free all resources held by a thread. */
extern void release_thread(struct task_struct *);
-/*
- * create a kernel thread without removing it from tasklists
- */
-extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
-
/* Copy and release all segment info associated with a VM */
#define copy_segments(p, mm) do { } while (0)
diff --git a/arch/sh/include/asm/syscalls_32.h b/arch/sh/include/asm/syscalls_32.h
index 6c1fa55..d2f89f1 100644
--- a/arch/sh/include/asm/syscalls_32.h
+++ b/arch/sh/include/asm/syscalls_32.h
@@ -19,10 +19,6 @@
asmlinkage int sys_vfork(unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7,
struct pt_regs __regs);
-asmlinkage int sys_execve(const char __user *ufilename,
- const char __user *const __user *uargv,
- const char __user *const __user *uenvp,
- unsigned long r7, struct pt_regs __regs);
asmlinkage int sys_sigsuspend(old_sigset_t mask);
asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act,
struct old_sigaction __user *oact);
diff --git a/arch/sh/include/asm/syscalls_64.h b/arch/sh/include/asm/syscalls_64.h
index ee519f4..3fedd9f 100644
--- a/arch/sh/include/asm/syscalls_64.h
+++ b/arch/sh/include/asm/syscalls_64.h
@@ -21,10 +21,6 @@
unsigned long r4, unsigned long r5,
unsigned long r6, unsigned long r7,
struct pt_regs *pregs);
-asmlinkage int sys_execve(const char *ufilename, char **uargv,
- char **uenvp, unsigned long r5,
- unsigned long r6, unsigned long r7,
- struct pt_regs *pregs);
/* Misc syscall related bits */
asmlinkage long long do_syscall_trace_enter(struct pt_regs *regs);
diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h
index 38956df..f1f4775 100644
--- a/arch/sh/include/asm/unistd.h
+++ b/arch/sh/include/asm/unistd.h
@@ -28,6 +28,7 @@
# define __ARCH_WANT_SYS_SIGPENDING
# define __ARCH_WANT_SYS_SIGPROCMASK
# define __ARCH_WANT_SYS_RT_SIGACTION
+# define __ARCH_WANT_SYS_EXECVE
/*
* "Conditional" syscalls
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 88571ff..f259b37 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -16,7 +16,7 @@
machvec.o nmi_debug.o process.o \
process_$(BITS).o ptrace.o ptrace_$(BITS).o \
reboot.o return_address.o \
- setup.o signal_$(BITS).o sys_sh.o sys_sh$(BITS).o \
+ setup.o signal_$(BITS).o sys_sh.o \
syscalls_$(BITS).o time.o topology.o traps.o \
traps_$(BITS).o unwinder.o
@@ -25,6 +25,7 @@
obj-$(CONFIG_HAS_IOPORT) += ioport.o
endif
+obj-$(CONFIG_SUPERH32) += sys_sh32.o
obj-y += cpu/
obj-$(CONFIG_VSYSCALL) += vsyscall/
obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
index 7e605b9..0c8d037 100644
--- a/arch/sh/kernel/cpu/sh5/entry.S
+++ b/arch/sh/kernel/cpu/sh5/entry.S
@@ -1228,6 +1228,25 @@
pta ret_from_syscall, tr0
blink tr0, ZERO
+.global ret_from_kernel_thread
+ret_from_kernel_thread:
+
+ movi schedule_tail,r5
+ ori r5, 1, r5
+ ptabs r5, tr0
+ blink tr0, LINK
+
+ ld.q SP, FRAME_R(2), r2
+ ld.q SP, FRAME_R(3), r3
+ ptabs r3, tr0
+ blink tr0, LINK
+
+ ld.q SP, FRAME_S(FSPC), r2
+ addi r2, 4, r2 /* Move PC, being pre-execution event */
+ st.q SP, FRAME_S(FSPC), r2
+ pta ret_from_syscall, tr0
+ blink tr0, ZERO
+
syscall_allowed:
/* Use LINK to deflect the exit point, default is syscall_ret */
pta syscall_ret, tr0
diff --git a/arch/sh/kernel/entry-common.S b/arch/sh/kernel/entry-common.S
index b96489d..9b6e4be 100644
--- a/arch/sh/kernel/entry-common.S
+++ b/arch/sh/kernel/entry-common.S
@@ -297,6 +297,19 @@
mov r0, r4
bra syscall_exit
nop
+
+ .align 2
+ .globl ret_from_kernel_thread
+ret_from_kernel_thread:
+ mov.l 1f, r8
+ jsr @r8
+ mov r0, r4
+ mov.l @(OFF_R5,r15), r5 ! fn
+ jsr @r5
+ mov.l @(OFF_R4,r15), r4 ! arg
+ bra syscall_exit
+ nop
+
.align 2
1: .long schedule_tail
diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index ba7345f..fce8029 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -68,38 +68,6 @@
show_code(regs);
}
-/*
- * Create a kernel thread
- */
-__noreturn void kernel_thread_helper(void *arg, int (*fn)(void *))
-{
- do_exit(fn(arg));
-}
-
-/* Don't use this in BL=1(cli). Or else, CPU resets! */
-int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
- struct pt_regs regs;
- int pid;
-
- memset(®s, 0, sizeof(regs));
- regs.regs[4] = (unsigned long)arg;
- regs.regs[5] = (unsigned long)fn;
-
- regs.pc = (unsigned long)kernel_thread_helper;
- regs.sr = SR_MD;
-#if defined(CONFIG_SH_FPU)
- regs.sr |= SR_FD;
-#endif
-
- /* Ok, create the new process.. */
- pid = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
- ®s, 0, NULL, NULL);
-
- return pid;
-}
-EXPORT_SYMBOL(kernel_thread);
-
void start_thread(struct pt_regs *regs, unsigned long new_pc,
unsigned long new_sp)
{
@@ -157,9 +125,10 @@
EXPORT_SYMBOL(dump_fpu);
asmlinkage void ret_from_fork(void);
+asmlinkage void ret_from_kernel_thread(void);
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long unused,
+ unsigned long arg,
struct task_struct *p, struct pt_regs *regs)
{
struct thread_info *ti = task_thread_info(p);
@@ -177,29 +146,34 @@
}
#endif
- childregs = task_pt_regs(p);
- *childregs = *regs;
+ memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps));
- if (user_mode(regs)) {
- childregs->regs[15] = usp;
- ti->addr_limit = USER_DS;
- } else {
- childregs->regs[15] = (unsigned long)childregs;
+ childregs = task_pt_regs(p);
+ p->thread.sp = (unsigned long) childregs;
+ if (unlikely(p->flags & PF_KTHREAD)) {
+ memset(childregs, 0, sizeof(struct pt_regs));
+ p->thread.pc = (unsigned long) ret_from_kernel_thread;
+ childregs->regs[4] = arg;
+ childregs->regs[5] = usp;
+ childregs->sr = SR_MD;
+#if defined(CONFIG_SH_FPU)
+ childregs->sr |= SR_FD;
+#endif
ti->addr_limit = KERNEL_DS;
ti->status &= ~TS_USEDFPU;
p->fpu_counter = 0;
+ return 0;
}
+ *childregs = *regs;
+
+ childregs->regs[15] = usp;
+ ti->addr_limit = USER_DS;
if (clone_flags & CLONE_SETTLS)
childregs->gbr = childregs->regs[0];
childregs->regs[0] = 0; /* Set return value for child */
-
- p->thread.sp = (unsigned long) childregs;
p->thread.pc = (unsigned long) ret_from_fork;
-
- memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps));
-
return 0;
}
@@ -288,29 +262,6 @@
0, NULL, NULL);
}
-/*
- * sys_execve() executes a new program.
- */
-asmlinkage int sys_execve(const char __user *ufilename,
- const char __user *const __user *uargv,
- const char __user *const __user *uenvp,
- unsigned long r7, struct pt_regs __regs)
-{
- struct pt_regs *regs = RELOC_HIDE(&__regs, 0);
- int error;
- struct filename *filename;
-
- filename = getname(ufilename);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
-
- error = do_execve(filename->name, uargv, uenvp, regs);
- putname(filename);
-out:
- return error;
-}
-
unsigned long get_wchan(struct task_struct *p)
{
unsigned long pc;
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 98a709f..3a0f3fd 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -285,39 +285,6 @@
}
/*
- * Create a kernel thread
- */
-__noreturn void kernel_thread_helper(void *arg, int (*fn)(void *))
-{
- do_exit(fn(arg));
-}
-
-/*
- * This is the mechanism for creating a new kernel thread.
- *
- * NOTE! Only a kernel-only process(ie the swapper or direct descendants
- * who haven't done an "execve()") should use this: it will work within
- * a system call from a "real" process, but the process memory space will
- * not be freed until both the parent and the child have exited.
- */
-int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
-{
- struct pt_regs regs;
-
- memset(®s, 0, sizeof(regs));
- regs.regs[2] = (unsigned long)arg;
- regs.regs[3] = (unsigned long)fn;
-
- regs.pc = (unsigned long)kernel_thread_helper;
- regs.sr = (1 << 30);
-
- /* Ok, create the new process.. */
- return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
- ®s, 0, NULL, NULL);
-}
-EXPORT_SYMBOL(kernel_thread);
-
-/*
* Free current thread data structures etc..
*/
void exit_thread(void)
@@ -401,15 +368,17 @@
EXPORT_SYMBOL(dump_fpu);
asmlinkage void ret_from_fork(void);
+asmlinkage void ret_from_kernel_thread(void);
int copy_thread(unsigned long clone_flags, unsigned long usp,
- unsigned long unused,
+ unsigned long arg,
struct task_struct *p, struct pt_regs *regs)
{
struct pt_regs *childregs;
#ifdef CONFIG_SH_FPU
- if(last_task_used_math == current) {
+ /* can't happen for a kernel thread */
+ if (last_task_used_math == current) {
enable_fpu();
save_fpu(current);
disable_fpu();
@@ -419,7 +388,17 @@
#endif
/* Copy from sh version */
childregs = (struct pt_regs *)(THREAD_SIZE + task_stack_page(p)) - 1;
+ p->thread.sp = (unsigned long) childregs;
+ if (unlikely(p->flags & PF_KTHREAD)) {
+ memset(childregs, 0, sizeof(struct pt_regs));
+ childregs->regs[2] = (unsigned long)arg;
+ childregs->regs[3] = (unsigned long)fn;
+ childregs->sr = (1 << 30); /* not user_mode */
+ childregs->sr |= SR_FD; /* Invalidate FPU flag */
+ p->thread.pc = (unsigned long) ret_from_kernel_thread;
+ return 0;
+ }
*childregs = *regs;
/*
@@ -428,19 +407,12 @@
* 32-bit wide and context switch must take care
* of NEFF sign extension.
*/
- if (user_mode(regs)) {
- childregs->regs[15] = neff_sign_extend(usp);
- p->thread.uregs = childregs;
- } else {
- childregs->regs[15] =
- neff_sign_extend((unsigned long)task_stack_page(p) +
- THREAD_SIZE);
- }
+ childregs->regs[15] = neff_sign_extend(usp);
+ p->thread.uregs = childregs;
childregs->regs[9] = 0; /* Set return value for child */
childregs->sr |= SR_FD; /* Invalidate FPU flag */
- p->thread.sp = (unsigned long) childregs;
p->thread.pc = (unsigned long) ret_from_fork;
return 0;
@@ -482,31 +454,6 @@
return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, pregs->regs[15], pregs, 0, 0, 0);
}
-/*
- * sys_execve() executes a new program.
- */
-asmlinkage int sys_execve(const char *ufilename, char **uargv,
- char **uenvp, unsigned long r5,
- unsigned long r6, unsigned long r7,
- struct pt_regs *pregs)
-{
- int error;
- struct filename *filename;
-
- filename = getname((char __user *)ufilename);
- error = PTR_ERR(filename);
- if (IS_ERR(filename))
- goto out;
-
- error = do_execve(filename->name,
- (const char __user *const __user *)uargv,
- (const char __user *const __user *)uenvp,
- pregs);
- putname(filename);
-out:
- return error;
-}
-
#ifdef CONFIG_FRAME_POINTER
static int in_sh64_switch_to(unsigned long pc)
{
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index 2385381..d867cd9 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -347,7 +347,6 @@
{
struct rt_sigframe __user *frame = (struct rt_sigframe __user *) (long) REF_REG_SP;
sigset_t set;
- stack_t __user st;
long long ret;
/* Always make any pending restarted system calls return -EINTR */
@@ -365,11 +364,10 @@
goto badframe;
regs->pc -= 4;
- if (__copy_from_user(&st, &frame->uc.uc_stack, sizeof(st)))
- goto badframe;
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
- do_sigaltstack(&st, NULL, REF_REG_SP);
+ if (do_sigaltstack(&frame->uc.uc_stack, NULL, REF_REG_SP) == -EFAULT)
+ goto badframe;
return (int) ret;
diff --git a/arch/sh/kernel/sys_sh32.c b/arch/sh/kernel/sys_sh32.c
index f56b6fe5..497bab3 100644
--- a/arch/sh/kernel/sys_sh32.c
+++ b/arch/sh/kernel/sys_sh32.c
@@ -60,27 +60,3 @@
(u64)len0 << 32 | len1, advice);
#endif
}
-
-#if defined(CONFIG_CPU_SH2) || defined(CONFIG_CPU_SH2A)
-#define SYSCALL_ARG3 "trapa #0x23"
-#else
-#define SYSCALL_ARG3 "trapa #0x13"
-#endif
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- register long __sc0 __asm__ ("r3") = __NR_execve;
- register long __sc4 __asm__ ("r4") = (long) filename;
- register long __sc5 __asm__ ("r5") = (long) argv;
- register long __sc6 __asm__ ("r6") = (long) envp;
- __asm__ __volatile__ (SYSCALL_ARG3 : "=z" (__sc0)
- : "0" (__sc0), "r" (__sc4), "r" (__sc5), "r" (__sc6)
- : "memory");
- return __sc0;
-}
diff --git a/arch/sh/kernel/sys_sh64.c b/arch/sh/kernel/sys_sh64.c
deleted file mode 100644
index c5a38c4..0000000
--- a/arch/sh/kernel/sys_sh64.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * arch/sh/kernel/sys_sh64.c
- *
- * Copyright (C) 2000, 2001 Paolo Alberelli
- *
- * This file contains various random system calls that
- * have a non-standard calling sequence on the Linux/SH5
- * platform.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/errno.h>
-#include <linux/rwsem.h>
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <linux/fs.h>
-#include <linux/smp.h>
-#include <linux/sem.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/stat.h>
-#include <linux/mman.h>
-#include <linux/file.h>
-#include <linux/syscalls.h>
-#include <linux/ipc.h>
-#include <asm/uaccess.h>
-#include <asm/ptrace.h>
-#include <asm/unistd.h>
-
-/*
- * Do a system call from kernel instead of calling sys_execve so we
- * end up with proper pt_regs.
- */
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- register unsigned long __sc0 __asm__ ("r9") = ((0x13 << 16) | __NR_execve);
- register unsigned long __sc2 __asm__ ("r2") = (unsigned long) filename;
- register unsigned long __sc3 __asm__ ("r3") = (unsigned long) argv;
- register unsigned long __sc4 __asm__ ("r4") = (unsigned long) envp;
- __asm__ __volatile__ ("trapa %1 !\t\t\t execve(%2,%3,%4)"
- : "=r" (__sc0)
- : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) );
- __asm__ __volatile__ ("!dummy %0 %1 %2 %3"
- : : "r" (__sc0), "r" (__sc2), "r" (__sc3), "r" (__sc4) : "memory");
- return __sc0;
-}
diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h
index f930031..67c6257 100644
--- a/arch/sparc/include/asm/prom.h
+++ b/arch/sparc/include/asm/prom.h
@@ -63,10 +63,13 @@
extern void irq_trans_init(struct device_node *dp);
extern char *build_path_component(struct device_node *dp);
-/* SPARC has a local implementation */
+/* SPARC has local implementations */
extern int of_address_to_resource(struct device_node *dev, int index,
struct resource *r);
#define of_address_to_resource of_address_to_resource
+void __iomem *of_iomap(struct device_node *node, int index);
+#define of_iomap of_iomap
+
#endif /* __KERNEL__ */
#endif /* _SPARC_PROM_H */
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 867de2f..689e1ba 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -295,9 +295,7 @@
err |= restore_fpu_state(regs, fpu_save);
err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
- err |= do_sigaltstack(&sf->stack, NULL, (unsigned long)sf);
-
- if (err)
+ if (err || do_sigaltstack(&sf->stack, NULL, (unsigned long)sf) == -EFAULT)
goto segv;
err |= __get_user(rwin_save, &sf->rwin_save);
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 3a8ece7..0d7103c 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -32,13 +32,14 @@
"err = %d\n", ret);
force_sig(SIGKILL, current);
}
+ get_safe_registers(current_pt_regs()->regs.gp,
+ current_pt_regs()->regs.fp);
__switch_mm(¤t->mm->context.id);
}
void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
{
- get_safe_registers(regs->regs.gp, regs->regs.fp);
PT_REGS_IP(regs) = eip;
PT_REGS_SP(regs) = esp;
current->ptrace &= ~PT_DTRACE;
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index b6d699c..c502c80 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -171,7 +171,7 @@
p->thread = (struct thread_struct) INIT_THREAD;
if (!kthread) {
- memcpy(&p->thread.regs.regs, ®s->regs,
+ memcpy(&p->thread.regs.regs, current_pt_regs(),
sizeof(p->thread.regs.regs));
PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0);
if (sp != 0)
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index a81f370..3a87522 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -16,23 +16,19 @@
long sys_fork(void)
{
- return do_fork(SIGCHLD, UPT_SP(¤t->thread.regs.regs),
+ return do_fork(SIGCHLD, 0,
¤t->thread.regs, 0, NULL, NULL);
}
long sys_vfork(void)
{
- return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
- UPT_SP(¤t->thread.regs.regs),
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0,
¤t->thread.regs, 0, NULL, NULL);
}
long sys_clone(unsigned long clone_flags, unsigned long newsp,
void __user *parent_tid, void __user *child_tid)
{
- if (!newsp)
- newsp = UPT_SP(¤t->thread.regs.regs);
-
return do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid,
child_tid);
}
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index fda37c9..c4fbb21 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -221,7 +221,7 @@
bool
depends on !ARCH_FPGA
select GENERIC_GPIO
- select GPIO_SYSFS if EXPERIMENTAL
+ select GPIO_SYSFS
default y
if PUV3_NB0916
diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index c760e07..e87b0ca 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -12,6 +12,8 @@
#include <asm/setup.h>
#include <asm/desc.h>
+#undef memcpy /* Use memcpy from misc.c */
+
#include "eboot.h"
static efi_system_table_t *sys_table;
diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S
index 2a01744..8c132a6 100644
--- a/arch/x86/boot/header.S
+++ b/arch/x86/boot/header.S
@@ -476,6 +476,3 @@
setup_corrupt:
.byte 7
.string "No setup signature found...\n"
-
- .data
-dummy: .long 0
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index dcfde52..19f16eb 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -205,21 +205,14 @@
}
#endif
-/*
- * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode
- * when it traps. The previous stack will be directly underneath the saved
- * registers, and 'sp/ss' won't even have been saved. Thus the '®s->sp'.
- *
- * This is valid only for kernel mode traps.
- */
+#ifdef CONFIG_X86_32
+extern unsigned long kernel_stack_pointer(struct pt_regs *regs);
+#else
static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
{
-#ifdef CONFIG_X86_32
- return (unsigned long)(®s->sp);
-#else
return regs->sp;
-#endif
}
+#endif
#define GET_IP(regs) ((regs)->ip)
#define GET_FP(regs) ((regs)->bp)
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index f7e98a2..1b7d165 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -631,6 +631,20 @@
}
}
+ /*
+ * The way access filter has a performance penalty on some workloads.
+ * Disable it on the affected CPUs.
+ */
+ if ((c->x86 == 0x15) &&
+ (c->x86_model >= 0x02) && (c->x86_model < 0x20)) {
+ u64 val;
+
+ if (!rdmsrl_safe(0xc0011021, &val) && !(val & 0x1E)) {
+ val |= 0x1E;
+ wrmsrl_safe(0xc0011021, val);
+ }
+ }
+
cpu_detect_cache_sizes(c);
/* Multi core CPU? */
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 698b6ec..1ac581f 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -6,7 +6,7 @@
*
* Written by Jacob Shin - AMD, Inc.
*
- * Support: borislav.petkov@amd.com
+ * Maintained by: Borislav Petkov <bp@alien8.de>
*
* April 2006
* - added support for AMD Family 0x10 processors
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index 5f88abf..4f9a3cb 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -285,34 +285,39 @@
raw_spin_unlock_irqrestore(&cmci_discover_lock, flags);
}
+static long cmci_rediscover_work_func(void *arg)
+{
+ int banks;
+
+ /* Recheck banks in case CPUs don't all have the same */
+ if (cmci_supported(&banks))
+ cmci_discover(banks);
+
+ return 0;
+}
+
/*
* After a CPU went down cycle through all the others and rediscover
* Must run in process context.
*/
void cmci_rediscover(int dying)
{
- int banks;
- int cpu;
- cpumask_var_t old;
+ int cpu, banks;
if (!cmci_supported(&banks))
return;
- if (!alloc_cpumask_var(&old, GFP_KERNEL))
- return;
- cpumask_copy(old, ¤t->cpus_allowed);
for_each_online_cpu(cpu) {
if (cpu == dying)
continue;
- if (set_cpus_allowed_ptr(current, cpumask_of(cpu)))
- continue;
- /* Recheck banks in case CPUs don't all have the same */
- if (cmci_supported(&banks))
- cmci_discover(banks);
- }
- set_cpus_allowed_ptr(current, old);
- free_cpumask_var(old);
+ if (cpu == smp_processor_id()) {
+ cmci_rediscover_work_func(NULL);
+ continue;
+ }
+
+ work_on_cpu(cpu, cmci_rediscover_work_func, NULL);
+ }
}
/*
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index b51b2c7..1328fe4 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -995,8 +995,8 @@
*/
.p2align CONFIG_X86_L1_CACHE_SHIFT
common_interrupt:
- ASM_CLAC
XCPT_FRAME
+ ASM_CLAC
addq $-0x80,(%rsp) /* Adjust vector to [-256,-1] range */
interrupt do_IRQ
/* 0(%rsp): old_rsp-ARGOFFSET */
@@ -1135,8 +1135,8 @@
*/
.macro apicinterrupt num sym do_sym
ENTRY(\sym)
- ASM_CLAC
INTR_FRAME
+ ASM_CLAC
pushq_cfi $~(\num)
.Lcommon_\sym:
interrupt \do_sym
@@ -1190,8 +1190,8 @@
*/
.macro zeroentry sym do_sym
ENTRY(\sym)
- ASM_CLAC
INTR_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */
subq $ORIG_RAX-R15, %rsp
@@ -1208,8 +1208,8 @@
.macro paranoidzeroentry sym do_sym
ENTRY(\sym)
- ASM_CLAC
INTR_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */
subq $ORIG_RAX-R15, %rsp
@@ -1227,8 +1227,8 @@
#define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8)
.macro paranoidzeroentry_ist sym do_sym ist
ENTRY(\sym)
- ASM_CLAC
INTR_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */
subq $ORIG_RAX-R15, %rsp
@@ -1247,8 +1247,8 @@
.macro errorentry sym do_sym
ENTRY(\sym)
- ASM_CLAC
XCPT_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
subq $ORIG_RAX-R15, %rsp
CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
@@ -1266,8 +1266,8 @@
/* error code is on the stack already */
.macro paranoiderrorentry sym do_sym
ENTRY(\sym)
- ASM_CLAC
XCPT_FRAME
+ ASM_CLAC
PARAVIRT_ADJUST_EXCEPTION_FRAME
subq $ORIG_RAX-R15, %rsp
CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 7720ff5..efdec7c 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -8,8 +8,8 @@
* Tigran Aivazian <tigran@aivazian.fsnet.co.uk>
*
* Maintainers:
- * Andreas Herrmann <andreas.herrmann3@amd.com>
- * Borislav Petkov <borislav.petkov@amd.com>
+ * Andreas Herrmann <herrmann.der.user@googlemail.com>
+ * Borislav Petkov <bp@alien8.de>
*
* This driver allows to upgrade microcode on F10h AMD
* CPUs and later.
@@ -190,6 +190,7 @@
#define F1XH_MPB_MAX_SIZE 2048
#define F14H_MPB_MAX_SIZE 1824
#define F15H_MPB_MAX_SIZE 4096
+#define F16H_MPB_MAX_SIZE 3458
switch (c->x86) {
case 0x14:
@@ -198,6 +199,9 @@
case 0x15:
max_size = F15H_MPB_MAX_SIZE;
break;
+ case 0x16:
+ max_size = F16H_MPB_MAX_SIZE;
+ break;
default:
max_size = F1XH_MPB_MAX_SIZE;
break;
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index b00b33a..5e0596b 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -22,6 +22,7 @@
#include <linux/perf_event.h>
#include <linux/hw_breakpoint.h>
#include <linux/rcupdate.h>
+#include <linux/module.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@@ -166,6 +167,35 @@
#define FLAG_MASK FLAG_MASK_32
+/*
+ * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode
+ * when it traps. The previous stack will be directly underneath the saved
+ * registers, and 'sp/ss' won't even have been saved. Thus the '®s->sp'.
+ *
+ * Now, if the stack is empty, '®s->sp' is out of range. In this
+ * case we try to take the previous stack. To always return a non-null
+ * stack pointer we fall back to regs as stack if no previous stack
+ * exists.
+ *
+ * This is valid only for kernel mode traps.
+ */
+unsigned long kernel_stack_pointer(struct pt_regs *regs)
+{
+ unsigned long context = (unsigned long)regs & ~(THREAD_SIZE - 1);
+ unsigned long sp = (unsigned long)®s->sp;
+ struct thread_info *tinfo;
+
+ if (context == (sp & ~(THREAD_SIZE - 1)))
+ return sp;
+
+ tinfo = (struct thread_info *)context;
+ if (tinfo->previous_esp)
+ return tinfo->previous_esp;
+
+ return (unsigned long)regs;
+}
+EXPORT_SYMBOL_GPL(kernel_stack_pointer);
+
static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long regno)
{
BUILD_BUG_ON(offsetof(struct pt_regs, bx) != 0);
diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
index a10e460..58fc514 100644
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -24,6 +24,9 @@
{
struct kvm_cpuid_entry2 *best;
+ if (!static_cpu_has(X86_FEATURE_XSAVE))
+ return 0;
+
best = kvm_find_cpuid_entry(vcpu, 1, 0);
return best && (best->ecx & bit(X86_FEATURE_XSAVE));
}
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index ad6b1dd..f858159 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6549,19 +6549,22 @@
}
}
- exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
/* Exposing INVPCID only when PCID is exposed */
best = kvm_find_cpuid_entry(vcpu, 0x7, 0);
if (vmx_invpcid_supported() &&
best && (best->ebx & bit(X86_FEATURE_INVPCID)) &&
guest_cpuid_has_pcid(vcpu)) {
+ exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
exec_control |= SECONDARY_EXEC_ENABLE_INVPCID;
vmcs_write32(SECONDARY_VM_EXEC_CONTROL,
exec_control);
} else {
- exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID;
- vmcs_write32(SECONDARY_VM_EXEC_CONTROL,
- exec_control);
+ if (cpu_has_secondary_exec_ctrls()) {
+ exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
+ exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID;
+ vmcs_write32(SECONDARY_VM_EXEC_CONTROL,
+ exec_control);
+ }
if (best)
best->ebx &= ~bit(X86_FEATURE_INVPCID);
}
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 224a7e7..4f76417 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5781,6 +5781,9 @@
int pending_vec, max_bits, idx;
struct desc_ptr dt;
+ if (!guest_cpuid_has_xsave(vcpu) && (sregs->cr4 & X86_CR4_OSXSAVE))
+ return -EINVAL;
+
dt.size = sregs->idt.limit;
dt.address = sregs->idt.base;
kvm_x86_ops->set_idt(vcpu, &dt);
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 0777f04..60f926c 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -197,7 +197,7 @@
}
if (end == TLB_FLUSH_ALL || tlb_flushall_shift == -1
- || vmflag == VM_HUGETLB) {
+ || vmflag & VM_HUGETLB) {
local_flush_tlb();
goto flush_all;
}
diff --git a/arch/x86/pci/ce4100.c b/arch/x86/pci/ce4100.c
index 41bd2a2..b914e20 100644
--- a/arch/x86/pci/ce4100.c
+++ b/arch/x86/pci/ce4100.c
@@ -115,6 +115,16 @@
reg_read(reg, value);
}
+static void reg_noirq_read(struct sim_dev_reg *reg, u32 *value)
+{
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&pci_config_lock, flags);
+ /* force interrupt pin value to 0 */
+ *value = reg->sim_reg.value & 0xfff00ff;
+ raw_spin_unlock_irqrestore(&pci_config_lock, flags);
+}
+
static struct sim_dev_reg bus1_fixups[] = {
DEFINE_REG(2, 0, 0x10, (16*MB), reg_init, reg_read, reg_write)
DEFINE_REG(2, 0, 0x14, (256), reg_init, reg_read, reg_write)
@@ -144,6 +154,7 @@
DEFINE_REG(11, 5, 0x10, (64*KB), reg_init, reg_read, reg_write)
DEFINE_REG(11, 6, 0x10, (256), reg_init, reg_read, reg_write)
DEFINE_REG(11, 7, 0x10, (64*KB), reg_init, reg_read, reg_write)
+ DEFINE_REG(11, 7, 0x3c, 256, reg_init, reg_noirq_read, reg_write)
DEFINE_REG(12, 0, 0x10, (128*KB), reg_init, reg_read, reg_write)
DEFINE_REG(12, 0, 0x14, (256), reg_init, reg_read, reg_write)
DEFINE_REG(12, 1, 0x10, (1024), reg_init, reg_read, reg_write)
@@ -161,8 +172,10 @@
DEFINE_REG(16, 0, 0x10, (64*KB), reg_init, reg_read, reg_write)
DEFINE_REG(16, 0, 0x14, (64*MB), reg_init, reg_read, reg_write)
DEFINE_REG(16, 0, 0x18, (64*MB), reg_init, reg_read, reg_write)
+ DEFINE_REG(16, 0, 0x3c, 256, reg_init, reg_noirq_read, reg_write)
DEFINE_REG(17, 0, 0x10, (128*KB), reg_init, reg_read, reg_write)
DEFINE_REG(18, 0, 0x10, (1*KB), reg_init, reg_read, reg_write)
+ DEFINE_REG(18, 0, 0x3c, 256, reg_init, reg_noirq_read, reg_write)
};
static void __init init_sim_regs(void)
diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
index 4c61b52..92525cb 100644
--- a/arch/x86/platform/ce4100/ce4100.c
+++ b/arch/x86/platform/ce4100/ce4100.c
@@ -21,12 +21,25 @@
#include <asm/i8259.h>
#include <asm/io.h>
#include <asm/io_apic.h>
+#include <asm/emergency-restart.h>
static int ce4100_i8042_detect(void)
{
return 0;
}
+/*
+ * The CE4100 platform has an internal 8051 Microcontroller which is
+ * responsible for signaling to the external Power Management Unit the
+ * intention to reset, reboot or power off the system. This 8051 device has
+ * its command register mapped at I/O port 0xcf9 and the value 0x4 is used
+ * to power off the system.
+ */
+static void ce4100_power_off(void)
+{
+ outb(0x4, 0xcf9);
+}
+
#ifdef CONFIG_SERIAL_8250
static unsigned int mem_serial_in(struct uart_port *p, int offset)
@@ -139,8 +152,19 @@
x86_init.mpparse.find_smp_config = x86_init_noop;
x86_init.pci.init = ce4100_pci_init;
+ /*
+ * By default, the reboot method is ACPI which is supported by the
+ * CE4100 bootloader CEFDK using FADT.ResetReg Address and ResetValue
+ * the bootloader will however issue a system power off instead of
+ * reboot. By using BOOT_KBD we ensure proper system reboot as
+ * expected.
+ */
+ reboot_type = BOOT_KBD;
+
#ifdef CONFIG_X86_IO_APIC
x86_init.pci.init_irq = sdv_pci_init;
x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc_nocheck;
#endif
+
+ pm_power_off = ce4100_power_off;
}
diff --git a/block/blk-exec.c b/block/blk-exec.c
index 8b6dc5b..f71eac3 100644
--- a/block/blk-exec.c
+++ b/block/blk-exec.c
@@ -52,11 +52,17 @@
rq_end_io_fn *done)
{
int where = at_head ? ELEVATOR_INSERT_FRONT : ELEVATOR_INSERT_BACK;
+ bool is_pm_resume;
WARN_ON(irqs_disabled());
rq->rq_disk = bd_disk;
rq->end_io = done;
+ /*
+ * need to check this before __blk_run_queue(), because rq can
+ * be freed before that returns.
+ */
+ is_pm_resume = rq->cmd_type == REQ_TYPE_PM_RESUME;
spin_lock_irq(q->queue_lock);
@@ -71,7 +77,7 @@
__elv_add_request(q, rq, where);
__blk_run_queue(q);
/* the queue is stopped so it won't be run */
- if (rq->cmd_type == REQ_TYPE_PM_RESUME)
+ if (is_pm_resume)
q->request_fn(q);
spin_unlock_irq(q->queue_lock);
}
diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index b1ae480..b7078af 100644
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -238,7 +238,7 @@
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int ahci_suspend(struct device *dev)
{
struct ahci_platform_data *pdata = dev_get_platdata(dev);
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index fd9ecf7..5b0ba3f 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -1105,10 +1105,15 @@
struct acpi_device *acpi_dev;
struct acpi_device_power_state *states;
- if (ap->flags & ATA_FLAG_ACPI_SATA)
- ata_dev = &ap->link.device[sdev->channel];
- else
+ if (ap->flags & ATA_FLAG_ACPI_SATA) {
+ if (!sata_pmp_attached(ap))
+ ata_dev = &ap->link.device[sdev->id];
+ else
+ ata_dev = &ap->pmp_link[sdev->channel].device[sdev->id];
+ }
+ else {
ata_dev = &ap->link.device[sdev->id];
+ }
*handle = ata_dev_acpi_handle(ata_dev);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 3cc7096..f46fbd3 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2942,6 +2942,10 @@
if (xfer_mode == t->mode)
return t;
+
+ WARN_ONCE(true, "%s: unable to find timing for xfer_mode 0x%x\n",
+ __func__, xfer_mode);
+
return NULL;
}
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index e3bda074..a6df6a3 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -1052,6 +1052,8 @@
{
sdev->use_10_for_rw = 1;
sdev->use_10_for_ms = 1;
+ sdev->no_report_opcodes = 1;
+ sdev->no_write_same = 1;
/* Schedule policy is determined by ->qc_defer() callback and
* it needs to see every deferred qc. Set dev_blocked to 1 to
diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
index 26201eb..371fd2c 100644
--- a/drivers/ata/pata_arasan_cf.c
+++ b/drivers/ata/pata_arasan_cf.c
@@ -317,6 +317,12 @@
return ret;
}
+ ret = clk_set_rate(acdev->clk, 166000000);
+ if (ret) {
+ dev_warn(acdev->host->dev, "clock set rate failed");
+ return ret;
+ }
+
spin_lock_irqsave(&acdev->host->lock, flags);
/* configure CF interface clock */
writel((pdata->cf_if_clk <= CF_IF_CLK_200M) ? pdata->cf_if_clk :
@@ -908,7 +914,7 @@
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int arasan_cf_suspend(struct device *dev)
{
struct ata_host *host = dev_get_drvdata(dev);
diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c
index 0d7c4c2..400bf1c 100644
--- a/drivers/ata/sata_highbank.c
+++ b/drivers/ata/sata_highbank.c
@@ -260,7 +260,7 @@
};
MODULE_DEVICE_TABLE(of, ahci_of_match);
-static int __init ahci_highbank_probe(struct platform_device *pdev)
+static int __devinit ahci_highbank_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ahci_host_priv *hpriv;
@@ -378,7 +378,7 @@
return 0;
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int ahci_highbank_suspend(struct device *dev)
{
struct ata_host *host = dev_get_drvdata(dev);
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 44a4256..08608de 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -142,6 +142,39 @@
return 0;
}
+static int k2_sata_softreset(struct ata_link *link,
+ unsigned int *class, unsigned long deadline)
+{
+ u8 dmactl;
+ void __iomem *mmio = link->ap->ioaddr.bmdma_addr;
+
+ dmactl = readb(mmio + ATA_DMA_CMD);
+
+ /* Clear the start bit */
+ if (dmactl & ATA_DMA_START) {
+ dmactl &= ~ATA_DMA_START;
+ writeb(dmactl, mmio + ATA_DMA_CMD);
+ }
+
+ return ata_sff_softreset(link, class, deadline);
+}
+
+static int k2_sata_hardreset(struct ata_link *link,
+ unsigned int *class, unsigned long deadline)
+{
+ u8 dmactl;
+ void __iomem *mmio = link->ap->ioaddr.bmdma_addr;
+
+ dmactl = readb(mmio + ATA_DMA_CMD);
+
+ /* Clear the start bit */
+ if (dmactl & ATA_DMA_START) {
+ dmactl &= ~ATA_DMA_START;
+ writeb(dmactl, mmio + ATA_DMA_CMD);
+ }
+
+ return sata_sff_hardreset(link, class, deadline);
+}
static void k2_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
{
@@ -346,6 +379,8 @@
static struct ata_port_operations k2_sata_ops = {
.inherits = &ata_bmdma_port_ops,
+ .softreset = k2_sata_softreset,
+ .hardreset = k2_sata_hardreset,
.sff_tf_load = k2_sata_tf_load,
.sff_tf_read = k2_sata_tf_read,
.sff_check_status = k2_stat_check_status,
diff --git a/drivers/base/power/qos.c b/drivers/base/power/qos.c
index 74a67e0..fbbd4ed 100644
--- a/drivers/base/power/qos.c
+++ b/drivers/base/power/qos.c
@@ -451,7 +451,7 @@
if (ancestor)
error = dev_pm_qos_add_request(ancestor, req, value);
- if (error)
+ if (error < 0)
req->dev = NULL;
return error;
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 3804a0a..9fe4f18 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -935,7 +935,7 @@
/* cf. http://lkml.org/lkml/2006/10/31/28 */
if (!fastfail)
- q->request_fn(q);
+ __blk_run_queue(q);
}
static void
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 1c49d71..2ddd64a 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4330,6 +4330,7 @@
out_unreg_blkdev:
unregister_blkdev(FLOPPY_MAJOR, "fd");
out_put_disk:
+ destroy_workqueue(floppy_wq);
for (drive = 0; drive < N_DRIVE; drive++) {
if (!disks[drive])
break;
@@ -4340,7 +4341,6 @@
}
put_disk(disks[drive]);
}
- destroy_workqueue(floppy_wq);
return err;
}
@@ -4555,6 +4555,8 @@
unregister_blkdev(FLOPPY_MAJOR, "fd");
platform_driver_unregister(&floppy_driver);
+ destroy_workqueue(floppy_wq);
+
for (drive = 0; drive < N_DRIVE; drive++) {
del_timer_sync(&motor_off_timer[drive]);
@@ -4578,7 +4580,6 @@
cancel_delayed_work_sync(&fd_timeout);
cancel_delayed_work_sync(&fd_timer);
- destroy_workqueue(floppy_wq);
if (atomic_read(&usage_count))
floppy_release_irq_and_dma();
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index adc6f36..9694dd9 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -559,7 +559,7 @@
struct mtip_cmd *command;
int tag, cmdto_cnt = 0;
unsigned int bit, group;
- unsigned int num_command_slots = port->dd->slot_groups * 32;
+ unsigned int num_command_slots;
unsigned long to, tagaccum[SLOTBITS_IN_LONGS];
if (unlikely(!port))
@@ -572,6 +572,7 @@
}
/* clear the tag accumulator */
memset(tagaccum, 0, SLOTBITS_IN_LONGS * sizeof(long));
+ num_command_slots = port->dd->slot_groups * 32;
for (tag = 0; tag < num_command_slots; tag++) {
/*
@@ -2218,8 +2219,8 @@
fis.device);
/* check for erase mode support during secure erase.*/
- if ((fis.command == ATA_CMD_SEC_ERASE_UNIT)
- && (outbuf[0] & MTIP_SEC_ERASE_MODE)) {
+ if ((fis.command == ATA_CMD_SEC_ERASE_UNIT) && outbuf &&
+ (outbuf[0] & MTIP_SEC_ERASE_MODE)) {
erasemode = 1;
}
@@ -2439,7 +2440,7 @@
* return value
* None
*/
-static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
+static void mtip_hw_submit_io(struct driver_data *dd, sector_t sector,
int nsect, int nents, int tag, void *callback,
void *data, int dir)
{
@@ -2447,6 +2448,7 @@
struct mtip_port *port = dd->port;
struct mtip_cmd *command = &port->commands[tag];
int dma_dir = (dir == READ) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
+ u64 start = sector;
/* Map the scatter list for DMA access */
nents = dma_map_sg(&dd->pdev->dev, command->sg, nents, dma_dir);
@@ -2465,8 +2467,12 @@
fis->opts = 1 << 7;
fis->command =
(dir == READ ? ATA_CMD_FPDMA_READ : ATA_CMD_FPDMA_WRITE);
- *((unsigned int *) &fis->lba_low) = (start & 0xFFFFFF);
- *((unsigned int *) &fis->lba_low_ex) = ((start >> 24) & 0xFFFFFF);
+ fis->lba_low = start & 0xFF;
+ fis->lba_mid = (start >> 8) & 0xFF;
+ fis->lba_hi = (start >> 16) & 0xFF;
+ fis->lba_low_ex = (start >> 24) & 0xFF;
+ fis->lba_mid_ex = (start >> 32) & 0xFF;
+ fis->lba_hi_ex = (start >> 40) & 0xFF;
fis->device = 1 << 6;
fis->features = nsect & 0xFF;
fis->features_ex = (nsect >> 8) & 0xFF;
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 5f4a917..b174264 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -34,7 +34,7 @@
#define PCIE_CONFIG_EXT_DEVICE_CONTROL_OFFSET 0x48
/* check for erase mode support during secure erase */
-#define MTIP_SEC_ERASE_MODE 0x3
+#define MTIP_SEC_ERASE_MODE 0x2
/* # of times to retry timed out/failed IOs */
#define MTIP_MAX_RETRIES 2
@@ -155,14 +155,14 @@
MTIP_DDF_REBUILD_FAILED_BIT = 8,
};
-__packed struct smart_attr{
+struct smart_attr {
u8 attr_id;
u16 flags;
u8 cur;
u8 worst;
u32 data;
u8 res[3];
-};
+} __packed;
/* Register Frame Information Structure (FIS), host to device. */
struct host_to_dev_fis {
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index fc2de55..b00000e 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -67,6 +67,7 @@
{ USB_DEVICE(0x13d3, 0x3304) },
{ USB_DEVICE(0x0930, 0x0215) },
{ USB_DEVICE(0x0489, 0xE03D) },
+ { USB_DEVICE(0x0489, 0xE027) },
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03F0, 0x311D) },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index debda27..ee82f2f 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -124,6 +124,7 @@
{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
+ { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c
index ff63560..0c48b0e 100644
--- a/drivers/bus/omap-ocp2scp.c
+++ b/drivers/bus/omap-ocp2scp.c
@@ -22,6 +22,26 @@
#include <linux/pm_runtime.h>
#include <linux/of.h>
#include <linux/of_platform.h>
+#include <linux/platform_data/omap_ocp2scp.h>
+
+/**
+ * _count_resources - count for the number of resources
+ * @res: struct resource *
+ *
+ * Count and return the number of resources populated for the device that is
+ * connected to ocp2scp.
+ */
+static unsigned _count_resources(struct resource *res)
+{
+ int cnt = 0;
+
+ while (res->start != res->end) {
+ cnt++;
+ res++;
+ }
+
+ return cnt;
+}
static int ocp2scp_remove_devices(struct device *dev, void *c)
{
@@ -34,20 +54,62 @@
static int __devinit omap_ocp2scp_probe(struct platform_device *pdev)
{
- int ret;
- struct device_node *np = pdev->dev.of_node;
+ int ret;
+ unsigned res_cnt, i;
+ struct device_node *np = pdev->dev.of_node;
+ struct platform_device *pdev_child;
+ struct omap_ocp2scp_platform_data *pdata = pdev->dev.platform_data;
+ struct omap_ocp2scp_dev *dev;
if (np) {
ret = of_platform_populate(np, NULL, NULL, &pdev->dev);
if (ret) {
- dev_err(&pdev->dev, "failed to add resources for ocp2scp child\n");
+ dev_err(&pdev->dev,
+ "failed to add resources for ocp2scp child\n");
goto err0;
}
+ } else if (pdata) {
+ for (i = 0, dev = *pdata->devices; i < pdata->dev_cnt; i++,
+ dev++) {
+ res_cnt = _count_resources(dev->res);
+
+ pdev_child = platform_device_alloc(dev->drv_name,
+ PLATFORM_DEVID_AUTO);
+ if (!pdev_child) {
+ dev_err(&pdev->dev,
+ "failed to allocate mem for ocp2scp child\n");
+ goto err0;
+ }
+
+ ret = platform_device_add_resources(pdev_child,
+ dev->res, res_cnt);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed to add resources for ocp2scp child\n");
+ goto err1;
+ }
+
+ pdev_child->dev.parent = &pdev->dev;
+
+ ret = platform_device_add(pdev_child);
+ if (ret) {
+ dev_err(&pdev->dev,
+ "failed to register ocp2scp child device\n");
+ goto err1;
+ }
+ }
+ } else {
+ dev_err(&pdev->dev, "OCP2SCP initialized without plat data\n");
+ return -EINVAL;
}
+
pm_runtime_enable(&pdev->dev);
return 0;
+err1:
+ platform_device_put(pdev_child);
+
err0:
device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices);
diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
index ca4a25e..e2c17d1 100644
--- a/drivers/clk/ux500/u8500_clk.c
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -40,7 +40,7 @@
CLK_IS_ROOT|CLK_IGNORE_UNUSED,
32768);
clk_register_clkdev(clk, "clk32k", NULL);
- clk_register_clkdev(clk, NULL, "rtc-pl031");
+ clk_register_clkdev(clk, "apb_pclk", "rtc-pl031");
/* PRCMU clocks */
fw_version = prcmu_get_fw_version();
@@ -228,10 +228,17 @@
clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", U8500_CLKRST1_BASE,
BIT(2), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1");
+
clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", U8500_CLKRST1_BASE,
BIT(3), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp0");
+ clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.0");
+
clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", U8500_CLKRST1_BASE,
BIT(4), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp1");
+ clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.1");
clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", U8500_CLKRST1_BASE,
BIT(5), 0);
@@ -239,6 +246,7 @@
clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", U8500_CLKRST1_BASE,
BIT(6), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2");
clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", U8500_CLKRST1_BASE,
BIT(7), 0);
@@ -246,6 +254,7 @@
clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", U8500_CLKRST1_BASE,
BIT(8), 0);
+ clk_register_clkdev(clk, "apb_pclk", "slimbus0");
clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", U8500_CLKRST1_BASE,
BIT(9), 0);
@@ -255,11 +264,16 @@
clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", U8500_CLKRST1_BASE,
BIT(10), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4");
+
clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", U8500_CLKRST1_BASE,
BIT(11), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp3");
+ clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.3");
clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", U8500_CLKRST2_BASE,
BIT(0), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3");
clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", U8500_CLKRST2_BASE,
BIT(1), 0);
@@ -279,12 +293,13 @@
clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", U8500_CLKRST2_BASE,
BIT(5), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp2");
+ clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.2");
clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", U8500_CLKRST2_BASE,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi1");
-
clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", U8500_CLKRST2_BASE,
BIT(7), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi3");
@@ -316,10 +331,15 @@
clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", U8500_CLKRST3_BASE,
BIT(1), 0);
+ clk_register_clkdev(clk, "apb_pclk", "ssp0");
+
clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", U8500_CLKRST3_BASE,
BIT(2), 0);
+ clk_register_clkdev(clk, "apb_pclk", "ssp1");
+
clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", U8500_CLKRST3_BASE,
BIT(3), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0");
clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", U8500_CLKRST3_BASE,
BIT(4), 0);
@@ -401,10 +421,17 @@
clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
U8500_CLKRST1_BASE, BIT(2), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.1");
+
clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp0");
+ clk_register_clkdev(clk, NULL, "ux500-msp-i2s.0");
+
clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
U8500_CLKRST1_BASE, BIT(4), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp1");
+ clk_register_clkdev(clk, NULL, "ux500-msp-i2s.1");
clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
U8500_CLKRST1_BASE, BIT(5), CLK_SET_RATE_GATE);
@@ -412,17 +439,25 @@
clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
U8500_CLKRST1_BASE, BIT(6), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.2");
+
clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
- U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE);
- /* FIXME: Redefinition of BIT(3). */
+ U8500_CLKRST1_BASE, BIT(8), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "slimbus0");
+
clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
U8500_CLKRST1_BASE, BIT(9), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.4");
+
clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
U8500_CLKRST1_BASE, BIT(10), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp3");
+ clk_register_clkdev(clk, NULL, "ux500-msp-i2s.3");
/* Periph2 */
clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
U8500_CLKRST2_BASE, BIT(0), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.3");
clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
U8500_CLKRST2_BASE, BIT(2), CLK_SET_RATE_GATE);
@@ -430,6 +465,8 @@
clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
U8500_CLKRST2_BASE, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp2");
+ clk_register_clkdev(clk, NULL, "ux500-msp-i2s.2");
clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
U8500_CLKRST2_BASE, BIT(4), CLK_SET_RATE_GATE);
@@ -450,10 +487,15 @@
/* Periph3 */
clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
U8500_CLKRST3_BASE, BIT(1), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "ssp0");
+
clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
U8500_CLKRST3_BASE, BIT(2), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "ssp1");
+
clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
U8500_CLKRST3_BASE, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.0");
clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
U8500_CLKRST3_BASE, BIT(4), CLK_SET_RATE_GATE);
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 8d48047..8c41396 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -33,7 +33,7 @@
* detection. The mods to Rev F required more family
* information detection.
*
- * Changes/Fixes by Borislav Petkov <borislav.petkov@amd.com>:
+ * Changes/Fixes by Borislav Petkov <bp@alien8.de>:
* - misc fixes and code cleanups
*
* This module is based on the following documents
diff --git a/drivers/edac/edac_stub.c b/drivers/edac/edac_stub.c
index 6c86f6e..351945f 100644
--- a/drivers/edac/edac_stub.c
+++ b/drivers/edac/edac_stub.c
@@ -5,7 +5,7 @@
*
* 2007 (c) MontaVista Software, Inc.
* 2010 (c) Advanced Micro Devices Inc.
- * Borislav Petkov <borislav.petkov@amd.com>
+ * Borislav Petkov <bp@alien8.de>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
diff --git a/drivers/edac/mce_amd_inj.c b/drivers/edac/mce_amd_inj.c
index 66b5151..2ae78f2 100644
--- a/drivers/edac/mce_amd_inj.c
+++ b/drivers/edac/mce_amd_inj.c
@@ -6,7 +6,7 @@
* This file may be distributed under the terms of the GNU General Public
* License version 2.
*
- * Copyright (c) 2010: Borislav Petkov <borislav.petkov@amd.com>
+ * Copyright (c) 2010: Borislav Petkov <bp@alien8.de>
* Advanced Micro Devices Inc.
*/
@@ -168,6 +168,6 @@
module_exit(edac_exit_mce_inject);
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Borislav Petkov <borislav.petkov@amd.com>");
+MODULE_AUTHOR("Borislav Petkov <bp@alien8.de>");
MODULE_AUTHOR("AMD Inc.");
MODULE_DESCRIPTION("MCE injection facility for testing MCE decoding");
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 1162d6b..bb1b392 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -1546,6 +1546,8 @@
struct sbp2_logical_unit *lu = sdev->hostdata;
sdev->use_10_for_rw = 1;
+ sdev->no_report_opcodes = 1;
+ sdev->no_write_same = 1;
if (sbp2_param_exclusive_login)
sdev->manage_start_stop = 1;
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index f11d8e3..47150f5 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -466,7 +466,7 @@
config GPIO_ADNP
tristate "Avionic Design N-bit GPIO expander"
- depends on I2C && OF
+ depends on I2C && OF_GPIO
help
This option enables support for N GPIOs found on Avionic Design
I2C GPIO expanders. The register space will be extended by powers
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index 0f42518..ce1c847 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -77,7 +77,7 @@
/*----------------------------------------------------------------------*/
-#ifdef CONFIG_I2C
+#if IS_ENABLED(CONFIG_I2C)
static int mcp23008_read(struct mcp23s08 *mcp, unsigned reg)
{
@@ -399,7 +399,7 @@
break;
#endif /* CONFIG_SPI_MASTER */
-#ifdef CONFIG_I2C
+#if IS_ENABLED(CONFIG_I2C)
case MCP_TYPE_008:
mcp->ops = &mcp23008_ops;
mcp->chip.ngpio = 8;
@@ -473,7 +473,7 @@
/*----------------------------------------------------------------------*/
-#ifdef CONFIG_I2C
+#if IS_ENABLED(CONFIG_I2C)
static int __devinit mcp230xx_probe(struct i2c_client *client,
const struct i2c_device_id *id)
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index cf7afb9..be65c04 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -92,6 +92,11 @@
return mvchip->membase + GPIO_OUT_OFF;
}
+static inline void __iomem *mvebu_gpioreg_blink(struct mvebu_gpio_chip *mvchip)
+{
+ return mvchip->membase + GPIO_BLINK_EN_OFF;
+}
+
static inline void __iomem *mvebu_gpioreg_io_conf(struct mvebu_gpio_chip *mvchip)
{
return mvchip->membase + GPIO_IO_CONF_OFF;
@@ -206,6 +211,23 @@
return (u >> pin) & 1;
}
+static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value)
+{
+ struct mvebu_gpio_chip *mvchip =
+ container_of(chip, struct mvebu_gpio_chip, chip);
+ unsigned long flags;
+ u32 u;
+
+ spin_lock_irqsave(&mvchip->lock, flags);
+ u = readl_relaxed(mvebu_gpioreg_blink(mvchip));
+ if (value)
+ u |= 1 << pin;
+ else
+ u &= ~(1 << pin);
+ writel_relaxed(u, mvebu_gpioreg_blink(mvchip));
+ spin_unlock_irqrestore(&mvchip->lock, flags);
+}
+
static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin)
{
struct mvebu_gpio_chip *mvchip =
@@ -244,6 +266,7 @@
if (ret)
return ret;
+ mvebu_gpio_blink(chip, pin, 0);
mvebu_gpio_set(chip, pin, value);
spin_lock_irqsave(&mvchip->lock, flags);
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index b726b47..6345878 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -143,7 +143,7 @@
int old_dpms;
/* PCH platforms and VLV only support on/off. */
- if (INTEL_INFO(dev)->gen < 5 && mode != DRM_MODE_DPMS_ON)
+ if (INTEL_INFO(dev)->gen >= 5 && mode != DRM_MODE_DPMS_ON)
mode = DRM_MODE_DPMS_OFF;
if (mode == connector->dpms)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 461a637..4154bcd 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3841,6 +3841,17 @@
}
}
+ if (intel_encoder->type == INTEL_OUTPUT_EDP) {
+ /* Use VBT settings if we have an eDP panel */
+ unsigned int edp_bpc = dev_priv->edp.bpp / 3;
+
+ if (edp_bpc < display_bpc) {
+ DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc);
+ display_bpc = edp_bpc;
+ }
+ continue;
+ }
+
/*
* HDMI is either 12 or 8, so if the display lets 10bpc sneak
* through, clamp it down. (Note: >12bpc will be caught below.)
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 79d308d..c600fb0 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2382,6 +2382,18 @@
return true;
}
+static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
+{
+ struct drm_device *dev = intel_sdvo->base.base.dev;
+ struct drm_connector *connector, *tmp;
+
+ list_for_each_entry_safe(connector, tmp,
+ &dev->mode_config.connector_list, head) {
+ if (intel_attached_encoder(connector) == &intel_sdvo->base)
+ intel_sdvo_destroy(connector);
+ }
+}
+
static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo,
struct intel_sdvo_connector *intel_sdvo_connector,
int type)
@@ -2705,7 +2717,8 @@
intel_sdvo->caps.output_flags) != true) {
DRM_DEBUG_KMS("SDVO output failed to setup on %s\n",
SDVO_NAME(intel_sdvo));
- goto err;
+ /* Output_setup can leave behind connectors! */
+ goto err_output;
}
/* Only enable the hotplug irq if we need it, to work around noisy
@@ -2718,12 +2731,12 @@
/* Set the input timing to the screen. Assume always input 0. */
if (!intel_sdvo_set_target_input(intel_sdvo))
- goto err;
+ goto err_output;
if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
&intel_sdvo->pixel_clock_min,
&intel_sdvo->pixel_clock_max))
- goto err;
+ goto err_output;
DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
"clock range %dMHz - %dMHz, "
@@ -2743,6 +2756,9 @@
(SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
return true;
+err_output:
+ intel_sdvo_output_cleanup(intel_sdvo);
+
err:
drm_encoder_cleanup(&intel_encoder->base);
i2c_del_adapter(&intel_sdvo->ddc);
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 05a909a..15b182c 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -49,13 +49,7 @@
if (chan->vblank.crtc != crtc)
continue;
- if (nv_device(priv)->chipset == 0x50) {
- nv_wr32(priv, 0x001704, chan->vblank.channel);
- nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
- bar->flush(bar);
- nv_wr32(priv, 0x001570, chan->vblank.offset);
- nv_wr32(priv, 0x001574, chan->vblank.value);
- } else {
+ if (nv_device(priv)->chipset >= 0xc0) {
nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
bar->flush(bar);
nv_wr32(priv, 0x06000c,
@@ -63,6 +57,17 @@
nv_wr32(priv, 0x060010,
lower_32_bits(chan->vblank.offset));
nv_wr32(priv, 0x060014, chan->vblank.value);
+ } else {
+ nv_wr32(priv, 0x001704, chan->vblank.channel);
+ nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma);
+ bar->flush(bar);
+ if (nv_device(priv)->chipset == 0x50) {
+ nv_wr32(priv, 0x001570, chan->vblank.offset);
+ nv_wr32(priv, 0x001574, chan->vblank.value);
+ } else {
+ nv_wr32(priv, 0x060010, chan->vblank.offset);
+ nv_wr32(priv, 0x060014, chan->vblank.value);
+ }
}
list_del(&chan->vblank.head);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c
index e45035e..7bbb1e1 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/ctxnv40.c
@@ -669,21 +669,27 @@
});
}
-void
+int
nv40_grctx_init(struct nouveau_device *device, u32 *size)
{
- u32 ctxprog[256], i;
+ u32 *ctxprog = kmalloc(256 * 4, GFP_KERNEL), i;
struct nouveau_grctx ctx = {
.device = device,
.mode = NOUVEAU_GRCTX_PROG,
.data = ctxprog,
- .ctxprog_max = ARRAY_SIZE(ctxprog)
+ .ctxprog_max = 256,
};
+ if (!ctxprog)
+ return -ENOMEM;
+
nv40_grctx_generate(&ctx);
nv_wr32(device, 0x400324, 0);
for (i = 0; i < ctx.ctxprog_len; i++)
nv_wr32(device, 0x400328, ctxprog[i]);
*size = ctx.ctxvals_pos * 4;
+
+ kfree(ctxprog);
+ return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
index 4250012..cc6574e 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c
@@ -346,7 +346,9 @@
return ret;
/* generate and upload context program */
- nv40_grctx_init(nv_device(priv), &priv->size);
+ ret = nv40_grctx_init(nv_device(priv), &priv->size);
+ if (ret)
+ return ret;
/* No context present currently */
nv_wr32(priv, NV40_PGRAPH_CTXCTL_CUR, 0x00000000);
diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
index d2ac975..7da35a4 100644
--- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
+++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.h
@@ -15,7 +15,7 @@
return !(0x0baf & (1 << (device->chipset & 0x0f)));
}
-void nv40_grctx_init(struct nouveau_device *, u32 *size);
+int nv40_grctx_init(struct nouveau_device *, u32 *size);
void nv40_grctx_fill(struct nouveau_device *, struct nouveau_gpuobj *);
#endif
diff --git a/drivers/gpu/drm/nouveau/core/include/core/object.h b/drivers/gpu/drm/nouveau/core/include/core/object.h
index 818feab..486f1a9 100644
--- a/drivers/gpu/drm/nouveau/core/include/core/object.h
+++ b/drivers/gpu/drm/nouveau/core/include/core/object.h
@@ -175,14 +175,18 @@
return temp;
}
-static inline bool
-nv_strncmp(void *obj, u32 addr, u32 len, const char *str)
+static inline int
+nv_memcmp(void *obj, u32 addr, const char *str, u32 len)
{
+ unsigned char c1, c2;
+
while (len--) {
- if (nv_ro08(obj, addr++) != *(str++))
- return false;
+ c1 = nv_ro08(obj, addr++);
+ c2 = *(str++);
+ if (c1 != c2)
+ return c1 - c2;
}
- return true;
+ return 0;
}
#endif
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
index 39e73b9..41b7a6a 100644
--- a/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/clock.h
@@ -54,6 +54,7 @@
int clk, struct nouveau_pll_vals *);
int nv04_clock_pll_prog(struct nouveau_clock *, u32 reg1,
struct nouveau_pll_vals *);
-
+int nva3_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
+ int clk, struct nouveau_pll_vals *);
#endif
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
index 7d75038..c511971 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
@@ -64,7 +64,7 @@
}
} else
if (*ver >= 0x15) {
- if (!nv_strncmp(bios, dcb - 7, 7, "DEV_REC")) {
+ if (!nv_memcmp(bios, dcb - 7, "DEV_REC", 7)) {
u16 i2c = nv_ro16(bios, dcb + 2);
*hdr = 4;
*cnt = (i2c - dcb) / 10;
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c
index cc8d7d1..9068c98 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c
@@ -66,6 +66,24 @@
return ret;
}
+int
+nva3_clock_pll_calc(struct nouveau_clock *clock, struct nvbios_pll *info,
+ int clk, struct nouveau_pll_vals *pv)
+{
+ int ret, N, M, P;
+
+ ret = nva3_pll_calc(clock, info, clk, &N, NULL, &M, &P);
+
+ if (ret > 0) {
+ pv->refclk = info->refclk;
+ pv->N1 = N;
+ pv->M1 = M;
+ pv->log2P = P;
+ }
+ return ret;
+}
+
+
static int
nva3_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
@@ -80,6 +98,7 @@
return ret;
priv->base.pll_set = nva3_clock_pll_set;
+ priv->base.pll_calc = nva3_clock_pll_calc;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c
index 5ccce0b..f6962c9 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c
@@ -79,6 +79,7 @@
return ret;
priv->base.pll_set = nvc0_clock_pll_set;
+ priv->base.pll_calc = nva3_clock_pll_calc;
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_abi16.c b/drivers/gpu/drm/nouveau/nouveau_abi16.c
index cc79c79..cbf1fc6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_abi16.c
+++ b/drivers/gpu/drm/nouveau/nouveau_abi16.c
@@ -241,6 +241,10 @@
if (unlikely(!abi16))
return -ENOMEM;
+
+ if (!drm->channel)
+ return nouveau_abi16_put(abi16, -ENODEV);
+
client = nv_client(abi16->client);
if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 0910125..8503b2e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -129,7 +129,8 @@
/* initialise synchronisation routines */
if (device->card_type < NV_10) ret = nv04_fence_create(drm);
- else if (device->chipset < 0x84) ret = nv10_fence_create(drm);
+ else if (device->card_type < NV_50) ret = nv10_fence_create(drm);
+ else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
else ret = nvc0_fence_create(drm);
if (ret) {
diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index ba498f8..010bae1 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -1625,7 +1625,7 @@
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
/* some early dce3.2 boards have a bug in their transmitter control table */
- if ((rdev->family != CHIP_RV710) || (rdev->family != CHIP_RV730))
+ if ((rdev->family != CHIP_RV710) && (rdev->family != CHIP_RV730))
atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
}
if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) {
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index af31f82..219942c 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1330,6 +1330,8 @@
break;
udelay(1);
}
+ } else {
+ save->crtc_enabled[i] = false;
}
}
diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
index 10ea17a..4243334 100644
--- a/drivers/gpu/drm/radeon/radeon_agp.c
+++ b/drivers/gpu/drm/radeon/radeon_agp.c
@@ -69,9 +69,12 @@
/* Intel 82830 830 Chipset Host Bridge / Mobility M6 LY Needs AGPMode 2 (fdo #17360)*/
{ PCI_VENDOR_ID_INTEL, 0x3575, PCI_VENDOR_ID_ATI, 0x4c59,
PCI_VENDOR_ID_DELL, 0x00e3, 2},
- /* Intel 82852/82855 host bridge / Mobility FireGL 9000 R250 Needs AGPMode 1 (lp #296617) */
+ /* Intel 82852/82855 host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 (lp #296617) */
{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4c66,
PCI_VENDOR_ID_DELL, 0x0149, 1},
+ /* Intel 82855PM host bridge / Mobility FireGL 9000 RV250 Needs AGPMode 1 for suspend/resume */
+ { PCI_VENDOR_ID_INTEL, 0x3340, PCI_VENDOR_ID_ATI, 0x4c66,
+ PCI_VENDOR_ID_IBM, 0x0531, 1},
/* Intel 82852/82855 host bridge / Mobility 9600 M10 RV350 Needs AGPMode 1 (deb #467460) */
{ PCI_VENDOR_ID_INTEL, 0x3580, PCI_VENDOR_ID_ATI, 0x4e50,
0x1025, 0x0061, 1},
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index 860dc48..bd2a3b4 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -749,7 +749,10 @@
/* clear the pages coming from the pool if requested */
if (flags & TTM_PAGE_FLAG_ZERO_ALLOC) {
list_for_each_entry(p, &plist, lru) {
- clear_page(page_address(p));
+ if (PageHighMem(p))
+ clear_highpage(p);
+ else
+ clear_page(page_address(p));
}
}
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index bf82601..7d759a4 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -308,9 +308,7 @@
if (unlikely(to_page == NULL))
goto out_err;
- preempt_disable();
copy_highpage(to_page, from_page);
- preempt_enable();
page_cache_release(from_page);
}
@@ -358,9 +356,7 @@
ret = PTR_ERR(to_page);
goto out_err;
}
- preempt_disable();
copy_highpage(to_page, from_page);
- preempt_enable();
set_page_dirty(to_page);
mark_page_accessed(to_page);
page_cache_release(to_page);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index b07ca2e..7290811 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -110,6 +110,8 @@
memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size);
ret = copy_to_user(buffer, bounce, size);
+ if (ret)
+ ret = -EFAULT;
vfree(bounce);
if (unlikely(ret != 0))
diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c
index f676c01..6fcd466d0 100644
--- a/drivers/hid/hid-microsoft.c
+++ b/drivers/hid/hid-microsoft.c
@@ -46,9 +46,9 @@
rdesc[559] = 0x45;
}
/* the same as above (s/usage/physical/) */
- if ((quirks & MS_RDESC_3K) && *rsize == 106 &&
- !memcmp((char []){ 0x19, 0x00, 0x29, 0xff },
- &rdesc[94], 4)) {
+ if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 &&
+ rdesc[95] == 0x00 && rdesc[96] == 0x29 &&
+ rdesc[97] == 0xff) {
rdesc[94] = 0x35;
rdesc[96] = 0x45;
}
diff --git a/drivers/i2c/busses/i2c-at91.c b/drivers/i2c/busses/i2c-at91.c
index aa59a25..c02bf20 100644
--- a/drivers/i2c/busses/i2c-at91.c
+++ b/drivers/i2c/busses/i2c-at91.c
@@ -39,6 +39,7 @@
#define AT91_TWI_STOP 0x0002 /* Send a Stop Condition */
#define AT91_TWI_MSEN 0x0004 /* Master Transfer Enable */
#define AT91_TWI_SVDIS 0x0020 /* Slave Transfer Disable */
+#define AT91_TWI_QUICK 0x0040 /* SMBus quick command */
#define AT91_TWI_SWRST 0x0080 /* Software Reset */
#define AT91_TWI_MMR 0x0004 /* Master Mode Register */
@@ -212,7 +213,11 @@
INIT_COMPLETION(dev->cmd_complete);
dev->transfer_status = 0;
- if (dev->msg->flags & I2C_M_RD) {
+
+ if (!dev->buf_len) {
+ at91_twi_write(dev, AT91_TWI_CR, AT91_TWI_QUICK);
+ at91_twi_write(dev, AT91_TWI_IER, AT91_TWI_TXCOMP);
+ } else if (dev->msg->flags & I2C_M_RD) {
unsigned start_flags = AT91_TWI_START;
if (at91_twi_read(dev, AT91_TWI_SR) & AT91_TWI_RXRDY) {
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 286ca19..0670da7 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -287,12 +287,14 @@
select_init_dma_fail:
dma_unmap_sg(i2c->dev, &i2c->sg_io[0], 1, DMA_TO_DEVICE);
select_init_pio_fail:
+ dmaengine_terminate_all(i2c->dmach);
return -EINVAL;
/* Write failpath. */
write_init_dma_fail:
dma_unmap_sg(i2c->dev, i2c->sg_io, 2, DMA_TO_DEVICE);
write_init_pio_fail:
+ dmaengine_terminate_all(i2c->dmach);
return -EINVAL;
}
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index db31eae..3525c9e 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -43,7 +43,6 @@
#include <linux/slab.h>
#include <linux/i2c-omap.h>
#include <linux/pm_runtime.h>
-#include <linux/pm_qos.h>
/* I2C controller revisions */
#define OMAP_I2C_OMAP1_REV_2 0x20
@@ -187,8 +186,9 @@
int reg_shift; /* bit shift for I2C register addresses */
struct completion cmd_complete;
struct resource *ioarea;
- u32 latency; /* maximum MPU wkup latency */
- struct pm_qos_request pm_qos_request;
+ u32 latency; /* maximum mpu wkup latency */
+ void (*set_mpu_wkup_lat)(struct device *dev,
+ long latency);
u32 speed; /* Speed of bus in kHz */
u32 dtrev; /* extra revision from DT */
u32 flags;
@@ -494,7 +494,9 @@
dev->b_hw = 1; /* Enable hardware fixes */
/* calculate wakeup latency constraint for MPU */
- dev->latency = (1000000 * dev->threshold) / (1000 * dev->speed / 8);
+ if (dev->set_mpu_wkup_lat != NULL)
+ dev->latency = (1000000 * dev->threshold) /
+ (1000 * dev->speed / 8);
}
/*
@@ -522,6 +524,9 @@
dev->buf = msg->buf;
dev->buf_len = msg->len;
+ /* make sure writes to dev->buf_len are ordered */
+ barrier();
+
omap_i2c_write_reg(dev, OMAP_I2C_CNT_REG, dev->buf_len);
/* Clear the FIFO Buffers */
@@ -579,7 +584,6 @@
*/
timeout = wait_for_completion_timeout(&dev->cmd_complete,
OMAP_I2C_TIMEOUT);
- dev->buf_len = 0;
if (timeout == 0) {
dev_err(dev->dev, "controller timed out\n");
omap_i2c_init(dev);
@@ -629,16 +633,8 @@
if (r < 0)
goto out;
- /*
- * When waiting for completion of a i2c transfer, we need to
- * set a wake up latency constraint for the MPU. This is to
- * ensure quick enough wakeup from idle, when transfer
- * completes.
- */
- if (dev->latency)
- pm_qos_add_request(&dev->pm_qos_request,
- PM_QOS_CPU_DMA_LATENCY,
- dev->latency);
+ if (dev->set_mpu_wkup_lat != NULL)
+ dev->set_mpu_wkup_lat(dev->dev, dev->latency);
for (i = 0; i < num; i++) {
r = omap_i2c_xfer_msg(adap, &msgs[i], (i == (num - 1)));
@@ -646,8 +642,8 @@
break;
}
- if (dev->latency)
- pm_qos_remove_request(&dev->pm_qos_request);
+ if (dev->set_mpu_wkup_lat != NULL)
+ dev->set_mpu_wkup_lat(dev->dev, -1);
if (r == 0)
r = num;
@@ -1104,6 +1100,7 @@
} else if (pdata != NULL) {
dev->speed = pdata->clkrate;
dev->flags = pdata->flags;
+ dev->set_mpu_wkup_lat = pdata->set_mpu_wkup_lat;
dev->dtrev = pdata->rev;
}
@@ -1159,8 +1156,9 @@
dev->b_hw = 1; /* Enable hardware fixes */
/* calculate wakeup latency constraint for MPU */
- dev->latency = (1000000 * dev->fifo_size) /
- (1000 * dev->speed / 8);
+ if (dev->set_mpu_wkup_lat != NULL)
+ dev->latency = (1000000 * dev->fifo_size) /
+ (1000 * dev->speed / 8);
}
/* reset ASAP, clearing any IRQs */
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 3e0335f..9d90272 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -806,6 +806,7 @@
dev_err(i2c->dev, "invalid gpio[%d]: %d\n", idx, gpio);
goto free_gpio;
}
+ i2c->gpios[idx] = gpio;
ret = gpio_request(gpio, "i2c-bus");
if (ret) {
diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c
index 5f097f3..7fa5b24 100644
--- a/drivers/i2c/muxes/i2c-mux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c
@@ -169,7 +169,7 @@
mux->busses = devm_kzalloc(&pdev->dev,
sizeof(mux->busses) * mux->pdata->bus_count,
GFP_KERNEL);
- if (!mux->states) {
+ if (!mux->busses) {
dev_err(&pdev->dev, "Cannot allocate busses\n");
ret = -ENOMEM;
goto err;
diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c
index c0ec7d4..1abbc17 100644
--- a/drivers/input/input-mt.c
+++ b/drivers/input/input-mt.c
@@ -26,10 +26,14 @@
* input_mt_init_slots() - initialize MT input slots
* @dev: input device supporting MT events and finger tracking
* @num_slots: number of slots used by the device
+ * @flags: mt tasks to handle in core
*
* This function allocates all necessary memory for MT slot handling
* in the input device, prepares the ABS_MT_SLOT and
* ABS_MT_TRACKING_ID events for use and sets up appropriate buffers.
+ * Depending on the flags set, it also performs pointer emulation and
+ * frame synchronization.
+ *
* May be called repeatedly. Returns -EINVAL if attempting to
* reinitialize with a different number of slots.
*/
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 8f02e3d..4c842c3 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -12,8 +12,8 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define MOUSEDEV_MINOR_BASE 32
-#define MOUSEDEV_MINORS 32
-#define MOUSEDEV_MIX 31
+#define MOUSEDEV_MINORS 31
+#define MOUSEDEV_MIX 63
#include <linux/sched.h>
#include <linux/slab.h>
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index f02028e..78e5d9a 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -955,7 +955,8 @@
static SIMPLE_DEV_PM_OPS(ads7846_pm, ads7846_suspend, ads7846_resume);
-static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads7846 *ts)
+static int __devinit ads7846_setup_pendown(struct spi_device *spi,
+ struct ads7846 *ts)
{
struct ads7846_platform_data *pdata = spi->dev.platform_data;
int err;
@@ -981,6 +982,9 @@
ts->gpio_pendown = pdata->gpio_pendown;
+ if (pdata->gpio_pendown_debounce)
+ gpio_set_debounce(pdata->gpio_pendown,
+ pdata->gpio_pendown_debounce);
} else {
dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
return -EINVAL;
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index d4a4cd4..0badfa4 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4108,7 +4108,7 @@
static int intel_iommu_add_device(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
- struct pci_dev *bridge, *dma_pdev;
+ struct pci_dev *bridge, *dma_pdev = NULL;
struct iommu_group *group;
int ret;
@@ -4122,7 +4122,7 @@
dma_pdev = pci_get_domain_bus_and_slot(
pci_domain_nr(pdev->bus),
bridge->subordinate->number, 0);
- else
+ if (!dma_pdev)
dma_pdev = pci_dev_get(bridge);
} else
dma_pdev = pci_dev_get(pdev);
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index a649f14..c0f7a42 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1054,6 +1054,7 @@
stats[i], val, offs);
}
seq_printf(s, "\n");
+ dput(dent);
return 0;
}
diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c
index dc670cc..16c78f1 100644
--- a/drivers/irqchip/irq-bcm2835.c
+++ b/drivers/irqchip/irq-bcm2835.c
@@ -168,7 +168,8 @@
}
static struct of_device_id irq_of_match[] __initconst = {
- { .compatible = "brcm,bcm2835-armctrl-ic", .data = armctrl_of_init }
+ { .compatible = "brcm,bcm2835-armctrl-ic", .data = armctrl_of_init },
+ { }
};
void __init bcm2835_init_irq(void)
diff --git a/drivers/leds/ledtrig-cpu.c b/drivers/leds/ledtrig-cpu.c
index b312056..4239b39 100644
--- a/drivers/leds/ledtrig-cpu.c
+++ b/drivers/leds/ledtrig-cpu.c
@@ -33,8 +33,6 @@
struct led_trigger_cpu {
char name[MAX_NAME_LEN];
struct led_trigger *_trig;
- struct mutex lock;
- int lock_is_inited;
};
static DEFINE_PER_CPU(struct led_trigger_cpu, cpu_trig);
@@ -50,12 +48,6 @@
{
struct led_trigger_cpu *trig = &__get_cpu_var(cpu_trig);
- /* mutex lock should be initialized before calling mutex_call() */
- if (!trig->lock_is_inited)
- return;
-
- mutex_lock(&trig->lock);
-
/* Locate the correct CPU LED */
switch (ledevt) {
case CPU_LED_IDLE_END:
@@ -75,8 +67,6 @@
/* Will leave the LED as it is */
break;
}
-
- mutex_unlock(&trig->lock);
}
EXPORT_SYMBOL(ledtrig_cpu);
@@ -117,14 +107,9 @@
for_each_possible_cpu(cpu) {
struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu);
- mutex_init(&trig->lock);
-
snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu);
- mutex_lock(&trig->lock);
led_trigger_register_simple(trig->name, &trig->_trig);
- trig->lock_is_inited = 1;
- mutex_unlock(&trig->lock);
}
register_syscore_ops(&ledtrig_cpu_syscore_ops);
@@ -142,15 +127,9 @@
for_each_possible_cpu(cpu) {
struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu);
- mutex_lock(&trig->lock);
-
led_trigger_unregister_simple(trig->_trig);
trig->_trig = NULL;
memset(trig->name, 0, MAX_NAME_LEN);
- trig->lock_is_inited = 0;
-
- mutex_unlock(&trig->lock);
- mutex_destroy(&trig->lock);
}
unregister_syscore_ops(&ledtrig_cpu_syscore_ops);
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 02db918..77e6eff 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -740,8 +740,14 @@
if (!md_in_flight(md))
wake_up(&md->wait);
+ /*
+ * Run this off this callpath, as drivers could invoke end_io while
+ * inside their request_fn (and holding the queue lock). Calling
+ * back into ->request_fn() could deadlock attempting to grab the
+ * queue lock again.
+ */
if (run_queue)
- blk_run_queue(md->queue);
+ blk_run_queue_async(md->queue);
/*
* dm_put() must be at the end of this function. See the comment above
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9ab768a..6120071 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1817,10 +1817,10 @@
memset(bbp, 0xff, PAGE_SIZE);
for (i = 0 ; i < bb->count ; i++) {
- u64 internal_bb = *p++;
+ u64 internal_bb = p[i];
u64 store_bb = ((BB_OFFSET(internal_bb) << 10)
| BB_LEN(internal_bb));
- *bbp++ = cpu_to_le64(store_bb);
+ bbp[i] = cpu_to_le64(store_bb);
}
bb->changed = 0;
if (read_seqretry(&bb->lock, seq))
@@ -5294,7 +5294,7 @@
}
EXPORT_SYMBOL_GPL(md_stop_writes);
-void md_stop(struct mddev *mddev)
+static void __md_stop(struct mddev *mddev)
{
mddev->ready = 0;
mddev->pers->stop(mddev);
@@ -5304,6 +5304,18 @@
mddev->pers = NULL;
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
}
+
+void md_stop(struct mddev *mddev)
+{
+ /* stop the array and free an attached data structures.
+ * This is called from dm-raid
+ */
+ __md_stop(mddev);
+ bitmap_destroy(mddev);
+ if (mddev->bio_set)
+ bioset_free(mddev->bio_set);
+}
+
EXPORT_SYMBOL_GPL(md_stop);
static int md_set_readonly(struct mddev *mddev, struct block_device *bdev)
@@ -5364,7 +5376,7 @@
set_disk_ro(disk, 0);
__md_stop_writes(mddev);
- md_stop(mddev);
+ __md_stop(mddev);
mddev->queue->merge_bvec_fn = NULL;
mddev->queue->backing_dev_info.congested_fn = NULL;
@@ -7936,9 +7948,9 @@
sector_t *first_bad, int *bad_sectors)
{
int hi;
- int lo = 0;
+ int lo;
u64 *p = bb->page;
- int rv = 0;
+ int rv;
sector_t target = s + sectors;
unsigned seq;
@@ -7953,7 +7965,8 @@
retry:
seq = read_seqbegin(&bb->lock);
-
+ lo = 0;
+ rv = 0;
hi = bb->count;
/* Binary search between lo and hi for 'target'
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index d1295af..0d5d0ff 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -499,7 +499,7 @@
*/
one_write_done(r10_bio);
if (dec_rdev)
- rdev_dec_pending(conf->mirrors[dev].rdev, conf->mddev);
+ rdev_dec_pending(rdev, conf->mddev);
}
/*
@@ -1334,18 +1334,21 @@
blocked_rdev = rrdev;
break;
}
+ if (rdev && (test_bit(Faulty, &rdev->flags)
+ || test_bit(Unmerged, &rdev->flags)))
+ rdev = NULL;
if (rrdev && (test_bit(Faulty, &rrdev->flags)
|| test_bit(Unmerged, &rrdev->flags)))
rrdev = NULL;
r10_bio->devs[i].bio = NULL;
r10_bio->devs[i].repl_bio = NULL;
- if (!rdev || test_bit(Faulty, &rdev->flags) ||
- test_bit(Unmerged, &rdev->flags)) {
+
+ if (!rdev && !rrdev) {
set_bit(R10BIO_Degraded, &r10_bio->state);
continue;
}
- if (test_bit(WriteErrorSeen, &rdev->flags)) {
+ if (rdev && test_bit(WriteErrorSeen, &rdev->flags)) {
sector_t first_bad;
sector_t dev_sector = r10_bio->devs[i].addr;
int bad_sectors;
@@ -1387,8 +1390,10 @@
max_sectors = good_sectors;
}
}
- r10_bio->devs[i].bio = bio;
- atomic_inc(&rdev->nr_pending);
+ if (rdev) {
+ r10_bio->devs[i].bio = bio;
+ atomic_inc(&rdev->nr_pending);
+ }
if (rrdev) {
r10_bio->devs[i].repl_bio = bio;
atomic_inc(&rrdev->nr_pending);
@@ -1444,69 +1449,71 @@
for (i = 0; i < conf->copies; i++) {
struct bio *mbio;
int d = r10_bio->devs[i].devnum;
- if (!r10_bio->devs[i].bio)
- continue;
+ if (r10_bio->devs[i].bio) {
+ struct md_rdev *rdev = conf->mirrors[d].rdev;
+ mbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
+ md_trim_bio(mbio, r10_bio->sector - bio->bi_sector,
+ max_sectors);
+ r10_bio->devs[i].bio = mbio;
- mbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
- md_trim_bio(mbio, r10_bio->sector - bio->bi_sector,
- max_sectors);
- r10_bio->devs[i].bio = mbio;
+ mbio->bi_sector = (r10_bio->devs[i].addr+
+ choose_data_offset(r10_bio,
+ rdev));
+ mbio->bi_bdev = rdev->bdev;
+ mbio->bi_end_io = raid10_end_write_request;
+ mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
+ mbio->bi_private = r10_bio;
- mbio->bi_sector = (r10_bio->devs[i].addr+
- choose_data_offset(r10_bio,
- conf->mirrors[d].rdev));
- mbio->bi_bdev = conf->mirrors[d].rdev->bdev;
- mbio->bi_end_io = raid10_end_write_request;
- mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
- mbio->bi_private = r10_bio;
+ atomic_inc(&r10_bio->remaining);
- atomic_inc(&r10_bio->remaining);
+ cb = blk_check_plugged(raid10_unplug, mddev,
+ sizeof(*plug));
+ if (cb)
+ plug = container_of(cb, struct raid10_plug_cb,
+ cb);
+ else
+ plug = NULL;
+ spin_lock_irqsave(&conf->device_lock, flags);
+ if (plug) {
+ bio_list_add(&plug->pending, mbio);
+ plug->pending_cnt++;
+ } else {
+ bio_list_add(&conf->pending_bio_list, mbio);
+ conf->pending_count++;
+ }
+ spin_unlock_irqrestore(&conf->device_lock, flags);
+ if (!plug)
+ md_wakeup_thread(mddev->thread);
+ }
- cb = blk_check_plugged(raid10_unplug, mddev, sizeof(*plug));
- if (cb)
- plug = container_of(cb, struct raid10_plug_cb, cb);
- else
- plug = NULL;
- spin_lock_irqsave(&conf->device_lock, flags);
- if (plug) {
- bio_list_add(&plug->pending, mbio);
- plug->pending_cnt++;
- } else {
+ if (r10_bio->devs[i].repl_bio) {
+ struct md_rdev *rdev = conf->mirrors[d].replacement;
+ if (rdev == NULL) {
+ /* Replacement just got moved to main 'rdev' */
+ smp_mb();
+ rdev = conf->mirrors[d].rdev;
+ }
+ mbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
+ md_trim_bio(mbio, r10_bio->sector - bio->bi_sector,
+ max_sectors);
+ r10_bio->devs[i].repl_bio = mbio;
+
+ mbio->bi_sector = (r10_bio->devs[i].addr +
+ choose_data_offset(
+ r10_bio, rdev));
+ mbio->bi_bdev = rdev->bdev;
+ mbio->bi_end_io = raid10_end_write_request;
+ mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
+ mbio->bi_private = r10_bio;
+
+ atomic_inc(&r10_bio->remaining);
+ spin_lock_irqsave(&conf->device_lock, flags);
bio_list_add(&conf->pending_bio_list, mbio);
conf->pending_count++;
+ spin_unlock_irqrestore(&conf->device_lock, flags);
+ if (!mddev_check_plugged(mddev))
+ md_wakeup_thread(mddev->thread);
}
- spin_unlock_irqrestore(&conf->device_lock, flags);
- if (!plug)
- md_wakeup_thread(mddev->thread);
-
- if (!r10_bio->devs[i].repl_bio)
- continue;
-
- mbio = bio_clone_mddev(bio, GFP_NOIO, mddev);
- md_trim_bio(mbio, r10_bio->sector - bio->bi_sector,
- max_sectors);
- r10_bio->devs[i].repl_bio = mbio;
-
- /* We are actively writing to the original device
- * so it cannot disappear, so the replacement cannot
- * become NULL here
- */
- mbio->bi_sector = (r10_bio->devs[i].addr +
- choose_data_offset(
- r10_bio,
- conf->mirrors[d].replacement));
- mbio->bi_bdev = conf->mirrors[d].replacement->bdev;
- mbio->bi_end_io = raid10_end_write_request;
- mbio->bi_rw = WRITE | do_sync | do_fua | do_discard;
- mbio->bi_private = r10_bio;
-
- atomic_inc(&r10_bio->remaining);
- spin_lock_irqsave(&conf->device_lock, flags);
- bio_list_add(&conf->pending_bio_list, mbio);
- conf->pending_count++;
- spin_unlock_irqrestore(&conf->device_lock, flags);
- if (!mddev_check_plugged(mddev))
- md_wakeup_thread(mddev->thread);
}
/* Don't remove the bias on 'remaining' (one_write_done) until
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index c5439dc..a450268 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2774,10 +2774,12 @@
dev = &sh->dev[i];
if (!test_bit(R5_LOCKED, &dev->flags) &&
(test_bit(R5_UPTODATE, &dev->flags) ||
- test_and_clear_bit(R5_Discard, &dev->flags))) {
+ test_bit(R5_Discard, &dev->flags))) {
/* We can return any write requests */
struct bio *wbi, *wbi2;
pr_debug("Return write for disc %d\n", i);
+ if (test_and_clear_bit(R5_Discard, &dev->flags))
+ clear_bit(R5_UPTODATE, &dev->flags);
wbi = dev->written;
dev->written = NULL;
while (wbi && wbi->bi_sector <
@@ -2795,7 +2797,8 @@
!test_bit(STRIPE_DEGRADED, &sh->state),
0);
}
- }
+ } else if (test_bit(R5_Discard, &sh->dev[i].flags))
+ clear_bit(R5_Discard, &sh->dev[i].flags);
if (test_and_clear_bit(STRIPE_FULL_WRITE, &sh->state))
if (atomic_dec_and_test(&conf->pending_full_writes))
@@ -3490,40 +3493,6 @@
handle_failed_sync(conf, sh, &s);
}
- /*
- * might be able to return some write requests if the parity blocks
- * are safe, or on a failed drive
- */
- pdev = &sh->dev[sh->pd_idx];
- s.p_failed = (s.failed >= 1 && s.failed_num[0] == sh->pd_idx)
- || (s.failed >= 2 && s.failed_num[1] == sh->pd_idx);
- qdev = &sh->dev[sh->qd_idx];
- s.q_failed = (s.failed >= 1 && s.failed_num[0] == sh->qd_idx)
- || (s.failed >= 2 && s.failed_num[1] == sh->qd_idx)
- || conf->level < 6;
-
- if (s.written &&
- (s.p_failed || ((test_bit(R5_Insync, &pdev->flags)
- && !test_bit(R5_LOCKED, &pdev->flags)
- && (test_bit(R5_UPTODATE, &pdev->flags) ||
- test_bit(R5_Discard, &pdev->flags))))) &&
- (s.q_failed || ((test_bit(R5_Insync, &qdev->flags)
- && !test_bit(R5_LOCKED, &qdev->flags)
- && (test_bit(R5_UPTODATE, &qdev->flags) ||
- test_bit(R5_Discard, &qdev->flags))))))
- handle_stripe_clean_event(conf, sh, disks, &s.return_bi);
-
- /* Now we might consider reading some blocks, either to check/generate
- * parity, or to satisfy requests
- * or to load a block that is being partially written.
- */
- if (s.to_read || s.non_overwrite
- || (conf->level == 6 && s.to_write && s.failed)
- || (s.syncing && (s.uptodate + s.compute < disks))
- || s.replacing
- || s.expanding)
- handle_stripe_fill(sh, &s, disks);
-
/* Now we check to see if any write operations have recently
* completed
*/
@@ -3561,6 +3530,40 @@
s.dec_preread_active = 1;
}
+ /*
+ * might be able to return some write requests if the parity blocks
+ * are safe, or on a failed drive
+ */
+ pdev = &sh->dev[sh->pd_idx];
+ s.p_failed = (s.failed >= 1 && s.failed_num[0] == sh->pd_idx)
+ || (s.failed >= 2 && s.failed_num[1] == sh->pd_idx);
+ qdev = &sh->dev[sh->qd_idx];
+ s.q_failed = (s.failed >= 1 && s.failed_num[0] == sh->qd_idx)
+ || (s.failed >= 2 && s.failed_num[1] == sh->qd_idx)
+ || conf->level < 6;
+
+ if (s.written &&
+ (s.p_failed || ((test_bit(R5_Insync, &pdev->flags)
+ && !test_bit(R5_LOCKED, &pdev->flags)
+ && (test_bit(R5_UPTODATE, &pdev->flags) ||
+ test_bit(R5_Discard, &pdev->flags))))) &&
+ (s.q_failed || ((test_bit(R5_Insync, &qdev->flags)
+ && !test_bit(R5_LOCKED, &qdev->flags)
+ && (test_bit(R5_UPTODATE, &qdev->flags) ||
+ test_bit(R5_Discard, &qdev->flags))))))
+ handle_stripe_clean_event(conf, sh, disks, &s.return_bi);
+
+ /* Now we might consider reading some blocks, either to check/generate
+ * parity, or to satisfy requests
+ * or to load a block that is being partially written.
+ */
+ if (s.to_read || s.non_overwrite
+ || (conf->level == 6 && s.to_write && s.failed)
+ || (s.syncing && (s.uptodate + s.compute < disks))
+ || s.replacing
+ || s.expanding)
+ handle_stripe_fill(sh, &s, disks);
+
/* Now to consider new write requests and what else, if anything
* should be read. We do not handle new writes when:
* 1/ A 'write' operation (copy+xor) is already in flight.
@@ -5529,6 +5532,10 @@
* discard data disk but write parity disk
*/
stripe = stripe * PAGE_SIZE;
+ /* Round up to power of 2, as discard handling
+ * currently assumes that */
+ while ((stripe-1) & stripe)
+ stripe = (stripe | (stripe-1)) + 1;
mddev->queue->limits.discard_alignment = stripe;
mddev->queue->limits.discard_granularity = stripe;
/*
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c
index 8f52fc8..5a5cd2a 100644
--- a/drivers/mtd/devices/slram.c
+++ b/drivers/mtd/devices/slram.c
@@ -240,7 +240,7 @@
if (*(szlength) != '+') {
devlength = simple_strtoul(szlength, &buffer, 0);
- devlength = handle_unit(devlength, buffer) - devstart;
+ devlength = handle_unit(devlength, buffer);
if (devlength < devstart)
goto err_out;
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index ec6841d..1a03b7f 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2983,13 +2983,15 @@
/*
* Field definitions are in the following datasheets:
* Old style (4,5 byte ID): Samsung K9GAG08U0M (p.32)
- * New style (6 byte ID): Samsung K9GAG08U0F (p.44)
+ * New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44)
* Hynix MLC (6 byte ID): Hynix H27UBG8T2B (p.22)
*
- * Check for ID length, cell type, and Hynix/Samsung ID to decide what
- * to do.
+ * Check for ID length, non-zero 6th byte, cell type, and Hynix/Samsung
+ * ID to decide what to do.
*/
- if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG) {
+ if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG &&
+ (chip->cellinfo & NAND_CI_CELLTYPE_MSK) &&
+ id_data[5] != 0x00) {
/* Calc pagesize */
mtd->writesize = 2048 << (extid & 0x03);
extid >>= 2;
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index 64be8f08..d9127e2 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -121,7 +121,7 @@
nr_parts = plen / sizeof(part[0]);
*pparts = kzalloc(nr_parts * sizeof(*(*pparts)), GFP_KERNEL);
- if (!pparts)
+ if (!*pparts)
return -ENOMEM;
names = of_get_property(dp, "partition-names", &plen);
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 7153e0d2..b3f41f2 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -3694,7 +3694,7 @@
* flexonenand_set_boundary - Writes the SLC boundary
* @param mtd - mtd info structure
*/
-int flexonenand_set_boundary(struct mtd_info *mtd, int die,
+static int flexonenand_set_boundary(struct mtd_info *mtd, int die,
int boundary, int lock)
{
struct onenand_chip *this = mtd->priv;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b2530b0..5f5b69f 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1379,6 +1379,8 @@
struct net_device *bond_dev = bond->dev;
netdev_features_t vlan_features = BOND_VLAN_FEATURES;
unsigned short max_hard_header_len = ETH_HLEN;
+ unsigned int gso_max_size = GSO_MAX_SIZE;
+ u16 gso_max_segs = GSO_MAX_SEGS;
int i;
unsigned int flags, dst_release_flag = IFF_XMIT_DST_RELEASE;
@@ -1394,11 +1396,16 @@
dst_release_flag &= slave->dev->priv_flags;
if (slave->dev->hard_header_len > max_hard_header_len)
max_hard_header_len = slave->dev->hard_header_len;
+
+ gso_max_size = min(gso_max_size, slave->dev->gso_max_size);
+ gso_max_segs = min(gso_max_segs, slave->dev->gso_max_segs);
}
done:
bond_dev->vlan_features = vlan_features;
bond_dev->hard_header_len = max_hard_header_len;
+ bond_dev->gso_max_segs = gso_max_segs;
+ netif_set_gso_max_size(bond_dev, gso_max_size);
flags = bond_dev->priv_flags & ~IFF_XMIT_DST_RELEASE;
bond_dev->priv_flags = flags | dst_release_flag;
diff --git a/drivers/net/ethernet/8390/ne.c b/drivers/net/ethernet/8390/ne.c
index d04911d..47618e5 100644
--- a/drivers/net/ethernet/8390/ne.c
+++ b/drivers/net/ethernet/8390/ne.c
@@ -813,6 +813,7 @@
dev->irq = irq[this_dev];
dev->mem_end = bad[this_dev];
}
+ SET_NETDEV_DEV(dev, &pdev->dev);
err = do_ne_probe(dev);
if (err) {
free_netdev(dev);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index bd1fd3d..01611b3 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -9545,10 +9545,13 @@
*/
static void __devinit bnx2x_prev_interrupted_dmae(struct bnx2x *bp)
{
- u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
- if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
- BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
- REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, 1 << BP_FUNC(bp));
+ if (!CHIP_IS_E1x(bp)) {
+ u32 val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS);
+ if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN) {
+ BNX2X_ERR("was error bit was found to be set in pglueb upon startup. Clearing");
+ REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR,
+ 1 << BP_FUNC(bp));
+ }
}
}
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index 92317e9..60ac46f 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1860,10 +1860,14 @@
jme_clear_pm(jme);
JME_NAPI_ENABLE(jme);
- tasklet_enable(&jme->linkch_task);
- tasklet_enable(&jme->txclean_task);
- tasklet_hi_enable(&jme->rxclean_task);
- tasklet_hi_enable(&jme->rxempty_task);
+ tasklet_init(&jme->linkch_task, jme_link_change_tasklet,
+ (unsigned long) jme);
+ tasklet_init(&jme->txclean_task, jme_tx_clean_tasklet,
+ (unsigned long) jme);
+ tasklet_init(&jme->rxclean_task, jme_rx_clean_tasklet,
+ (unsigned long) jme);
+ tasklet_init(&jme->rxempty_task, jme_rx_empty_tasklet,
+ (unsigned long) jme);
rc = jme_request_irq(jme);
if (rc)
@@ -3079,22 +3083,6 @@
tasklet_init(&jme->pcc_task,
jme_pcc_tasklet,
(unsigned long) jme);
- tasklet_init(&jme->linkch_task,
- jme_link_change_tasklet,
- (unsigned long) jme);
- tasklet_init(&jme->txclean_task,
- jme_tx_clean_tasklet,
- (unsigned long) jme);
- tasklet_init(&jme->rxclean_task,
- jme_rx_clean_tasklet,
- (unsigned long) jme);
- tasklet_init(&jme->rxempty_task,
- jme_rx_empty_tasklet,
- (unsigned long) jme);
- tasklet_disable_nosync(&jme->linkch_task);
- tasklet_disable_nosync(&jme->txclean_task);
- tasklet_disable_nosync(&jme->rxclean_task);
- tasklet_disable_nosync(&jme->rxempty_task);
jme->dpi.cur = PCC_P1;
jme->reg_ghc = 0;
diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index e558edd..69e0197 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -5459,8 +5459,10 @@
rc = request_irq(dev->irq, netdev_intr, IRQF_SHARED, dev->name, dev);
if (rc)
return rc;
- tasklet_enable(&hw_priv->rx_tasklet);
- tasklet_enable(&hw_priv->tx_tasklet);
+ tasklet_init(&hw_priv->rx_tasklet, rx_proc_task,
+ (unsigned long) hw_priv);
+ tasklet_init(&hw_priv->tx_tasklet, tx_proc_task,
+ (unsigned long) hw_priv);
hw->promiscuous = 0;
hw->all_multi = 0;
@@ -7033,16 +7035,6 @@
spin_lock_init(&hw_priv->hwlock);
mutex_init(&hw_priv->lock);
- /* tasklet is enabled. */
- tasklet_init(&hw_priv->rx_tasklet, rx_proc_task,
- (unsigned long) hw_priv);
- tasklet_init(&hw_priv->tx_tasklet, tx_proc_task,
- (unsigned long) hw_priv);
-
- /* tasklet_enable will decrement the atomic counter. */
- tasklet_disable(&hw_priv->rx_tasklet);
- tasklet_disable(&hw_priv->tx_tasklet);
-
for (i = 0; i < TOTAL_PORT_NUM; i++)
init_waitqueue_head(&hw_priv->counter[i].counter);
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 1c81825..b01f83a 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -979,17 +979,6 @@
cpw32_f (MAC0 + 0, le32_to_cpu (*(__le32 *) (dev->dev_addr + 0)));
cpw32_f (MAC0 + 4, le32_to_cpu (*(__le32 *) (dev->dev_addr + 4)));
- cpw32_f(HiTxRingAddr, 0);
- cpw32_f(HiTxRingAddr + 4, 0);
-
- ring_dma = cp->ring_dma;
- cpw32_f(RxRingAddr, ring_dma & 0xffffffff);
- cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16);
-
- ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE;
- cpw32_f(TxRingAddr, ring_dma & 0xffffffff);
- cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16);
-
cp_start_hw(cp);
cpw8(TxThresh, 0x06); /* XXX convert magic num to a constant */
@@ -1003,6 +992,17 @@
cpw8(Config5, cpr8(Config5) & PMEStatus);
+ cpw32_f(HiTxRingAddr, 0);
+ cpw32_f(HiTxRingAddr + 4, 0);
+
+ ring_dma = cp->ring_dma;
+ cpw32_f(RxRingAddr, ring_dma & 0xffffffff);
+ cpw32_f(RxRingAddr + 4, (ring_dma >> 16) >> 16);
+
+ ring_dma += sizeof(struct cp_desc) * CP_RX_RING_SIZE;
+ cpw32_f(TxRingAddr, ring_dma & 0xffffffff);
+ cpw32_f(TxRingAddr + 4, (ring_dma >> 16) >> 16);
+
cpw16(MultiIntr, 0);
cpw8_f(Cfg9346, Cfg9346_Lock);
diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c
index fb9f6b3..edf5edb 100644
--- a/drivers/net/ethernet/sis/sis900.c
+++ b/drivers/net/ethernet/sis/sis900.c
@@ -2479,7 +2479,7 @@
netif_start_queue(net_dev);
/* Workaround for EDB */
- sis900_set_mode(ioaddr, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED);
+ sis900_set_mode(sis_priv, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED);
/* Enable all known interrupts by setting the interrupt mask. */
sw32(imr, RxSOVR | RxORN | RxERR | RxOK | TxURN | TxERR | TxIDLE);
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
index 62d1baf..c53c0f4 100644
--- a/drivers/net/ethernet/smsc/smsc911x.c
+++ b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2110,7 +2110,7 @@
static int __devinit smsc911x_init(struct net_device *dev)
{
struct smsc911x_data *pdata = netdev_priv(dev);
- unsigned int byte_test;
+ unsigned int byte_test, mask;
unsigned int to = 100;
SMSC_TRACE(pdata, probe, "Driver Parameters:");
@@ -2130,9 +2130,22 @@
/*
* poll the READY bit in PMT_CTRL. Any other access to the device is
* forbidden while this bit isn't set. Try for 100ms
+ *
+ * Note that this test is done before the WORD_SWAP register is
+ * programmed. So in some configurations the READY bit is at 16 before
+ * WORD_SWAP is written to. This issue is worked around by waiting
+ * until either bit 0 or bit 16 gets set in PMT_CTRL.
+ *
+ * SMSC has confirmed that checking bit 16 (marked as reserved in
+ * the datasheet) is fine since these bits "will either never be set
+ * or can only go high after READY does (so also indicate the device
+ * is ready)".
*/
- while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to)
+
+ mask = PMT_CTRL_READY_ | swahw32(PMT_CTRL_READY_);
+ while (!(smsc911x_reg_read(pdata, PMT_CTRL) & mask) && --to)
udelay(1000);
+
if (to == 0) {
pr_err("Device not READY in 100ms aborting\n");
return -ENODEV;
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 4e98100..66e025a 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -917,7 +917,7 @@
ingress_irq = rc;
tile_irq_activate(ingress_irq, TILE_IRQ_PERCPU);
rc = request_irq(ingress_irq, tile_net_handle_ingress_irq,
- 0, NULL, NULL);
+ 0, "tile_net", NULL);
if (rc != 0) {
netdev_err(dev, "request_irq failed: %d\n", rc);
destroy_irq(ingress_irq);
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
index 1d04754..a788501 100644
--- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
+++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
@@ -894,6 +894,8 @@
return IRQ_HANDLED;
}
+static void axienet_dma_err_handler(unsigned long data);
+
/**
* axienet_open - Driver open routine.
* @ndev: Pointer to net_device structure
@@ -942,6 +944,10 @@
phy_start(lp->phy_dev);
}
+ /* Enable tasklets for Axi DMA error handling */
+ tasklet_init(&lp->dma_err_tasklet, axienet_dma_err_handler,
+ (unsigned long) lp);
+
/* Enable interrupts for Axi DMA Tx */
ret = request_irq(lp->tx_irq, axienet_tx_irq, 0, ndev->name, ndev);
if (ret)
@@ -950,8 +956,7 @@
ret = request_irq(lp->rx_irq, axienet_rx_irq, 0, ndev->name, ndev);
if (ret)
goto err_rx_irq;
- /* Enable tasklets for Axi DMA error handling */
- tasklet_enable(&lp->dma_err_tasklet);
+
return 0;
err_rx_irq:
@@ -960,6 +965,7 @@
if (lp->phy_dev)
phy_disconnect(lp->phy_dev);
lp->phy_dev = NULL;
+ tasklet_kill(&lp->dma_err_tasklet);
dev_err(lp->dev, "request_irq() failed\n");
return ret;
}
@@ -1613,10 +1619,6 @@
goto err_iounmap_2;
}
- tasklet_init(&lp->dma_err_tasklet, axienet_dma_err_handler,
- (unsigned long) lp);
- tasklet_disable(&lp->dma_err_tasklet);
-
return 0;
err_iounmap_2:
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index 98934bd..477d672 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -1102,10 +1102,12 @@
{
int i;
- if (!ports_open)
- if (!(dma_pool = dma_pool_create(DRV_NAME, NULL,
- POOL_ALLOC_SIZE, 32, 0)))
+ if (!ports_open) {
+ dma_pool = dma_pool_create(DRV_NAME, &port->netdev->dev,
+ POOL_ALLOC_SIZE, 32, 0);
+ if (!dma_pool)
return -ENOMEM;
+ }
if (!(port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL,
&port->desc_tab_phys)))
diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c
index 5039f08..43e9ab4 100644
--- a/drivers/net/irda/sir_dev.c
+++ b/drivers/net/irda/sir_dev.c
@@ -222,7 +222,7 @@
break;
case SIRDEV_STATE_DONGLE_SPEED:
- if (dev->dongle_drv->reset) {
+ if (dev->dongle_drv->set_speed) {
ret = dev->dongle_drv->set_speed(dev, fsm->param);
if (ret < 0) {
fsm->result = ret;
diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c
index 6428fcb..daec9b0 100644
--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -234,7 +234,6 @@
struct mdiobb_ctrl *ctrl = bus->priv;
module_put(ctrl->ops->owner);
- mdiobus_unregister(bus);
mdiobus_free(bus);
}
EXPORT_SYMBOL(free_mdio_bitbang);
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 899274f..2ed1140 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -185,17 +185,20 @@
{
struct mdio_gpio_platform_data *pdata;
struct mii_bus *new_bus;
- int ret;
+ int ret, bus_id;
- if (pdev->dev.of_node)
+ if (pdev->dev.of_node) {
pdata = mdio_gpio_of_get_data(pdev);
- else
+ bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
+ } else {
pdata = pdev->dev.platform_data;
+ bus_id = pdev->id;
+ }
if (!pdata)
return -ENODEV;
- new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, pdev->id);
+ new_bus = mdio_gpio_bus_init(&pdev->dev, pdata, bus_id);
if (!new_bus)
return -ENODEV;
diff --git a/drivers/net/team/team_mode_broadcast.c b/drivers/net/team/team_mode_broadcast.c
index 9db0171..c5db428 100644
--- a/drivers/net/team/team_mode_broadcast.c
+++ b/drivers/net/team/team_mode_broadcast.c
@@ -29,8 +29,8 @@
if (last) {
skb2 = skb_clone(skb, GFP_ATOMIC);
if (skb2) {
- ret = team_dev_queue_xmit(team, last,
- skb2);
+ ret = !team_dev_queue_xmit(team, last,
+ skb2);
if (!sum_ret)
sum_ret = ret;
}
@@ -39,7 +39,7 @@
}
}
if (last) {
- ret = team_dev_queue_xmit(team, last, skb);
+ ret = !team_dev_queue_xmit(team, last, skb);
if (!sum_ret)
sum_ret = ret;
}
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 4cd582a..74fab1a 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -540,10 +540,12 @@
(ctx->ether_desc == NULL) || (ctx->control != intf))
goto error;
- /* claim interfaces, if any */
- temp = usb_driver_claim_interface(driver, ctx->data, dev);
- if (temp)
- goto error;
+ /* claim data interface, if different from control */
+ if (ctx->data != ctx->control) {
+ temp = usb_driver_claim_interface(driver, ctx->data, dev);
+ if (temp)
+ goto error;
+ }
iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber;
@@ -623,6 +625,10 @@
tasklet_kill(&ctx->bh);
+ /* handle devices with combined control and data interface */
+ if (ctx->control == ctx->data)
+ ctx->data = NULL;
+
/* disconnect master --> disconnect slave */
if (intf == ctx->control && ctx->data) {
usb_set_intfdata(ctx->data, NULL);
@@ -1245,6 +1251,14 @@
.driver_info = (unsigned long) &wwan_info,
},
+ /* Huawei NCM devices disguised as vendor specific */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x16),
+ .driver_info = (unsigned long)&wwan_info,
+ },
+ { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x46),
+ .driver_info = (unsigned long)&wwan_info,
+ },
+
/* Generic CDC-NCM devices */
{ USB_INTERFACE_INFO(USB_CLASS_COMM,
USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 3286166..362cb8c 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -184,7 +184,7 @@
/* set the address, index & direction (read from PHY) */
phy_id &= dev->mii.phy_id_mask;
idx &= dev->mii.reg_num_mask;
- addr = (phy_id << 11) | (idx << 6) | MII_READ_;
+ addr = (phy_id << 11) | (idx << 6) | MII_READ_ | MII_BUSY_;
ret = smsc95xx_write_reg(dev, MII_ADDR, addr);
check_warn_goto_done(ret, "Error writing MII_ADDR");
@@ -221,7 +221,7 @@
/* set the address, index & direction (write to PHY) */
phy_id &= dev->mii.phy_id_mask;
idx &= dev->mii.reg_num_mask;
- addr = (phy_id << 11) | (idx << 6) | MII_WRITE_;
+ addr = (phy_id << 11) | (idx << 6) | MII_WRITE_ | MII_BUSY_;
ret = smsc95xx_write_reg(dev, MII_ADDR, addr);
check_warn_goto_done(ret, "Error writing MII_ADDR");
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 7b4adde..8b5c619 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1,5 +1,5 @@
/*
- * VXLAN: Virtual eXtensiable Local Area Network
+ * VXLAN: Virtual eXtensible Local Area Network
*
* Copyright (c) 2012 Vyatta Inc.
*
@@ -50,8 +50,8 @@
#define VXLAN_N_VID (1u << 24)
#define VXLAN_VID_MASK (VXLAN_N_VID - 1)
-/* VLAN + IP header + UDP + VXLAN */
-#define VXLAN_HEADROOM (4 + 20 + 8 + 8)
+/* IP header + UDP + VXLAN + Ethernet header */
+#define VXLAN_HEADROOM (20 + 8 + 8 + 14)
#define VXLAN_FLAGS 0x08000000 /* struct vxlanhdr.vx_flags required value. */
@@ -1102,6 +1102,10 @@
if (!tb[IFLA_MTU])
dev->mtu = lowerdev->mtu - VXLAN_HEADROOM;
+
+ /* update header length based on lower device */
+ dev->hard_header_len = lowerdev->hard_header_len +
+ VXLAN_HEADROOM;
}
if (data[IFLA_VXLAN_TOS])
diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index 3f575af..e9a3da5 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c
@@ -969,10 +969,12 @@
{
int i;
- if (!ports_open)
- if (!(dma_pool = dma_pool_create(DRV_NAME, NULL,
- POOL_ALLOC_SIZE, 32, 0)))
+ if (!ports_open) {
+ dma_pool = dma_pool_create(DRV_NAME, &port->netdev->dev,
+ POOL_ALLOC_SIZE, 32, 0);
+ if (!dma_pool)
return -ENOMEM;
+ }
if (!(port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL,
&port->desc_tab_phys)))
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 8e1559a..1829b44 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1456,7 +1456,7 @@
switch (type) {
case ATH9K_RESET_POWER_ON:
ret = ath9k_hw_set_reset_power_on(ah);
- if (!ret)
+ if (ret)
ah->reset_power_on = true;
break;
case ATH9K_RESET_WARM:
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index a6f1e81..481345c 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -4401,7 +4401,7 @@
static void brcmf_wiphy_pno_params(struct wiphy *wiphy)
{
-#ifndef CONFIG_BRCMFISCAN
+#ifndef CONFIG_BRCMISCAN
/* scheduled scan settings */
wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT;
wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT;
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index ff8162d..2d9eee9 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -521,7 +521,7 @@
ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
if (iwlagn_tx_skb(priv, control->sta, skb))
- dev_kfree_skb_any(skb);
+ ieee80211_free_txskb(hw, skb);
}
static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw,
@@ -1354,6 +1354,20 @@
vif_priv->ctx = ctx;
ctx->vif = vif;
+ /*
+ * In SNIFFER device type, the firmware reports the FCS to
+ * the host, rather than snipping it off. Unfortunately,
+ * mac80211 doesn't (yet) provide a per-packet flag for
+ * this, so that we have to set the hardware flag based
+ * on the interfaces added. As the monitor interface can
+ * only be present by itself, and will be removed before
+ * other interfaces are added, this is safe.
+ */
+ if (vif->type == NL80211_IFTYPE_MONITOR)
+ priv->hw->flags |= IEEE80211_HW_RX_INCLUDES_FCS;
+ else
+ priv->hw->flags &= ~IEEE80211_HW_RX_INCLUDES_FCS;
+
err = iwl_setup_interface(priv, ctx);
if (!err || reset)
goto out;
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 7ff3f14..408132c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -2114,7 +2114,7 @@
info = IEEE80211_SKB_CB(skb);
iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]);
- dev_kfree_skb_any(skb);
+ ieee80211_free_txskb(priv->hw, skb);
}
static void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index 17c8e5d..bb69f8f 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -321,6 +321,14 @@
dma_map_page(trans->dev, page, 0,
PAGE_SIZE << trans_pcie->rx_page_order,
DMA_FROM_DEVICE);
+ if (dma_mapping_error(trans->dev, rxb->page_dma)) {
+ rxb->page = NULL;
+ spin_lock_irqsave(&rxq->lock, flags);
+ list_add(&rxb->list, &rxq->rx_used);
+ spin_unlock_irqrestore(&rxq->lock, flags);
+ __free_pages(page, trans_pcie->rx_page_order);
+ return;
+ }
/* dma address must be no more than 36 bits */
BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
/* and also 256 byte aligned! */
@@ -488,8 +496,19 @@
dma_map_page(trans->dev, rxb->page, 0,
PAGE_SIZE << trans_pcie->rx_page_order,
DMA_FROM_DEVICE);
- list_add_tail(&rxb->list, &rxq->rx_free);
- rxq->free_count++;
+ if (dma_mapping_error(trans->dev, rxb->page_dma)) {
+ /*
+ * free the page(s) as well to not break
+ * the invariant that the items on the used
+ * list have no page(s)
+ */
+ __free_pages(rxb->page, trans_pcie->rx_page_order);
+ rxb->page = NULL;
+ list_add_tail(&rxb->list, &rxq->rx_used);
+ } else {
+ list_add_tail(&rxb->list, &rxq->rx_free);
+ rxq->free_count++;
+ }
} else
list_add_tail(&rxb->list, &rxq->rx_used);
spin_unlock_irqrestore(&rxq->lock, flags);
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 105e3af..79a4ddc 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -480,20 +480,12 @@
void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- u16 rd_ptr, wr_ptr;
- int n_bd = trans_pcie->txq[txq_id].q.n_bd;
if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) {
WARN_ONCE(1, "queue %d not used", txq_id);
return;
}
- rd_ptr = iwl_read_prph(trans, SCD_QUEUE_RDPTR(txq_id)) & (n_bd - 1);
- wr_ptr = iwl_read_prph(trans, SCD_QUEUE_WRPTR(txq_id));
-
- WARN_ONCE(rd_ptr != wr_ptr, "queue %d isn't empty: [%d,%d]",
- txq_id, rd_ptr, wr_ptr);
-
iwl_txq_set_inactive(trans, txq_id);
IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
}
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 8d46510..ae9010e 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -890,9 +890,6 @@
return;
}
cmd_node = adapter->curr_cmd;
- if (cmd_node->wait_q_enabled)
- adapter->cmd_wait_q.status = -ETIMEDOUT;
-
if (cmd_node) {
adapter->dbg.timeout_cmd_id =
adapter->dbg.last_cmd_id[adapter->dbg.last_cmd_index];
@@ -938,6 +935,14 @@
dev_err(adapter->dev, "ps_mode=%d ps_state=%d\n",
adapter->ps_mode, adapter->ps_state);
+
+ if (cmd_node->wait_q_enabled) {
+ adapter->cmd_wait_q.status = -ETIMEDOUT;
+ wake_up_interruptible(&adapter->cmd_wait_q.wait);
+ mwifiex_cancel_pending_ioctl(adapter);
+ /* reset cmd_sent flag to unblock new commands */
+ adapter->cmd_sent = false;
+ }
}
if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
mwifiex_init_fw_complete(adapter);
diff --git a/drivers/net/wireless/mwifiex/sdio.c b/drivers/net/wireless/mwifiex/sdio.c
index fc8a9bf..82cf0fa 100644
--- a/drivers/net/wireless/mwifiex/sdio.c
+++ b/drivers/net/wireless/mwifiex/sdio.c
@@ -161,7 +161,6 @@
struct sdio_mmc_card *card;
struct mwifiex_adapter *adapter;
mmc_pm_flag_t pm_flag = 0;
- int hs_actived = 0;
int i;
int ret = 0;
@@ -188,12 +187,14 @@
adapter = card->adapter;
/* Enable the Host Sleep */
- hs_actived = mwifiex_enable_hs(adapter);
- if (hs_actived) {
- pr_debug("cmd: suspend with MMC_PM_KEEP_POWER\n");
- ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+ if (!mwifiex_enable_hs(adapter)) {
+ dev_err(adapter->dev, "cmd: failed to suspend\n");
+ return -EFAULT;
}
+ dev_dbg(adapter->dev, "cmd: suspend with MMC_PM_KEEP_POWER\n");
+ ret = sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+
/* Indicate device suspended */
adapter->is_suspended = true;
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
index 9970c2b..b7e6607 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -297,6 +297,7 @@
/*=== Customer ID ===*/
/****** 8188CU ********/
{RTL_USB_DEVICE(0x050d, 0x1102, rtl92cu_hal_cfg)}, /*Belkin - Edimax*/
+ {RTL_USB_DEVICE(0x050d, 0x11f2, rtl92cu_hal_cfg)}, /*Belkin - ISY*/
{RTL_USB_DEVICE(0x06f8, 0xe033, rtl92cu_hal_cfg)}, /*Hercules - Edimax*/
{RTL_USB_DEVICE(0x07b8, 0x8188, rtl92cu_hal_cfg)}, /*Abocom - Abocom*/
{RTL_USB_DEVICE(0x07b8, 0x8189, rtl92cu_hal_cfg)}, /*Funai - Abocom*/
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index caa0110..fc24eb9 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -452,29 +452,85 @@
/* Grant backend access to each skb fragment page. */
for (i = 0; i < frags; i++) {
skb_frag_t *frag = skb_shinfo(skb)->frags + i;
+ struct page *page = skb_frag_page(frag);
- tx->flags |= XEN_NETTXF_more_data;
+ len = skb_frag_size(frag);
+ offset = frag->page_offset;
- id = get_id_from_freelist(&np->tx_skb_freelist, np->tx_skbs);
- np->tx_skbs[id].skb = skb_get(skb);
- tx = RING_GET_REQUEST(&np->tx, prod++);
- tx->id = id;
- ref = gnttab_claim_grant_reference(&np->gref_tx_head);
- BUG_ON((signed short)ref < 0);
+ /* Data must not cross a page boundary. */
+ BUG_ON(len + offset > PAGE_SIZE<<compound_order(page));
- mfn = pfn_to_mfn(page_to_pfn(skb_frag_page(frag)));
- gnttab_grant_foreign_access_ref(ref, np->xbdev->otherend_id,
- mfn, GNTMAP_readonly);
+ /* Skip unused frames from start of page */
+ page += offset >> PAGE_SHIFT;
+ offset &= ~PAGE_MASK;
- tx->gref = np->grant_tx_ref[id] = ref;
- tx->offset = frag->page_offset;
- tx->size = skb_frag_size(frag);
- tx->flags = 0;
+ while (len > 0) {
+ unsigned long bytes;
+
+ BUG_ON(offset >= PAGE_SIZE);
+
+ bytes = PAGE_SIZE - offset;
+ if (bytes > len)
+ bytes = len;
+
+ tx->flags |= XEN_NETTXF_more_data;
+
+ id = get_id_from_freelist(&np->tx_skb_freelist,
+ np->tx_skbs);
+ np->tx_skbs[id].skb = skb_get(skb);
+ tx = RING_GET_REQUEST(&np->tx, prod++);
+ tx->id = id;
+ ref = gnttab_claim_grant_reference(&np->gref_tx_head);
+ BUG_ON((signed short)ref < 0);
+
+ mfn = pfn_to_mfn(page_to_pfn(page));
+ gnttab_grant_foreign_access_ref(ref,
+ np->xbdev->otherend_id,
+ mfn, GNTMAP_readonly);
+
+ tx->gref = np->grant_tx_ref[id] = ref;
+ tx->offset = offset;
+ tx->size = bytes;
+ tx->flags = 0;
+
+ offset += bytes;
+ len -= bytes;
+
+ /* Next frame */
+ if (offset == PAGE_SIZE && len) {
+ BUG_ON(!PageCompound(page));
+ page++;
+ offset = 0;
+ }
+ }
}
np->tx.req_prod_pvt = prod;
}
+/*
+ * Count how many ring slots are required to send the frags of this
+ * skb. Each frag might be a compound page.
+ */
+static int xennet_count_skb_frag_slots(struct sk_buff *skb)
+{
+ int i, frags = skb_shinfo(skb)->nr_frags;
+ int pages = 0;
+
+ for (i = 0; i < frags; i++) {
+ skb_frag_t *frag = skb_shinfo(skb)->frags + i;
+ unsigned long size = skb_frag_size(frag);
+ unsigned long offset = frag->page_offset;
+
+ /* Skip unused frames from start of page */
+ offset &= ~PAGE_MASK;
+
+ pages += PFN_UP(offset + size);
+ }
+
+ return pages;
+}
+
static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
unsigned short id;
@@ -487,23 +543,23 @@
grant_ref_t ref;
unsigned long mfn;
int notify;
- int frags = skb_shinfo(skb)->nr_frags;
+ int slots;
unsigned int offset = offset_in_page(data);
unsigned int len = skb_headlen(skb);
unsigned long flags;
- frags += DIV_ROUND_UP(offset + len, PAGE_SIZE);
- if (unlikely(frags > MAX_SKB_FRAGS + 1)) {
- printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n",
- frags);
- dump_stack();
+ slots = DIV_ROUND_UP(offset + len, PAGE_SIZE) +
+ xennet_count_skb_frag_slots(skb);
+ if (unlikely(slots > MAX_SKB_FRAGS + 1)) {
+ net_alert_ratelimited(
+ "xennet: skb rides the rocket: %d slots\n", slots);
goto drop;
}
spin_lock_irqsave(&np->tx_lock, flags);
if (unlikely(!netif_carrier_ok(dev) ||
- (frags > 1 && !xennet_can_sg(dev)) ||
+ (slots > 1 && !xennet_can_sg(dev)) ||
netif_needs_gso(skb, netif_skb_features(skb)))) {
spin_unlock_irqrestore(&np->tx_lock, flags);
goto drop;
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 97c440a..30ae18a 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -698,13 +698,14 @@
cmd = list_first_entry(&dev->cmd_queue, struct pn533_cmd, queue);
+ list_del(&cmd->queue);
+
mutex_unlock(&dev->cmd_lock);
__pn533_send_cmd_frame_async(dev, cmd->out_frame, cmd->in_frame,
cmd->in_frame_len, cmd->cmd_complete,
cmd->arg, cmd->flags);
- list_del(&cmd->queue);
kfree(cmd);
}
@@ -1678,11 +1679,14 @@
static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg,
u8 *params, int params_len)
{
- struct pn533_cmd_jump_dep *cmd;
struct pn533_cmd_jump_dep_response *resp;
struct nfc_target nfc_target;
u8 target_gt_len;
int rc;
+ struct pn533_cmd_jump_dep *cmd = (struct pn533_cmd_jump_dep *)arg;
+ u8 active = cmd->active;
+
+ kfree(arg);
if (params_len == -ENOENT) {
nfc_dev_dbg(&dev->interface->dev, "");
@@ -1704,7 +1708,6 @@
}
resp = (struct pn533_cmd_jump_dep_response *) params;
- cmd = (struct pn533_cmd_jump_dep *) arg;
rc = resp->status & PN533_CMD_RET_MASK;
if (rc != PN533_CMD_RET_SUCCESS) {
nfc_dev_err(&dev->interface->dev,
@@ -1734,7 +1737,7 @@
if (rc == 0)
rc = nfc_dep_link_is_up(dev->nfc_dev,
dev->nfc_dev->targets[0].idx,
- !cmd->active, NFC_RF_INITIATOR);
+ !active, NFC_RF_INITIATOR);
return 0;
}
@@ -1819,12 +1822,8 @@
rc = pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame,
dev->in_maxlen, pn533_in_dep_link_up_complete,
cmd, GFP_KERNEL);
- if (rc)
- goto out;
-
-
-out:
- kfree(cmd);
+ if (rc < 0)
+ kfree(cmd);
return rc;
}
@@ -2078,8 +2077,12 @@
static int pn533_tm_send_complete(struct pn533 *dev, void *arg,
u8 *params, int params_len)
{
+ struct sk_buff *skb_out = arg;
+
nfc_dev_dbg(&dev->interface->dev, "%s", __func__);
+ dev_kfree_skb(skb_out);
+
if (params_len < 0) {
nfc_dev_err(&dev->interface->dev,
"Error %d when sending data",
@@ -2117,7 +2120,7 @@
rc = pn533_send_cmd_frame_async(dev, out_frame, dev->in_frame,
dev->in_maxlen, pn533_tm_send_complete,
- NULL, GFP_KERNEL);
+ skb, GFP_KERNEL);
if (rc) {
nfc_dev_err(&dev->interface->dev,
"Error %d when trying to send data", rc);
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index d96caefd..aeecf0f 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -178,7 +178,7 @@
ports of 8 GPIO pins each.
config PINCTRL_SAMSUNG
- bool "Samsung pinctrl driver"
+ bool
depends on OF && GPIOLIB
select PINMUX
select PINCONF
diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index c17ae22..0c6fcb4 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -401,7 +401,7 @@
/**
* rio_map_inb_region -- Map inbound memory region.
* @mport: Master port.
- * @lstart: physical address of memory region to be mapped
+ * @local: physical address of memory region to be mapped
* @rbase: RIO base address assigned to this window
* @size: Size of the memory region
* @rflags: Flags for mapping.
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 5c4829c..e872c8b 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1381,22 +1381,14 @@
}
EXPORT_SYMBOL_GPL(regulator_get_exclusive);
-/**
- * regulator_put - "free" the regulator source
- * @regulator: regulator source
- *
- * Note: drivers must ensure that all regulator_enable calls made on this
- * regulator source are balanced by regulator_disable calls prior to calling
- * this function.
- */
-void regulator_put(struct regulator *regulator)
+/* Locks held by regulator_put() */
+static void _regulator_put(struct regulator *regulator)
{
struct regulator_dev *rdev;
if (regulator == NULL || IS_ERR(regulator))
return;
- mutex_lock(®ulator_list_mutex);
rdev = regulator->rdev;
debugfs_remove_recursive(regulator->debugfs);
@@ -1412,6 +1404,20 @@
rdev->exclusive = 0;
module_put(rdev->owner);
+}
+
+/**
+ * regulator_put - "free" the regulator source
+ * @regulator: regulator source
+ *
+ * Note: drivers must ensure that all regulator_enable calls made on this
+ * regulator source are balanced by regulator_disable calls prior to calling
+ * this function.
+ */
+void regulator_put(struct regulator *regulator)
+{
+ mutex_lock(®ulator_list_mutex);
+ _regulator_put(regulator);
mutex_unlock(®ulator_list_mutex);
}
EXPORT_SYMBOL_GPL(regulator_put);
@@ -1974,7 +1980,7 @@
if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
ret = regulator_get_voltage(regulator);
if (ret >= 0)
- return (min_uV >= ret && ret <= max_uV);
+ return (min_uV <= ret && ret <= max_uV);
else
return ret;
}
@@ -3365,7 +3371,7 @@
if (ret != 0) {
rdev_err(rdev, "Failed to request enable GPIO%d: %d\n",
config->ena_gpio, ret);
- goto clean;
+ goto wash;
}
rdev->ena_gpio = config->ena_gpio;
@@ -3445,10 +3451,11 @@
scrub:
if (rdev->supply)
- regulator_put(rdev->supply);
+ _regulator_put(rdev->supply);
if (rdev->ena_gpio)
gpio_free(rdev->ena_gpio);
kfree(rdev->constraints);
+wash:
device_unregister(&rdev->dev);
/* device core frees rdev */
rdev = ERR_PTR(ret);
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 9ffb6d5..4ed343e 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -44,7 +44,6 @@
#define RAW3215_NR_CCWS 3
#define RAW3215_TIMEOUT HZ/10 /* time for delayed output */
-#define RAW3215_FIXED 1 /* 3215 console device is not be freed */
#define RAW3215_WORKING 4 /* set if a request is being worked on */
#define RAW3215_THROTTLED 8 /* set if reading is disabled */
#define RAW3215_STOPPED 16 /* set if writing is disabled */
@@ -339,8 +338,10 @@
struct tty_struct *tty;
tty = tty_port_tty_get(&raw->port);
- tty_wakeup(tty);
- tty_kref_put(tty);
+ if (tty) {
+ tty_wakeup(tty);
+ tty_kref_put(tty);
+ }
}
/*
@@ -629,8 +630,7 @@
DECLARE_WAITQUEUE(wait, current);
unsigned long flags;
- if (!(raw->port.flags & ASYNC_INITIALIZED) ||
- (raw->flags & RAW3215_FIXED))
+ if (!(raw->port.flags & ASYNC_INITIALIZED))
return;
/* Wait for outstanding requests, then free irq */
spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags);
@@ -926,8 +926,6 @@
dev_set_drvdata(&cdev->dev, raw);
cdev->handler = raw3215_irq;
- raw->flags |= RAW3215_FIXED;
-
/* Request the console irq */
if (raw3215_startup(raw) != 0) {
raw3215_free_info(raw);
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 3e25d315..4d6ba00 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -2942,13 +2942,33 @@
QETH_DBF_TEXT(SETUP, 2, "qipasscb");
cmd = (struct qeth_ipa_cmd *) data;
+
+ switch (cmd->hdr.return_code) {
+ case IPA_RC_NOTSUPP:
+ case IPA_RC_L2_UNSUPPORTED_CMD:
+ QETH_DBF_TEXT(SETUP, 2, "ipaunsup");
+ card->options.ipa4.supported_funcs |= IPA_SETADAPTERPARMS;
+ card->options.ipa6.supported_funcs |= IPA_SETADAPTERPARMS;
+ return -0;
+ default:
+ if (cmd->hdr.return_code) {
+ QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled "
+ "rc=%d\n",
+ dev_name(&card->gdev->dev),
+ cmd->hdr.return_code);
+ return 0;
+ }
+ }
+
if (cmd->hdr.prot_version == QETH_PROT_IPV4) {
card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported;
card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled;
- } else {
+ } else if (cmd->hdr.prot_version == QETH_PROT_IPV6) {
card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported;
card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled;
- }
+ } else
+ QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected"
+ "\n", dev_name(&card->gdev->dev));
QETH_DBF_TEXT(SETUP, 2, "suppenbl");
QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported);
QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled);
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index e67e025..fddb626 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -626,10 +626,13 @@
QETH_DBF_TEXT(SETUP, 2, "doL2init");
QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card));
- rc = qeth_query_setadapterparms(card);
- if (rc) {
- QETH_DBF_MESSAGE(2, "could not query adapter parameters on "
- "device %s: x%x\n", CARD_BUS_ID(card), rc);
+ if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) {
+ rc = qeth_query_setadapterparms(card);
+ if (rc) {
+ QETH_DBF_MESSAGE(2, "could not query adapter "
+ "parameters on device %s: x%x\n",
+ CARD_BUS_ID(card), rc);
+ }
}
if (card->info.type == QETH_CARD_TYPE_IQD ||
@@ -676,7 +679,7 @@
return -ERESTARTSYS;
}
rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]);
- if (!rc)
+ if (!rc || (rc == IPA_RC_L2_MAC_NOT_FOUND))
rc = qeth_l2_send_setmac(card, addr->sa_data);
return rc ? -EINVAL : 0;
}
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index c1bafc3..9594ab6 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -1972,7 +1972,7 @@
frame_index,
(void **)&frame_buffer);
- sci_controller_copy_sata_response(&ireq->stp.req,
+ sci_controller_copy_sata_response(&ireq->stp.rsp,
frame_header,
frame_buffer);
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 2936b44..2c0d0ec 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -55,6 +55,7 @@
#include <linux/cpu.h>
#include <linux/mutex.h>
#include <linux/async.h>
+#include <asm/unaligned.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -1062,6 +1063,50 @@
EXPORT_SYMBOL_GPL(scsi_get_vpd_page);
/**
+ * scsi_report_opcode - Find out if a given command opcode is supported
+ * @sdev: scsi device to query
+ * @buffer: scratch buffer (must be at least 20 bytes long)
+ * @len: length of buffer
+ * @opcode: opcode for command to look up
+ *
+ * Uses the REPORT SUPPORTED OPERATION CODES to look up the given
+ * opcode. Returns 0 if RSOC fails or if the command opcode is
+ * unsupported. Returns 1 if the device claims to support the command.
+ */
+int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,
+ unsigned int len, unsigned char opcode)
+{
+ unsigned char cmd[16];
+ struct scsi_sense_hdr sshdr;
+ int result;
+
+ if (sdev->no_report_opcodes || sdev->scsi_level < SCSI_SPC_3)
+ return 0;
+
+ memset(cmd, 0, 16);
+ cmd[0] = MAINTENANCE_IN;
+ cmd[1] = MI_REPORT_SUPPORTED_OPERATION_CODES;
+ cmd[2] = 1; /* One command format */
+ cmd[3] = opcode;
+ put_unaligned_be32(len, &cmd[6]);
+ memset(buffer, 0, len);
+
+ result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,
+ &sshdr, 30 * HZ, 3, NULL);
+
+ if (result && scsi_sense_valid(&sshdr) &&
+ sshdr.sense_key == ILLEGAL_REQUEST &&
+ (sshdr.asc == 0x20 || sshdr.asc == 0x24) && sshdr.ascq == 0x00)
+ return 0;
+
+ if ((buffer[1] & 3) == 3) /* Command supported */
+ return 1;
+
+ return 0;
+}
+EXPORT_SYMBOL(scsi_report_opcode);
+
+/**
* scsi_device_get - get an additional reference to a scsi_device
* @sdev: device to get a reference to
*
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index da36a3a..9032e91 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -900,11 +900,23 @@
action = ACTION_FAIL;
error = -EILSEQ;
/* INVALID COMMAND OPCODE or INVALID FIELD IN CDB */
- } else if ((sshdr.asc == 0x20 || sshdr.asc == 0x24) &&
- (cmd->cmnd[0] == UNMAP ||
- cmd->cmnd[0] == WRITE_SAME_16 ||
- cmd->cmnd[0] == WRITE_SAME)) {
- description = "Discard failure";
+ } else if (sshdr.asc == 0x20 || sshdr.asc == 0x24) {
+ switch (cmd->cmnd[0]) {
+ case UNMAP:
+ description = "Discard failure";
+ break;
+ case WRITE_SAME:
+ case WRITE_SAME_16:
+ if (cmd->cmnd[1] & 0x8)
+ description = "Discard failure";
+ else
+ description =
+ "Write same failure";
+ break;
+ default:
+ description = "Invalid command failure";
+ break;
+ }
action = ACTION_FAIL;
error = -EREMOTEIO;
} else
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 12f6fdf..352bc77 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -99,6 +99,7 @@
#endif
static void sd_config_discard(struct scsi_disk *, unsigned int);
+static void sd_config_write_same(struct scsi_disk *);
static int sd_revalidate_disk(struct gendisk *);
static void sd_unlock_native_capacity(struct gendisk *disk);
static int sd_probe(struct device *);
@@ -395,6 +396,45 @@
return err ? err : count;
}
+static ssize_t
+sd_show_write_same_blocks(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_disk *sdkp = to_scsi_disk(dev);
+
+ return snprintf(buf, 20, "%u\n", sdkp->max_ws_blocks);
+}
+
+static ssize_t
+sd_store_write_same_blocks(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct scsi_disk *sdkp = to_scsi_disk(dev);
+ struct scsi_device *sdp = sdkp->device;
+ unsigned long max;
+ int err;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+
+ if (sdp->type != TYPE_DISK)
+ return -EINVAL;
+
+ err = kstrtoul(buf, 10, &max);
+
+ if (err)
+ return err;
+
+ if (max == 0)
+ sdp->no_write_same = 1;
+ else if (max <= SD_MAX_WS16_BLOCKS)
+ sdkp->max_ws_blocks = max;
+
+ sd_config_write_same(sdkp);
+
+ return count;
+}
+
static struct device_attribute sd_disk_attrs[] = {
__ATTR(cache_type, S_IRUGO|S_IWUSR, sd_show_cache_type,
sd_store_cache_type),
@@ -410,6 +450,8 @@
__ATTR(thin_provisioning, S_IRUGO, sd_show_thin_provisioning, NULL),
__ATTR(provisioning_mode, S_IRUGO|S_IWUSR, sd_show_provisioning_mode,
sd_store_provisioning_mode),
+ __ATTR(max_write_same_blocks, S_IRUGO|S_IWUSR,
+ sd_show_write_same_blocks, sd_store_write_same_blocks),
__ATTR(max_medium_access_timeouts, S_IRUGO|S_IWUSR,
sd_show_max_medium_access_timeouts,
sd_store_max_medium_access_timeouts),
@@ -561,19 +603,23 @@
return;
case SD_LBP_UNMAP:
- max_blocks = min_not_zero(sdkp->max_unmap_blocks, 0xffffffff);
+ max_blocks = min_not_zero(sdkp->max_unmap_blocks,
+ (u32)SD_MAX_WS16_BLOCKS);
break;
case SD_LBP_WS16:
- max_blocks = min_not_zero(sdkp->max_ws_blocks, 0xffffffff);
+ max_blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS16_BLOCKS);
break;
case SD_LBP_WS10:
- max_blocks = min_not_zero(sdkp->max_ws_blocks, (u32)0xffff);
+ max_blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS10_BLOCKS);
break;
case SD_LBP_ZERO:
- max_blocks = min_not_zero(sdkp->max_ws_blocks, (u32)0xffff);
+ max_blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS10_BLOCKS);
q->limits.discard_zeroes_data = 1;
break;
}
@@ -583,29 +629,26 @@
}
/**
- * scsi_setup_discard_cmnd - unmap blocks on thinly provisioned device
+ * sd_setup_discard_cmnd - unmap blocks on thinly provisioned device
* @sdp: scsi device to operate one
* @rq: Request to prepare
*
* Will issue either UNMAP or WRITE SAME(16) depending on preference
* indicated by target device.
**/
-static int scsi_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq)
+static int sd_setup_discard_cmnd(struct scsi_device *sdp, struct request *rq)
{
struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
- struct bio *bio = rq->bio;
- sector_t sector = bio->bi_sector;
- unsigned int nr_sectors = bio_sectors(bio);
+ sector_t sector = blk_rq_pos(rq);
+ unsigned int nr_sectors = blk_rq_sectors(rq);
+ unsigned int nr_bytes = blk_rq_bytes(rq);
unsigned int len;
int ret;
char *buf;
struct page *page;
- if (sdkp->device->sector_size == 4096) {
- sector >>= 3;
- nr_sectors >>= 3;
- }
-
+ sector >>= ilog2(sdp->sector_size) - 9;
+ nr_sectors >>= ilog2(sdp->sector_size) - 9;
rq->timeout = SD_TIMEOUT;
memset(rq->cmd, 0, rq->cmd_len);
@@ -660,6 +703,7 @@
blk_add_request_payload(rq, page, len);
ret = scsi_setup_blk_pc_cmnd(sdp, rq);
rq->buffer = page_address(page);
+ rq->__data_len = nr_bytes;
out:
if (ret != BLKPREP_OK) {
@@ -669,6 +713,83 @@
return ret;
}
+static void sd_config_write_same(struct scsi_disk *sdkp)
+{
+ struct request_queue *q = sdkp->disk->queue;
+ unsigned int logical_block_size = sdkp->device->sector_size;
+ unsigned int blocks = 0;
+
+ if (sdkp->device->no_write_same) {
+ sdkp->max_ws_blocks = 0;
+ goto out;
+ }
+
+ /* Some devices can not handle block counts above 0xffff despite
+ * supporting WRITE SAME(16). Consequently we default to 64k
+ * blocks per I/O unless the device explicitly advertises a
+ * bigger limit.
+ */
+ if (sdkp->max_ws_blocks == 0)
+ sdkp->max_ws_blocks = SD_MAX_WS10_BLOCKS;
+
+ if (sdkp->ws16 || sdkp->max_ws_blocks > SD_MAX_WS10_BLOCKS)
+ blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS16_BLOCKS);
+ else
+ blocks = min_not_zero(sdkp->max_ws_blocks,
+ (u32)SD_MAX_WS10_BLOCKS);
+
+out:
+ blk_queue_max_write_same_sectors(q, blocks * (logical_block_size >> 9));
+}
+
+/**
+ * sd_setup_write_same_cmnd - write the same data to multiple blocks
+ * @sdp: scsi device to operate one
+ * @rq: Request to prepare
+ *
+ * Will issue either WRITE SAME(10) or WRITE SAME(16) depending on
+ * preference indicated by target device.
+ **/
+static int sd_setup_write_same_cmnd(struct scsi_device *sdp, struct request *rq)
+{
+ struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+ struct bio *bio = rq->bio;
+ sector_t sector = blk_rq_pos(rq);
+ unsigned int nr_sectors = blk_rq_sectors(rq);
+ unsigned int nr_bytes = blk_rq_bytes(rq);
+ int ret;
+
+ if (sdkp->device->no_write_same)
+ return BLKPREP_KILL;
+
+ BUG_ON(bio_offset(bio) || bio_iovec(bio)->bv_len != sdp->sector_size);
+
+ sector >>= ilog2(sdp->sector_size) - 9;
+ nr_sectors >>= ilog2(sdp->sector_size) - 9;
+
+ rq->__data_len = sdp->sector_size;
+ rq->timeout = SD_WRITE_SAME_TIMEOUT;
+ memset(rq->cmd, 0, rq->cmd_len);
+
+ if (sdkp->ws16 || sector > 0xffffffff || nr_sectors > 0xffff) {
+ rq->cmd_len = 16;
+ rq->cmd[0] = WRITE_SAME_16;
+ put_unaligned_be64(sector, &rq->cmd[2]);
+ put_unaligned_be32(nr_sectors, &rq->cmd[10]);
+ } else {
+ rq->cmd_len = 10;
+ rq->cmd[0] = WRITE_SAME;
+ put_unaligned_be32(sector, &rq->cmd[2]);
+ put_unaligned_be16(nr_sectors, &rq->cmd[7]);
+ }
+
+ ret = scsi_setup_blk_pc_cmnd(sdp, rq);
+ rq->__data_len = nr_bytes;
+
+ return ret;
+}
+
static int scsi_setup_flush_cmnd(struct scsi_device *sdp, struct request *rq)
{
rq->timeout = SD_FLUSH_TIMEOUT;
@@ -712,7 +833,10 @@
* block PC requests to make life easier.
*/
if (rq->cmd_flags & REQ_DISCARD) {
- ret = scsi_setup_discard_cmnd(sdp, rq);
+ ret = sd_setup_discard_cmnd(sdp, rq);
+ goto out;
+ } else if (rq->cmd_flags & REQ_WRITE_SAME) {
+ ret = sd_setup_write_same_cmnd(sdp, rq);
goto out;
} else if (rq->cmd_flags & REQ_FLUSH) {
ret = scsi_setup_flush_cmnd(sdp, rq);
@@ -1482,12 +1606,21 @@
unsigned int good_bytes = result ? 0 : scsi_bufflen(SCpnt);
struct scsi_sense_hdr sshdr;
struct scsi_disk *sdkp = scsi_disk(SCpnt->request->rq_disk);
+ struct request *req = SCpnt->request;
int sense_valid = 0;
int sense_deferred = 0;
unsigned char op = SCpnt->cmnd[0];
+ unsigned char unmap = SCpnt->cmnd[1] & 8;
- if ((SCpnt->request->cmd_flags & REQ_DISCARD) && !result)
- scsi_set_resid(SCpnt, 0);
+ if (req->cmd_flags & REQ_DISCARD || req->cmd_flags & REQ_WRITE_SAME) {
+ if (!result) {
+ good_bytes = blk_rq_bytes(req);
+ scsi_set_resid(SCpnt, 0);
+ } else {
+ good_bytes = 0;
+ scsi_set_resid(SCpnt, blk_rq_bytes(req));
+ }
+ }
if (result) {
sense_valid = scsi_command_normalize_sense(SCpnt, &sshdr);
@@ -1536,9 +1669,25 @@
if (sshdr.asc == 0x10) /* DIX: Host detected corruption */
good_bytes = sd_completed_bytes(SCpnt);
/* INVALID COMMAND OPCODE or INVALID FIELD IN CDB */
- if ((sshdr.asc == 0x20 || sshdr.asc == 0x24) &&
- (op == UNMAP || op == WRITE_SAME_16 || op == WRITE_SAME))
- sd_config_discard(sdkp, SD_LBP_DISABLE);
+ if (sshdr.asc == 0x20 || sshdr.asc == 0x24) {
+ switch (op) {
+ case UNMAP:
+ sd_config_discard(sdkp, SD_LBP_DISABLE);
+ break;
+ case WRITE_SAME_16:
+ case WRITE_SAME:
+ if (unmap)
+ sd_config_discard(sdkp, SD_LBP_DISABLE);
+ else {
+ sdkp->device->no_write_same = 1;
+ sd_config_write_same(sdkp);
+
+ good_bytes = 0;
+ req->__data_len = blk_rq_bytes(req);
+ req->cmd_flags |= REQ_QUIET;
+ }
+ }
+ }
break;
default:
break;
@@ -2374,9 +2523,7 @@
if (buffer[3] == 0x3c) {
unsigned int lba_count, desc_count;
- sdkp->max_ws_blocks =
- (u32) min_not_zero(get_unaligned_be64(&buffer[36]),
- (u64)0xffffffff);
+ sdkp->max_ws_blocks = (u32)get_unaligned_be64(&buffer[36]);
if (!sdkp->lbpme)
goto out;
@@ -2469,6 +2616,13 @@
kfree(buffer);
}
+static void sd_read_write_same(struct scsi_disk *sdkp, unsigned char *buffer)
+{
+ if (scsi_report_opcode(sdkp->device, buffer, SD_BUF_SIZE,
+ WRITE_SAME_16))
+ sdkp->ws16 = 1;
+}
+
static int sd_try_extended_inquiry(struct scsi_device *sdp)
{
/*
@@ -2528,6 +2682,7 @@
sd_read_write_protect_flag(sdkp, buffer);
sd_read_cache_type(sdkp, buffer);
sd_read_app_tag_own(sdkp, buffer);
+ sd_read_write_same(sdkp, buffer);
}
sdkp->first_scan = 0;
@@ -2545,6 +2700,7 @@
blk_queue_flush(sdkp->disk->queue, flush);
set_capacity(disk, sdkp->capacity);
+ sd_config_write_same(sdkp);
kfree(buffer);
out:
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index 47c52a6..74a1e4c 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -14,6 +14,7 @@
#define SD_TIMEOUT (30 * HZ)
#define SD_MOD_TIMEOUT (75 * HZ)
#define SD_FLUSH_TIMEOUT (60 * HZ)
+#define SD_WRITE_SAME_TIMEOUT (120 * HZ)
/*
* Number of allowed retries
@@ -39,6 +40,11 @@
};
enum {
+ SD_MAX_WS10_BLOCKS = 0xffff,
+ SD_MAX_WS16_BLOCKS = 0x7fffff,
+};
+
+enum {
SD_LBP_FULL = 0, /* Full logical block provisioning */
SD_LBP_UNMAP, /* Use UNMAP command */
SD_LBP_WS16, /* Use WRITE SAME(16) with UNMAP bit */
@@ -77,6 +83,7 @@
unsigned lbpws : 1;
unsigned lbpws10 : 1;
unsigned lbpvpd : 1;
+ unsigned ws16 : 1;
};
#define to_scsi_disk(obj) container_of(obj,struct scsi_disk,dev)
diff --git a/drivers/staging/android/android_alarm.h b/drivers/staging/android/android_alarm.h
index f2ffd96..d0cafd6 100644
--- a/drivers/staging/android/android_alarm.h
+++ b/drivers/staging/android/android_alarm.h
@@ -51,12 +51,10 @@
#define ANDROID_ALARM_WAIT _IO('a', 1)
#define ALARM_IOW(c, type, size) _IOW('a', (c) | ((type) << 4), size)
-#define ALARM_IOR(c, type, size) _IOR('a', (c) | ((type) << 4), size)
-
/* Set alarm */
#define ANDROID_ALARM_SET(type) ALARM_IOW(2, type, struct timespec)
#define ANDROID_ALARM_SET_AND_WAIT(type) ALARM_IOW(3, type, struct timespec)
-#define ANDROID_ALARM_GET_TIME(type) ALARM_IOR(4, type, struct timespec)
+#define ANDROID_ALARM_GET_TIME(type) ALARM_IOW(4, type, struct timespec)
#define ANDROID_ALARM_SET_RTC _IOW('a', 5, struct timespec)
#define ANDROID_ALARM_BASE_CMD(cmd) (cmd & ~(_IOC(0, 0, 0xf0, 0)))
#define ANDROID_ALARM_IOCTL_TO_TYPE(cmd) (_IOC_NR(cmd) >> 4)
diff --git a/drivers/staging/gdm72xx/gdm_usb.c b/drivers/staging/gdm72xx/gdm_usb.c
index 0c9e895..39db582 100644
--- a/drivers/staging/gdm72xx/gdm_usb.c
+++ b/drivers/staging/gdm72xx/gdm_usb.c
@@ -701,8 +701,6 @@
unsigned long flags, flags2, expire;
int ret;
- daemonize("k_mode_wimax");
-
while (!k_mode_stop) {
spin_lock_irqsave(&k_lock, flags2);
@@ -764,7 +762,7 @@
static int __init usb_gdm_wimax_init(void)
{
#ifdef CONFIG_WIMAX_GDM72XX_K_MODE
- kthread_run(k_mode_thread, NULL, "WiMax_thread");
+ kthread_run(k_mode_thread, NULL, "k_mode_wimax");
#endif /* CONFIG_WIMAX_GDM72XX_K_MODE */
return usb_register(&gdm_usb_driver);
}
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index a5dec1c..13ee53b 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -424,7 +424,6 @@
{
struct hvc_struct *hp = tty->driver_data;
unsigned long flags;
- int temp_open_count;
if (!hp)
return;
@@ -444,7 +443,6 @@
return;
}
- temp_open_count = hp->port.count;
hp->port.count = 0;
spin_unlock_irqrestore(&hp->port.lock, flags);
tty_port_tty_set(&hp->port, NULL);
@@ -453,11 +451,6 @@
if (hp->ops->notifier_hangup)
hp->ops->notifier_hangup(hp, hp->data);
-
- while(temp_open_count) {
- --temp_open_count;
- tty_port_put(&hp->port);
- }
}
/*
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 2bc28a5..1ab1d2c 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -1239,6 +1239,7 @@
static const struct spi_device_id max310x_id_table[] = {
{ "max3107", MAX310X_TYPE_MAX3107 },
{ "max3108", MAX310X_TYPE_MAX3108 },
+ { }
};
MODULE_DEVICE_TABLE(spi, max310x_id_table);
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 1e741bc..f034716 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -2151,8 +2151,15 @@
irqreturn_t usb_hcd_irq (int irq, void *__hcd)
{
struct usb_hcd *hcd = __hcd;
+ unsigned long flags;
irqreturn_t rc;
+ /* IRQF_DISABLED doesn't work correctly with shared IRQs
+ * when the first handler doesn't use it. So let's just
+ * assume it's never used.
+ */
+ local_irq_save(flags);
+
if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd)))
rc = IRQ_NONE;
else if (hcd->driver->irq(hcd) == IRQ_NONE)
@@ -2160,6 +2167,7 @@
else
rc = IRQ_HANDLED;
+ local_irq_restore(flags);
return rc;
}
EXPORT_SYMBOL_GPL(usb_hcd_irq);
@@ -2347,6 +2355,14 @@
int retval;
if (hcd->driver->irq) {
+
+ /* IRQF_DISABLED doesn't work as advertised when used together
+ * with IRQF_SHARED. As usb_hcd_irq() will always disable
+ * interrupts we can remove it here.
+ */
+ if (irqflags & IRQF_SHARED)
+ irqflags &= ~IRQF_DISABLED;
+
snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d",
hcd->driver->description, hcd->self.busnum);
retval = request_irq(irqnum, &usb_hcd_irq, irqflags,
diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
index e426ad6..4bfa78a 100644
--- a/drivers/usb/early/ehci-dbgp.c
+++ b/drivers/usb/early/ehci-dbgp.c
@@ -20,6 +20,7 @@
#include <linux/usb/ehci_def.h>
#include <linux/delay.h>
#include <linux/serial_core.h>
+#include <linux/kconfig.h>
#include <linux/kgdb.h>
#include <linux/kthread.h>
#include <asm/io.h>
@@ -614,12 +615,6 @@
return -ENODEV;
}
-int dbgp_external_startup(struct usb_hcd *hcd)
-{
- return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup();
-}
-EXPORT_SYMBOL_GPL(dbgp_external_startup);
-
static int ehci_reset_port(int port)
{
u32 portsc;
@@ -979,6 +974,7 @@
.index = -1,
};
+#if IS_ENABLED(CONFIG_USB_EHCI_HCD)
int dbgp_reset_prep(struct usb_hcd *hcd)
{
int ret = xen_dbgp_reset_prep(hcd);
@@ -1007,6 +1003,13 @@
}
EXPORT_SYMBOL_GPL(dbgp_reset_prep);
+int dbgp_external_startup(struct usb_hcd *hcd)
+{
+ return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup();
+}
+EXPORT_SYMBOL_GPL(dbgp_external_startup);
+#endif /* USB_EHCI_HCD */
+
#ifdef CONFIG_KGDB
static char kgdbdbgp_buf[DBGP_MAX_PACKET];
diff --git a/drivers/usb/host/ehci-ls1x.c b/drivers/usb/host/ehci-ls1x.c
index ca75965..aa0f328 100644
--- a/drivers/usb/host/ehci-ls1x.c
+++ b/drivers/usb/host/ehci-ls1x.c
@@ -113,7 +113,7 @@
goto err_put_hcd;
}
- ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
+ ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
if (ret)
goto err_put_hcd;
diff --git a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c
index 84201cd..41e378f 100644
--- a/drivers/usb/host/ohci-xls.c
+++ b/drivers/usb/host/ohci-xls.c
@@ -56,7 +56,7 @@
goto err3;
}
- retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
+ retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
if (retval != 0)
goto err4;
return retval;
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index d0b87e7..b6b84da 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -707,11 +707,12 @@
fifo_count = musb_readw(epio, MUSB_RXCOUNT);
/*
- * use mode 1 only if we expect data of at least ep packet_sz
- * and have not yet received a short packet
+ * Enable Mode 1 on RX transfers only when short_not_ok flag
+ * is set. Currently short_not_ok flag is set only from
+ * file_storage and f_mass_storage drivers
*/
- if ((request->length - request->actual >= musb_ep->packet_sz) &&
- (fifo_count >= musb_ep->packet_sz))
+
+ if (request->short_not_ok && fifo_count == musb_ep->packet_sz)
use_mode_1 = 1;
else
use_mode_1 = 0;
@@ -727,6 +728,27 @@
c = musb->dma_controller;
channel = musb_ep->dma;
+ /* We use DMA Req mode 0 in rx_csr, and DMA controller operates in
+ * mode 0 only. So we do not get endpoint interrupts due to DMA
+ * completion. We only get interrupts from DMA controller.
+ *
+ * We could operate in DMA mode 1 if we knew the size of the tranfer
+ * in advance. For mass storage class, request->length = what the host
+ * sends, so that'd work. But for pretty much everything else,
+ * request->length is routinely more than what the host sends. For
+ * most these gadgets, end of is signified either by a short packet,
+ * or filling the last byte of the buffer. (Sending extra data in
+ * that last pckate should trigger an overflow fault.) But in mode 1,
+ * we don't get DMA completion interrupt for short packets.
+ *
+ * Theoretically, we could enable DMAReq irq (MUSB_RXCSR_DMAMODE = 1),
+ * to get endpoint interrupt on every DMA req, but that didn't seem
+ * to work reliably.
+ *
+ * REVISIT an updated g_file_storage can set req->short_not_ok, which
+ * then becomes usable as a runtime "use mode 1" hint...
+ */
+
/* Experimental: Mode1 works with mass storage use cases */
if (use_mode_1) {
csr |= MUSB_RXCSR_AUTOCLEAR;
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index d62a91f..0e62f50 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -65,7 +65,7 @@
struct platform_device *musb;
struct ux500_glue *glue;
struct clk *clk;
-
+ int musbid;
int ret = -ENOMEM;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index d8c8a42..6223062 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -58,7 +58,7 @@
config TWL4030_USB
tristate "TWL4030 USB Transceiver Driver"
- depends on TWL4030_CORE && REGULATOR_TWL4030
+ depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS
select USB_OTG_UTILS
help
Enable this to support the USB OTG transceiver on TWL4030
@@ -68,7 +68,7 @@
config TWL6030_USB
tristate "TWL6030 USB Transceiver Driver"
- depends on TWL4030_CORE && OMAP_USB2
+ depends on TWL4030_CORE && OMAP_USB2 && USB_MUSB_OMAP2PLUS
select USB_OTG_UTILS
help
Enable this to support the USB OTG transceiver on TWL6030
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 7179b0c..cff8dd5 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -2430,7 +2430,7 @@
static int keyspan_port_probe(struct usb_serial_port *port)
{
struct usb_serial *serial = port->serial;
- struct keyspan_port_private *s_priv;
+ struct keyspan_serial_private *s_priv;
struct keyspan_port_private *p_priv;
const struct keyspan_device_details *d_details;
struct callbacks *cback;
@@ -2445,7 +2445,6 @@
if (!p_priv)
return -ENOMEM;
- s_priv = usb_get_serial_data(port->serial);
p_priv->device_details = d_details;
/* Setup values for the various callback routines */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 5dee7d6..edc64bb 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -158,6 +158,7 @@
#define NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED 0x8001
#define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED 0x9000
#define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001
+#define NOVATELWIRELESS_PRODUCT_E362 0x9010
#define NOVATELWIRELESS_PRODUCT_G1 0xA001
#define NOVATELWIRELESS_PRODUCT_G1_M 0xA002
#define NOVATELWIRELESS_PRODUCT_G2 0xA010
@@ -193,6 +194,9 @@
#define DELL_PRODUCT_5730_MINICARD_TELUS 0x8181
#define DELL_PRODUCT_5730_MINICARD_VZW 0x8182
+#define DELL_PRODUCT_5800_MINICARD_VZW 0x8195 /* Novatel E362 */
+#define DELL_PRODUCT_5800_V2_MINICARD_VZW 0x8196 /* Novatel E362 */
+
#define KYOCERA_VENDOR_ID 0x0c88
#define KYOCERA_PRODUCT_KPC650 0x17da
#define KYOCERA_PRODUCT_KPC680 0x180a
@@ -283,6 +287,7 @@
/* ALCATEL PRODUCTS */
#define ALCATEL_VENDOR_ID 0x1bbb
#define ALCATEL_PRODUCT_X060S_X200 0x0000
+#define ALCATEL_PRODUCT_X220_X500D 0x0017
#define PIRELLI_VENDOR_ID 0x1266
#define PIRELLI_PRODUCT_C100_1 0x1002
@@ -706,6 +711,7 @@
{ USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_G2) },
/* Novatel Ovation MC551 a.k.a. Verizon USB551L */
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
@@ -728,6 +734,8 @@
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
{ USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */
+ { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_MINICARD_VZW, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_V2_MINICARD_VZW, 0xff, 0xff, 0xff) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) },
{ USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) },
@@ -1157,6 +1165,7 @@
{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200),
.driver_info = (kernel_ulong_t)&alcatel_x200_blacklist
},
+ { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D) },
{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 61a73ad..a3e9c09 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -455,9 +455,6 @@
struct usb_serial *serial = port->serial;
struct urb *urb;
- if (endpoint == -1)
- return NULL; /* endpoint not needed */
-
urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */
if (urb == NULL) {
dev_dbg(&serial->interface->dev,
@@ -489,6 +486,9 @@
init_usb_anchor(&portdata->delayed);
for (i = 0; i < N_IN_URB; i++) {
+ if (!port->bulk_in_size)
+ break;
+
buffer = (u8 *)__get_free_page(GFP_KERNEL);
if (!buffer)
goto bail_out_error;
@@ -502,8 +502,8 @@
}
for (i = 0; i < N_OUT_URB; i++) {
- if (port->bulk_out_endpointAddress == -1)
- continue;
+ if (!port->bulk_out_size)
+ break;
buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL);
if (!buffer)
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index a3d5436..92f35ab 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -186,6 +186,12 @@
/* Some devices don't handle VPD pages correctly */
sdev->skip_vpd_pages = 1;
+ /* Do not attempt to use REPORT SUPPORTED OPERATION CODES */
+ sdev->no_report_opcodes = 1;
+
+ /* Do not attempt to use WRITE SAME */
+ sdev->no_write_same = 1;
+
/* Some disks return the total number of blocks in response
* to READ CAPACITY rather than the highest block number.
* If this device makes that mistake, tell the sd driver. */
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index d64ac38..bee9284 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -365,11 +365,20 @@
struct omap_dss_output *out;
enum omap_dss_output_id id;
- id = module == 0 ? OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2;
+ switch (module) {
+ case 0:
+ id = OMAP_DSS_OUTPUT_DSI1;
+ break;
+ case 1:
+ id = OMAP_DSS_OUTPUT_DSI2;
+ break;
+ default:
+ return NULL;
+ }
out = omap_dss_get_output(id);
- return out->pdev;
+ return out ? out->pdev : NULL;
}
static inline void dsi_write_reg(struct platform_device *dsidev,
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 2ab1c3e..5f6eea8 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -697,11 +697,15 @@
dss.dss_clk = clk;
- clk = clk_get(NULL, dss.feat->clk_name);
- if (IS_ERR(clk)) {
- DSSERR("Failed to get %s\n", dss.feat->clk_name);
- r = PTR_ERR(clk);
- goto err;
+ if (dss.feat->clk_name) {
+ clk = clk_get(NULL, dss.feat->clk_name);
+ if (IS_ERR(clk)) {
+ DSSERR("Failed to get %s\n", dss.feat->clk_name);
+ r = PTR_ERR(clk);
+ goto err;
+ }
+ } else {
+ clk = NULL;
}
dss.dpll4_m4_ck = clk;
@@ -805,10 +809,10 @@
if (cpu_is_omap24xx())
src = &omap24xx_dss_feats;
- else if (cpu_is_omap34xx())
- src = &omap34xx_dss_feats;
else if (cpu_is_omap3630())
src = &omap3630_dss_feats;
+ else if (cpu_is_omap34xx())
+ src = &omap34xx_dss_feats;
else if (cpu_is_omap44xx())
src = &omap44xx_dss_feats;
else if (soc_is_omap54xx())
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index a48a7dd..8c9b8b3 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -644,8 +644,10 @@
{
mutex_lock(&hdmi.lock);
- if (hdmi_runtime_get())
+ if (hdmi_runtime_get()) {
+ mutex_unlock(&hdmi.lock);
return;
+ }
hdmi.ip_data.ops->dump_wrapper(&hdmi.ip_data, s);
hdmi.ip_data.ops->dump_pll(&hdmi.ip_data, s);
diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c
index 606b89f..d630b26 100644
--- a/drivers/video/omap2/omapfb/omapfb-ioctl.c
+++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c
@@ -787,7 +787,7 @@
case OMAPFB_WAITFORVSYNC:
DBG("ioctl WAITFORVSYNC\n");
- if (!display && !display->output && !display->output->manager) {
+ if (!display || !display->output || !display->output->manager) {
r = -EINVAL;
break;
}
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 8adb9cc..71f5c45 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -361,13 +361,13 @@
down_write(&mm->mmap_sem);
vma = find_vma(mm, m.addr);
- ret = -EINVAL;
if (!vma ||
vma->vm_ops != &privcmd_vm_ops ||
(m.addr != vma->vm_start) ||
((m.addr + (nr_pages << PAGE_SHIFT)) != vma->vm_end) ||
!privcmd_enforce_singleshot_mapping(vma)) {
up_write(&mm->mmap_sem);
+ ret = -EINVAL;
goto out;
}
@@ -383,12 +383,16 @@
up_write(&mm->mmap_sem);
- if (state.global_error && (version == 1)) {
- /* Write back errors in second pass. */
- state.user_mfn = (xen_pfn_t *)m.arr;
- state.err = err_array;
- ret = traverse_pages(m.num, sizeof(xen_pfn_t),
- &pagelist, mmap_return_errors_v1, &state);
+ if (version == 1) {
+ if (state.global_error) {
+ /* Write back errors in second pass. */
+ state.user_mfn = (xen_pfn_t *)m.arr;
+ state.err = err_array;
+ ret = traverse_pages(m.num, sizeof(xen_pfn_t),
+ &pagelist, mmap_return_errors_v1, &state);
+ } else
+ ret = 0;
+
} else if (version == 2) {
ret = __copy_to_user(m.err, err_array, m.num * sizeof(int));
if (ret)
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 7320a66..22548f5 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -2101,8 +2101,9 @@
end = start + (range->len >> sb->s_blocksize_bits) - 1;
minlen = range->minlen >> sb->s_blocksize_bits;
- if (unlikely(minlen > EXT3_BLOCKS_PER_GROUP(sb)) ||
- unlikely(start >= max_blks))
+ if (minlen > EXT3_BLOCKS_PER_GROUP(sb) ||
+ start >= max_blks ||
+ range->len < sb->s_blocksize)
return -EINVAL;
if (end >= max_blks)
end = max_blks - 1;
diff --git a/fs/file.c b/fs/file.c
index 708d997..7272a1c 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -519,12 +519,6 @@
.file_lock = __SPIN_LOCK_UNLOCKED(init_task.file_lock),
};
-void daemonize_descriptors(void)
-{
- atomic_inc(&init_files.count);
- reset_files_struct(&init_files);
-}
-
/*
* allocate a file descriptor, mark it busy.
*/
@@ -685,7 +679,6 @@
struct fdtable *fdt;
/* exec unshares first */
- BUG_ON(atomic_read(&files->count) != 1);
spin_lock(&files->file_lock);
for (i = 0; ; i++) {
unsigned long set;
diff --git a/fs/fs_struct.c b/fs/fs_struct.c
index 5df4775..fe6ca58 100644
--- a/fs/fs_struct.c
+++ b/fs/fs_struct.c
@@ -164,27 +164,3 @@
.seq = SEQCNT_ZERO,
.umask = 0022,
};
-
-void daemonize_fs_struct(void)
-{
- struct fs_struct *fs = current->fs;
-
- if (fs) {
- int kill;
-
- task_lock(current);
-
- spin_lock(&init_fs.lock);
- init_fs.users++;
- spin_unlock(&init_fs.lock);
-
- spin_lock(&fs->lock);
- current->fs = &init_fs;
- kill = !--fs->users;
- spin_unlock(&fs->lock);
-
- task_unlock(current);
- if (kill)
- free_fs_struct(fs);
- }
-}
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 60ef3fb..1506673 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -138,33 +138,39 @@
struct page *pg;
struct inode *inode = mapping->host;
struct jffs2_inode_info *f = JFFS2_INODE_INFO(inode);
+ struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
+ struct jffs2_raw_inode ri;
+ uint32_t alloc_len = 0;
pgoff_t index = pos >> PAGE_CACHE_SHIFT;
uint32_t pageofs = index << PAGE_CACHE_SHIFT;
int ret = 0;
- pg = grab_cache_page_write_begin(mapping, index, flags);
- if (!pg)
- return -ENOMEM;
- *pagep = pg;
-
jffs2_dbg(1, "%s()\n", __func__);
if (pageofs > inode->i_size) {
+ ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
+ ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
+ if (ret)
+ return ret;
+ }
+
+ mutex_lock(&f->sem);
+ pg = grab_cache_page_write_begin(mapping, index, flags);
+ if (!pg) {
+ if (alloc_len)
+ jffs2_complete_reservation(c);
+ mutex_unlock(&f->sem);
+ return -ENOMEM;
+ }
+ *pagep = pg;
+
+ if (alloc_len) {
/* Make new hole frag from old EOF to new page */
- struct jffs2_sb_info *c = JFFS2_SB_INFO(inode->i_sb);
- struct jffs2_raw_inode ri;
struct jffs2_full_dnode *fn;
- uint32_t alloc_len;
jffs2_dbg(1, "Writing new hole frag 0x%x-0x%x between current EOF and new page\n",
(unsigned int)inode->i_size, pageofs);
- ret = jffs2_reserve_space(c, sizeof(ri), &alloc_len,
- ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
- if (ret)
- goto out_page;
-
- mutex_lock(&f->sem);
memset(&ri, 0, sizeof(ri));
ri.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -191,7 +197,6 @@
if (IS_ERR(fn)) {
ret = PTR_ERR(fn);
jffs2_complete_reservation(c);
- mutex_unlock(&f->sem);
goto out_page;
}
ret = jffs2_add_full_dnode_to_inode(c, f, fn);
@@ -206,12 +211,10 @@
jffs2_mark_node_obsolete(c, fn->raw);
jffs2_free_full_dnode(fn);
jffs2_complete_reservation(c);
- mutex_unlock(&f->sem);
goto out_page;
}
jffs2_complete_reservation(c);
inode->i_size = pageofs;
- mutex_unlock(&f->sem);
}
/*
@@ -220,18 +223,18 @@
* case of a short-copy.
*/
if (!PageUptodate(pg)) {
- mutex_lock(&f->sem);
ret = jffs2_do_readpage_nolock(inode, pg);
- mutex_unlock(&f->sem);
if (ret)
goto out_page;
}
+ mutex_unlock(&f->sem);
jffs2_dbg(1, "end write_begin(). pg->flags %lx\n", pg->flags);
return ret;
out_page:
unlock_page(pg);
page_cache_release(pg);
+ mutex_unlock(&f->sem);
return ret;
}
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 721d692..6fcaeb8 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -258,7 +258,8 @@
if (ret)
goto out_close_fd;
- fd_install(fd, f);
+ if (fd != FAN_NOFD)
+ fd_install(fd, f);
return fanotify_event_metadata.event_len;
out_close_fd:
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 144a967..3c231ad 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -873,6 +873,113 @@
.release = mem_release,
};
+static ssize_t oom_adj_read(struct file *file, char __user *buf, size_t count,
+ loff_t *ppos)
+{
+ struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+ char buffer[PROC_NUMBUF];
+ int oom_adj = OOM_ADJUST_MIN;
+ size_t len;
+ unsigned long flags;
+
+ if (!task)
+ return -ESRCH;
+ if (lock_task_sighand(task, &flags)) {
+ if (task->signal->oom_score_adj == OOM_SCORE_ADJ_MAX)
+ oom_adj = OOM_ADJUST_MAX;
+ else
+ oom_adj = (task->signal->oom_score_adj * -OOM_DISABLE) /
+ OOM_SCORE_ADJ_MAX;
+ unlock_task_sighand(task, &flags);
+ }
+ put_task_struct(task);
+ len = snprintf(buffer, sizeof(buffer), "%d\n", oom_adj);
+ return simple_read_from_buffer(buf, count, ppos, buffer, len);
+}
+
+static ssize_t oom_adj_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct task_struct *task;
+ char buffer[PROC_NUMBUF];
+ int oom_adj;
+ unsigned long flags;
+ int err;
+
+ memset(buffer, 0, sizeof(buffer));
+ if (count > sizeof(buffer) - 1)
+ count = sizeof(buffer) - 1;
+ if (copy_from_user(buffer, buf, count)) {
+ err = -EFAULT;
+ goto out;
+ }
+
+ err = kstrtoint(strstrip(buffer), 0, &oom_adj);
+ if (err)
+ goto out;
+ if ((oom_adj < OOM_ADJUST_MIN || oom_adj > OOM_ADJUST_MAX) &&
+ oom_adj != OOM_DISABLE) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ task = get_proc_task(file->f_path.dentry->d_inode);
+ if (!task) {
+ err = -ESRCH;
+ goto out;
+ }
+
+ task_lock(task);
+ if (!task->mm) {
+ err = -EINVAL;
+ goto err_task_lock;
+ }
+
+ if (!lock_task_sighand(task, &flags)) {
+ err = -ESRCH;
+ goto err_task_lock;
+ }
+
+ /*
+ * Scale /proc/pid/oom_score_adj appropriately ensuring that a maximum
+ * value is always attainable.
+ */
+ if (oom_adj == OOM_ADJUST_MAX)
+ oom_adj = OOM_SCORE_ADJ_MAX;
+ else
+ oom_adj = (oom_adj * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE;
+
+ if (oom_adj < task->signal->oom_score_adj &&
+ !capable(CAP_SYS_RESOURCE)) {
+ err = -EACCES;
+ goto err_sighand;
+ }
+
+ /*
+ * /proc/pid/oom_adj is provided for legacy purposes, ask users to use
+ * /proc/pid/oom_score_adj instead.
+ */
+ printk_once(KERN_WARNING "%s (%d): /proc/%d/oom_adj is deprecated, please use /proc/%d/oom_score_adj instead.\n",
+ current->comm, task_pid_nr(current), task_pid_nr(task),
+ task_pid_nr(task));
+
+ task->signal->oom_score_adj = oom_adj;
+ trace_oom_score_adj_update(task);
+err_sighand:
+ unlock_task_sighand(task, &flags);
+err_task_lock:
+ task_unlock(task);
+ put_task_struct(task);
+out:
+ return err < 0 ? err : count;
+}
+
+static const struct file_operations proc_oom_adj_operations = {
+ .read = oom_adj_read,
+ .write = oom_adj_write,
+ .llseek = generic_file_llseek,
+};
+
static ssize_t oom_score_adj_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
@@ -2598,6 +2705,7 @@
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
+ REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
@@ -2964,6 +3072,7 @@
REG("cgroup", S_IRUGO, proc_cgroup_operations),
#endif
INF("oom_score", S_IRUGO, proc_oom_score),
+ REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations),
REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations),
#ifdef CONFIG_AUDITSYSCALL
REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations),
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index a40da07..947fbe0 100644
--- a/fs/pstore/platform.c
+++ b/fs/pstore/platform.c
@@ -161,6 +161,7 @@
while (s < e) {
unsigned long flags;
+ u64 id;
if (c > psinfo->bufsize)
c = psinfo->bufsize;
@@ -172,7 +173,7 @@
spin_lock_irqsave(&psinfo->buf_lock, flags);
}
memcpy(psinfo->buf, s, c);
- psinfo->write(PSTORE_TYPE_CONSOLE, 0, NULL, 0, c, psinfo);
+ psinfo->write(PSTORE_TYPE_CONSOLE, 0, &id, 0, c, psinfo);
spin_unlock_irqrestore(&psinfo->buf_lock, flags);
s += c;
c = e - s;
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index f27f01a..d83736f 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1782,8 +1782,9 @@
BUG_ON(!th->t_trans_id);
- dquot_initialize(inode);
+ reiserfs_write_unlock(inode->i_sb);
err = dquot_alloc_inode(inode);
+ reiserfs_write_lock(inode->i_sb);
if (err)
goto out_end_trans;
if (!dir->i_nlink) {
@@ -1979,8 +1980,10 @@
out_end_trans:
journal_end(th, th->t_super, th->t_blocks_allocated);
+ reiserfs_write_unlock(inode->i_sb);
/* Drop can be outside and it needs more credits so it's better to have it outside */
dquot_drop(inode);
+ reiserfs_write_lock(inode->i_sb);
inode->i_flags |= S_NOQUOTA;
make_bad_inode(inode);
@@ -3103,10 +3106,9 @@
/* must be turned off for recursive notify_change calls */
ia_valid = attr->ia_valid &= ~(ATTR_KILL_SUID|ATTR_KILL_SGID);
- depth = reiserfs_write_lock_once(inode->i_sb);
if (is_quota_modification(inode, attr))
dquot_initialize(inode);
-
+ depth = reiserfs_write_lock_once(inode->i_sb);
if (attr->ia_valid & ATTR_SIZE) {
/* version 2 items will be caught by the s_maxbytes check
** done for us in vmtruncate
@@ -3170,7 +3172,9 @@
error = journal_begin(&th, inode->i_sb, jbegin_count);
if (error)
goto out;
+ reiserfs_write_unlock_once(inode->i_sb, depth);
error = dquot_transfer(inode, attr);
+ depth = reiserfs_write_lock_once(inode->i_sb);
if (error) {
journal_end(&th, inode->i_sb, jbegin_count);
goto out;
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index f8afa4b..2f40a4c 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -1968,7 +1968,9 @@
key2type(&(key->on_disk_key)));
#endif
+ reiserfs_write_unlock(inode->i_sb);
retval = dquot_alloc_space_nodirty(inode, pasted_size);
+ reiserfs_write_lock(inode->i_sb);
if (retval) {
pathrelse(search_path);
return retval;
@@ -2061,9 +2063,11 @@
"reiserquota insert_item(): allocating %u id=%u type=%c",
quota_bytes, inode->i_uid, head2type(ih));
#endif
+ reiserfs_write_unlock(inode->i_sb);
/* We can't dirty inode here. It would be immediately written but
* appropriate stat item isn't inserted yet... */
retval = dquot_alloc_space_nodirty(inode, quota_bytes);
+ reiserfs_write_lock(inode->i_sb);
if (retval) {
pathrelse(path);
return retval;
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 1078ae1..418bdc3 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -298,7 +298,9 @@
retval = remove_save_link_only(s, &save_link_key, 0);
continue;
}
+ reiserfs_write_unlock(s);
dquot_initialize(inode);
+ reiserfs_write_lock(s);
if (truncate && S_ISDIR(inode->i_mode)) {
/* We got a truncate request for a dir which is impossible.
@@ -1335,7 +1337,7 @@
kfree(qf_names[i]);
#endif
err = -EINVAL;
- goto out_err;
+ goto out_unlock;
}
#ifdef CONFIG_QUOTA
handle_quota_files(s, qf_names, &qfmt);
@@ -1379,7 +1381,7 @@
if (blocks) {
err = reiserfs_resize(s, blocks);
if (err != 0)
- goto out_err;
+ goto out_unlock;
}
if (*mount_flags & MS_RDONLY) {
@@ -1389,9 +1391,15 @@
/* it is read-only already */
goto out_ok;
+ /*
+ * Drop write lock. Quota will retake it when needed and lock
+ * ordering requires calling dquot_suspend() without it.
+ */
+ reiserfs_write_unlock(s);
err = dquot_suspend(s, -1);
if (err < 0)
goto out_err;
+ reiserfs_write_lock(s);
/* try to remount file system with read-only permissions */
if (sb_umount_state(rs) == REISERFS_VALID_FS
@@ -1401,7 +1409,7 @@
err = journal_begin(&th, s, 10);
if (err)
- goto out_err;
+ goto out_unlock;
/* Mounting a rw partition read-only. */
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
@@ -1416,7 +1424,7 @@
if (reiserfs_is_journal_aborted(journal)) {
err = journal->j_errno;
- goto out_err;
+ goto out_unlock;
}
handle_data_mode(s, mount_options);
@@ -1425,7 +1433,7 @@
s->s_flags &= ~MS_RDONLY; /* now it is safe to call journal_begin */
err = journal_begin(&th, s, 10);
if (err)
- goto out_err;
+ goto out_unlock;
/* Mount a partition which is read-only, read-write */
reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
@@ -1442,10 +1450,16 @@
SB_JOURNAL(s)->j_must_wait = 1;
err = journal_end(&th, s, 10);
if (err)
- goto out_err;
+ goto out_unlock;
if (!(*mount_flags & MS_RDONLY)) {
+ /*
+ * Drop write lock. Quota will retake it when needed and lock
+ * ordering requires calling dquot_resume() without it.
+ */
+ reiserfs_write_unlock(s);
dquot_resume(s, -1);
+ reiserfs_write_lock(s);
finish_unfinished(s);
reiserfs_xattr_init(s, *mount_flags);
}
@@ -1455,9 +1469,10 @@
reiserfs_write_unlock(s);
return 0;
+out_unlock:
+ reiserfs_write_unlock(s);
out_err:
kfree(new_opts);
- reiserfs_write_unlock(s);
return err;
}
@@ -2095,13 +2110,15 @@
REISERFS_QUOTA_TRANS_BLOCKS(dquot->dq_sb));
if (ret)
goto out;
+ reiserfs_write_unlock(dquot->dq_sb);
ret = dquot_commit(dquot);
+ reiserfs_write_lock(dquot->dq_sb);
err =
journal_end(&th, dquot->dq_sb,
REISERFS_QUOTA_TRANS_BLOCKS(dquot->dq_sb));
if (!ret && err)
ret = err;
- out:
+out:
reiserfs_write_unlock(dquot->dq_sb);
return ret;
}
@@ -2117,13 +2134,15 @@
REISERFS_QUOTA_INIT_BLOCKS(dquot->dq_sb));
if (ret)
goto out;
+ reiserfs_write_unlock(dquot->dq_sb);
ret = dquot_acquire(dquot);
+ reiserfs_write_lock(dquot->dq_sb);
err =
journal_end(&th, dquot->dq_sb,
REISERFS_QUOTA_INIT_BLOCKS(dquot->dq_sb));
if (!ret && err)
ret = err;
- out:
+out:
reiserfs_write_unlock(dquot->dq_sb);
return ret;
}
@@ -2137,19 +2156,21 @@
ret =
journal_begin(&th, dquot->dq_sb,
REISERFS_QUOTA_DEL_BLOCKS(dquot->dq_sb));
+ reiserfs_write_unlock(dquot->dq_sb);
if (ret) {
/* Release dquot anyway to avoid endless cycle in dqput() */
dquot_release(dquot);
goto out;
}
ret = dquot_release(dquot);
+ reiserfs_write_lock(dquot->dq_sb);
err =
journal_end(&th, dquot->dq_sb,
REISERFS_QUOTA_DEL_BLOCKS(dquot->dq_sb));
if (!ret && err)
ret = err;
- out:
reiserfs_write_unlock(dquot->dq_sb);
+out:
return ret;
}
@@ -2174,11 +2195,13 @@
ret = journal_begin(&th, sb, 2);
if (ret)
goto out;
+ reiserfs_write_unlock(sb);
ret = dquot_commit_info(sb, type);
+ reiserfs_write_lock(sb);
err = journal_end(&th, sb, 2);
if (!ret && err)
ret = err;
- out:
+out:
reiserfs_write_unlock(sb);
return ret;
}
@@ -2203,8 +2226,11 @@
struct reiserfs_transaction_handle th;
int opt = type == USRQUOTA ? REISERFS_USRQUOTA : REISERFS_GRPQUOTA;
- if (!(REISERFS_SB(sb)->s_mount_opt & (1 << opt)))
- return -EINVAL;
+ reiserfs_write_lock(sb);
+ if (!(REISERFS_SB(sb)->s_mount_opt & (1 << opt))) {
+ err = -EINVAL;
+ goto out;
+ }
/* Quotafile not on the same filesystem? */
if (path->dentry->d_sb != sb) {
@@ -2246,8 +2272,10 @@
if (err)
goto out;
}
- err = dquot_quota_on(sb, type, format_id, path);
+ reiserfs_write_unlock(sb);
+ return dquot_quota_on(sb, type, format_id, path);
out:
+ reiserfs_write_unlock(sb);
return err;
}
@@ -2320,7 +2348,9 @@
tocopy = sb->s_blocksize - offset < towrite ?
sb->s_blocksize - offset : towrite;
tmp_bh.b_state = 0;
+ reiserfs_write_lock(sb);
err = reiserfs_get_block(inode, blk, &tmp_bh, GET_BLOCK_CREATE);
+ reiserfs_write_unlock(sb);
if (err)
goto out;
if (offset || tocopy != sb->s_blocksize)
@@ -2336,10 +2366,12 @@
flush_dcache_page(bh->b_page);
set_buffer_uptodate(bh);
unlock_buffer(bh);
+ reiserfs_write_lock(sb);
reiserfs_prepare_for_journal(sb, bh, 1);
journal_mark_dirty(current->journal_info, sb, bh);
if (!journal_quota)
reiserfs_add_ordered_list(inode, bh);
+ reiserfs_write_unlock(sb);
brelse(bh);
offset = 0;
towrite -= tocopy;
diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c
index 28ec13a..2dcf3d4 100644
--- a/fs/ubifs/find.c
+++ b/fs/ubifs/find.c
@@ -681,8 +681,16 @@
if (!lprops) {
lprops = ubifs_fast_find_freeable(c);
if (!lprops) {
- ubifs_assert(c->freeable_cnt == 0);
- if (c->lst.empty_lebs - c->lst.taken_empty_lebs > 0) {
+ /*
+ * The first condition means the following: go scan the
+ * LPT if there are uncategorized lprops, which means
+ * there may be freeable LEBs there (UBIFS does not
+ * store the information about freeable LEBs in the
+ * master node).
+ */
+ if (c->in_a_category_cnt != c->main_lebs ||
+ c->lst.empty_lebs - c->lst.taken_empty_lebs > 0) {
+ ubifs_assert(c->freeable_cnt == 0);
lprops = scan_for_leb_for_idx(c);
if (IS_ERR(lprops)) {
err = PTR_ERR(lprops);
diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c
index e5a2a35..46190a7 100644
--- a/fs/ubifs/lprops.c
+++ b/fs/ubifs/lprops.c
@@ -300,8 +300,11 @@
default:
ubifs_assert(0);
}
+
lprops->flags &= ~LPROPS_CAT_MASK;
lprops->flags |= cat;
+ c->in_a_category_cnt += 1;
+ ubifs_assert(c->in_a_category_cnt <= c->main_lebs);
}
/**
@@ -334,6 +337,9 @@
default:
ubifs_assert(0);
}
+
+ c->in_a_category_cnt -= 1;
+ ubifs_assert(c->in_a_category_cnt >= 0);
}
/**
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 5486346..d133c27 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1183,6 +1183,8 @@
* @freeable_list: list of freeable non-index LEBs (free + dirty == @leb_size)
* @frdi_idx_list: list of freeable index LEBs (free + dirty == @leb_size)
* @freeable_cnt: number of freeable LEBs in @freeable_list
+ * @in_a_category_cnt: count of lprops which are in a certain category, which
+ * basically meants that they were loaded from the flash
*
* @ltab_lnum: LEB number of LPT's own lprops table
* @ltab_offs: offset of LPT's own lprops table
@@ -1412,6 +1414,7 @@
struct list_head freeable_list;
struct list_head frdi_idx_list;
int freeable_cnt;
+ int in_a_category_cnt;
int ltab_lnum;
int ltab_offs;
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index e562dd4..e57e2da 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -481,11 +481,17 @@
*
* The fix is two passes across the ioend list - one to start writeback on the
* buffer_heads, and then submit them for I/O on the second pass.
+ *
+ * If @fail is non-zero, it means that we have a situation where some part of
+ * the submission process has failed after we have marked paged for writeback
+ * and unlocked them. In this situation, we need to fail the ioend chain rather
+ * than submit it to IO. This typically only happens on a filesystem shutdown.
*/
STATIC void
xfs_submit_ioend(
struct writeback_control *wbc,
- xfs_ioend_t *ioend)
+ xfs_ioend_t *ioend,
+ int fail)
{
xfs_ioend_t *head = ioend;
xfs_ioend_t *next;
@@ -506,6 +512,18 @@
next = ioend->io_list;
bio = NULL;
+ /*
+ * If we are failing the IO now, just mark the ioend with an
+ * error and finish it. This will run IO completion immediately
+ * as there is only one reference to the ioend at this point in
+ * time.
+ */
+ if (fail) {
+ ioend->io_error = -fail;
+ xfs_finish_ioend(ioend);
+ continue;
+ }
+
for (bh = ioend->io_buffer_head; bh; bh = bh->b_private) {
if (!bio) {
@@ -1060,7 +1078,18 @@
xfs_start_page_writeback(page, 1, count);
- if (ioend && imap_valid) {
+ /* if there is no IO to be submitted for this page, we are done */
+ if (!ioend)
+ return 0;
+
+ ASSERT(iohead);
+
+ /*
+ * Any errors from this point onwards need tobe reported through the IO
+ * completion path as we have marked the initial page as under writeback
+ * and unlocked it.
+ */
+ if (imap_valid) {
xfs_off_t end_index;
end_index = imap.br_startoff + imap.br_blockcount;
@@ -1079,20 +1108,15 @@
wbc, end_index);
}
- if (iohead) {
- /*
- * Reserve log space if we might write beyond the on-disk
- * inode size.
- */
- if (ioend->io_type != XFS_IO_UNWRITTEN &&
- xfs_ioend_is_append(ioend)) {
- err = xfs_setfilesize_trans_alloc(ioend);
- if (err)
- goto error;
- }
- xfs_submit_ioend(wbc, iohead);
- }
+ /*
+ * Reserve log space if we might write beyond the on-disk inode size.
+ */
+ err = 0;
+ if (ioend->io_type != XFS_IO_UNWRITTEN && xfs_ioend_is_append(ioend))
+ err = xfs_setfilesize_trans_alloc(ioend);
+
+ xfs_submit_ioend(wbc, iohead, err);
return 0;
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index d330111..70eec18 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -1291,6 +1291,7 @@
leaf2 = blk2->bp->b_addr;
ASSERT(leaf1->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
ASSERT(leaf2->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC));
+ ASSERT(leaf2->hdr.count == 0);
args = state->args;
trace_xfs_attr_leaf_rebalance(args);
@@ -1361,6 +1362,7 @@
* I assert that since all callers pass in an empty
* second buffer, this code should never execute.
*/
+ ASSERT(0);
/*
* Figure the total bytes to be added to the destination leaf.
@@ -1422,10 +1424,24 @@
args->index2 = 0;
args->blkno2 = blk2->blkno;
} else {
+ /*
+ * On a double leaf split, the original attr location
+ * is already stored in blkno2/index2, so don't
+ * overwrite it overwise we corrupt the tree.
+ */
blk2->index = blk1->index
- be16_to_cpu(leaf1->hdr.count);
- args->index = args->index2 = blk2->index;
- args->blkno = args->blkno2 = blk2->blkno;
+ args->index = blk2->index;
+ args->blkno = blk2->blkno;
+ if (!state->extravalid) {
+ /*
+ * set the new attr location to match the old
+ * one and let the higher level split code
+ * decide where in the leaf to place it.
+ */
+ args->index2 = blk2->index;
+ args->blkno2 = blk2->blkno;
+ }
}
} else {
ASSERT(state->inleaf == 1);
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 933b793..4b0b8dd 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -1197,9 +1197,14 @@
{
xfs_buf_t *bp = (xfs_buf_t *)bio->bi_private;
- xfs_buf_ioerror(bp, -error);
+ /*
+ * don't overwrite existing errors - otherwise we can lose errors on
+ * buffers that require multiple bios to complete.
+ */
+ if (!bp->b_error)
+ xfs_buf_ioerror(bp, -error);
- if (!error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ))
+ if (!bp->b_error && xfs_buf_is_vmapped(bp) && (bp->b_flags & XBF_READ))
invalidate_kernel_vmap_range(bp->b_addr, xfs_buf_vmap_len(bp));
_xfs_buf_ioend(bp, 1);
@@ -1279,6 +1284,11 @@
if (size)
goto next_chunk;
} else {
+ /*
+ * This is guaranteed not to be the last io reference count
+ * because the caller (xfs_buf_iorequest) holds a count itself.
+ */
+ atomic_dec(&bp->b_io_remaining);
xfs_buf_ioerror(bp, EIO);
bio_put(bio);
}
diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h
index d89dec8..7e4fdb6 100644
--- a/include/asm-generic/syscalls.h
+++ b/include/asm-generic/syscalls.h
@@ -10,16 +10,15 @@
*/
#ifndef sys_clone
asmlinkage long sys_clone(unsigned long clone_flags, unsigned long newsp,
- void __user *parent_tid, void __user *child_tid,
- struct pt_regs *regs);
+ void __user *parent_tid, void __user *child_tid);
#endif
#ifndef sys_fork
-asmlinkage long sys_fork(struct pt_regs *regs);
+asmlinkage long sys_fork(void);
#endif
#ifndef sys_vfork
-asmlinkage long sys_vfork(struct pt_regs *regs);
+asmlinkage long sys_vfork(void);
#endif
#ifndef sys_execve
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index af1cbaf..c5c35e6 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -210,6 +210,7 @@
{0x1002, 0x6798, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6799, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x679A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
+ {0x1002, 0x679B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x679E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x679F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI|RADEON_NEW_MEMMAP}, \
{0x1002, 0x6800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_PITCAIRN|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index c127315..f9f5e9e 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -335,8 +335,8 @@
struct clk_hw *__clk_get_hw(struct clk *clk);
u8 __clk_get_num_parents(struct clk *clk);
struct clk *__clk_get_parent(struct clk *clk);
-inline int __clk_get_enable_count(struct clk *clk);
-inline int __clk_get_prepare_count(struct clk *clk);
+int __clk_get_enable_count(struct clk *clk);
+int __clk_get_prepare_count(struct clk *clk);
unsigned long __clk_get_rate(struct clk *clk);
unsigned long __clk_get_flags(struct clk *clk);
int __clk_is_enabled(struct clk *clk);
diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index 45052aa..fb7daca 100644
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -95,7 +95,6 @@
struct files_struct *get_files_struct(struct task_struct *);
void put_files_struct(struct files_struct *fs);
void reset_files_struct(struct files_struct *);
-void daemonize_descriptors(void);
int unshare_files(struct files_struct **);
struct files_struct *dup_fd(struct files_struct *, int *);
void do_close_on_exec(struct files_struct *);
diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index 003dc0f..d0ae3a8 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -21,7 +21,6 @@
extern void set_fs_pwd(struct fs_struct *, struct path *);
extern struct fs_struct *copy_fs_struct(struct fs_struct *);
extern void free_fs_struct(struct fs_struct *);
-extern void daemonize_fs_struct(void);
extern int unshare_fs_struct(void);
static inline void get_fs_root(struct fs_struct *fs, struct path *root)
diff --git a/include/linux/i2c-omap.h b/include/linux/i2c-omap.h
index df804ba..92a0dc7 100644
--- a/include/linux/i2c-omap.h
+++ b/include/linux/i2c-omap.h
@@ -34,6 +34,7 @@
u32 clkrate;
u32 rev;
u32 flags;
+ void (*set_mpu_wkup_lat)(struct device *dev, long set);
};
#endif
diff --git a/include/linux/mm.h b/include/linux/mm.h
index fa06804..bcaab4e 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1684,9 +1684,5 @@
static inline bool page_is_guard(struct page *page) { return false; }
#endif /* CONFIG_DEBUG_PAGEALLOC */
-extern void reset_zone_present_pages(void);
-extern void fixup_zone_present_pages(int nid, unsigned long start_pfn,
- unsigned long end_pfn);
-
#endif /* __KERNEL__ */
#endif /* _LINUX_MM_H */
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 50aaca8..a23923b 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -752,7 +752,7 @@
unsigned long size,
enum memmap_context context);
-extern void lruvec_init(struct lruvec *lruvec, struct zone *zone);
+extern void lruvec_init(struct lruvec *lruvec);
static inline struct zone *lruvec_zone(struct lruvec *lruvec)
{
diff --git a/include/linux/of_address.h b/include/linux/of_address.h
index e20e3af..0506eb5 100644
--- a/include/linux/of_address.h
+++ b/include/linux/of_address.h
@@ -42,10 +42,12 @@
{
return NULL;
}
+#ifndef of_iomap
static inline void __iomem *of_iomap(struct device_node *device, int index)
{
return NULL;
}
+#endif
static inline const __be32 *of_get_address(struct device_node *dev, int index,
u64 *size, unsigned int *flags)
{
diff --git a/include/linux/platform_data/omap_ocp2scp.h b/include/linux/platform_data/omap_ocp2scp.h
new file mode 100644
index 0000000..5c6c393
--- /dev/null
+++ b/include/linux/platform_data/omap_ocp2scp.h
@@ -0,0 +1,31 @@
+/*
+ * omap_ocp2scp.h -- ocp2scp header file
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Author: Kishon Vijay Abraham I <kishon@ti.com>
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __DRIVERS_OMAP_OCP2SCP_H
+#define __DRIVERS_OMAP_OCP2SCP_H
+
+struct omap_ocp2scp_dev {
+ const char *drv_name;
+ struct resource *res;
+};
+
+struct omap_ocp2scp_platform_data {
+ int dev_cnt;
+ struct omap_ocp2scp_dev **devices;
+};
+#endif /* __DRIVERS_OMAP_OCP2SCP_H */
diff --git a/include/linux/rio.h b/include/linux/rio.h
index 4187da5..a3e7842 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -275,9 +275,11 @@
* struct rio_net - RIO network info
* @node: Node in global list of RIO networks
* @devices: List of devices in this network
+ * @switches: List of switches in this netowrk
* @mports: List of master ports accessing this network
* @hport: Default port for accessing this network
* @id: RIO network ID
+ * @destid_table: destID allocation table
*/
struct rio_net {
struct list_head node; /* node in list of networks */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0dd42a0..a016648 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2283,7 +2283,6 @@
extern void do_group_exit(int);
-extern void daemonize(const char *, ...);
extern int allow_signal(int);
extern int disallow_signal(int);
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index c64de9d..2f694f3 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -46,8 +46,9 @@
u16 debounce_rep; /* additional consecutive good readings
* required after the first two */
int gpio_pendown; /* the GPIO used to decide the pendown
- * state if get_pendown_state == NULL
- */
+ * state if get_pendown_state == NULL */
+ int gpio_pendown_debounce; /* platform specific debounce time for
+ * the gpio_pendown */
int (*get_pendown_state)(void);
int (*filter_init) (const struct ads7846_platform_data *pdata,
void **filter_data);
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 6f0ba01..63445ed 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1351,7 +1351,7 @@
};
extern void xfrm_init(void);
-extern void xfrm4_init(int rt_hash_size);
+extern void xfrm4_init(void);
extern int xfrm_state_init(struct net *net);
extern void xfrm_state_fini(struct net *net);
extern void xfrm4_state_init(void);
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 88fae8d..55367b0 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -135,6 +135,8 @@
* because we did a bus reset. */
unsigned use_10_for_rw:1; /* first try 10-byte read / write */
unsigned use_10_for_ms:1; /* first try 10-byte mode sense/select */
+ unsigned no_report_opcodes:1; /* no REPORT SUPPORTED OPERATION CODES */
+ unsigned no_write_same:1; /* no WRITE SAME command */
unsigned skip_ms_page_8:1; /* do not use MODE SENSE page 0x08 */
unsigned skip_ms_page_3f:1; /* do not use MODE SENSE page 0x3f */
unsigned skip_vpd_pages:1; /* do not read VPD pages */
@@ -362,6 +364,8 @@
int retries, struct scsi_sense_hdr *sshdr);
extern int scsi_get_vpd_page(struct scsi_device *, u8 page, unsigned char *buf,
int buf_len);
+extern int scsi_report_opcode(struct scsi_device *sdev, unsigned char *buffer,
+ unsigned int len, unsigned char opcode);
extern int scsi_device_set_state(struct scsi_device *sdev,
enum scsi_device_state state);
extern struct scsi_event *sdev_evt_alloc(enum scsi_device_event evt_type,
diff --git a/include/uapi/linux/oom.h b/include/uapi/linux/oom.h
index a49c4af..b29272d 100644
--- a/include/uapi/linux/oom.h
+++ b/include/uapi/linux/oom.h
@@ -8,4 +8,13 @@
#define OOM_SCORE_ADJ_MIN (-1000)
#define OOM_SCORE_ADJ_MAX 1000
+/*
+ * /proc/<pid>/oom_adj set to -17 protects from the oom killer for legacy
+ * purposes.
+ */
+#define OOM_DISABLE (-17)
+/* inclusive */
+#define OOM_ADJUST_MIN (-16)
+#define OOM_ADJUST_MAX 15
+
#endif /* _UAPI__INCLUDE_LINUX_OOM_H */
diff --git a/kernel/exit.c b/kernel/exit.c
index 346616c00..f9275e2 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -322,43 +322,6 @@
}
}
-/**
- * reparent_to_kthreadd - Reparent the calling kernel thread to kthreadd
- *
- * If a kernel thread is launched as a result of a system call, or if
- * it ever exits, it should generally reparent itself to kthreadd so it
- * isn't in the way of other processes and is correctly cleaned up on exit.
- *
- * The various task state such as scheduling policy and priority may have
- * been inherited from a user process, so we reset them to sane values here.
- *
- * NOTE that reparent_to_kthreadd() gives the caller full capabilities.
- */
-static void reparent_to_kthreadd(void)
-{
- write_lock_irq(&tasklist_lock);
-
- ptrace_unlink(current);
- /* Reparent to init */
- current->real_parent = current->parent = kthreadd_task;
- list_move_tail(¤t->sibling, ¤t->real_parent->children);
-
- /* Set the exit signal to SIGCHLD so we signal init on exit */
- current->exit_signal = SIGCHLD;
-
- if (task_nice(current) < 0)
- set_user_nice(current, 0);
- /* cpus_allowed? */
- /* rt_priority? */
- /* signals? */
- memcpy(current->signal->rlim, init_task.signal->rlim,
- sizeof(current->signal->rlim));
-
- atomic_inc(&init_cred.usage);
- commit_creds(&init_cred);
- write_unlock_irq(&tasklist_lock);
-}
-
void __set_special_pids(struct pid *pid)
{
struct task_struct *curr = current->group_leader;
@@ -370,13 +333,6 @@
change_pid(curr, PIDTYPE_PGID, pid);
}
-static void set_special_pids(struct pid *pid)
-{
- write_lock_irq(&tasklist_lock);
- __set_special_pids(pid);
- write_unlock_irq(&tasklist_lock);
-}
-
/*
* Let kernel threads use this to say that they allow a certain signal.
* Must not be used if kthread was cloned with CLONE_SIGHAND.
@@ -416,54 +372,6 @@
EXPORT_SYMBOL(disallow_signal);
-/*
- * Put all the gunge required to become a kernel thread without
- * attached user resources in one place where it belongs.
- */
-
-void daemonize(const char *name, ...)
-{
- va_list args;
- sigset_t blocked;
-
- va_start(args, name);
- vsnprintf(current->comm, sizeof(current->comm), name, args);
- va_end(args);
-
- /*
- * If we were started as result of loading a module, close all of the
- * user space pages. We don't need them, and if we didn't close them
- * they would be locked into memory.
- */
- exit_mm(current);
- /*
- * We don't want to get frozen, in case system-wide hibernation
- * or suspend transition begins right now.
- */
- current->flags |= (PF_NOFREEZE | PF_KTHREAD);
-
- if (current->nsproxy != &init_nsproxy) {
- get_nsproxy(&init_nsproxy);
- switch_task_namespaces(current, &init_nsproxy);
- }
- set_special_pids(&init_struct_pid);
- proc_clear_tty(current);
-
- /* Block and flush all signals */
- sigfillset(&blocked);
- sigprocmask(SIG_BLOCK, &blocked, NULL);
- flush_signals(current);
-
- /* Become as one with the init task */
-
- daemonize_fs_struct();
- daemonize_descriptors();
-
- reparent_to_kthreadd();
-}
-
-EXPORT_SYMBOL(daemonize);
-
#ifdef CONFIG_MM_OWNER
/*
* A task is exiting. If it owned this mm, find a new owner for the mm.
diff --git a/kernel/fork.c b/kernel/fork.c
index 8b20ab7..27a3375 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1645,6 +1645,49 @@
}
#endif
+#ifdef __ARCH_WANT_SYS_FORK
+SYSCALL_DEFINE0(fork)
+{
+#ifdef CONFIG_MMU
+ return do_fork(SIGCHLD, 0, current_pt_regs(), 0, NULL, NULL);
+#else
+ /* can not support in nommu mode */
+ return(-EINVAL);
+#endif
+}
+#endif
+
+#ifdef __ARCH_WANT_SYS_VFORK
+SYSCALL_DEFINE0(vfork)
+{
+ return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, 0, current_pt_regs(),
+ 0, NULL, NULL);
+}
+#endif
+
+#ifdef __ARCH_WANT_SYS_CLONE
+#ifdef CONFIG_CLONE_BACKWARDS
+SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp,
+ int __user *, parent_tidptr,
+ int, tls_val,
+ int __user *, child_tidptr)
+#elif defined(CONFIG_CLONE_BACKWARDS2)
+SYSCALL_DEFINE5(clone, unsigned long, newsp, unsigned long, clone_flags,
+ int __user *, parent_tidptr,
+ int __user *, child_tidptr,
+ int, tls_val)
+#else
+SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp,
+ int __user *, parent_tidptr,
+ int __user *, child_tidptr,
+ int, tls_val)
+#endif
+{
+ return do_fork(clone_flags, newsp, current_pt_regs(), 0,
+ parent_tidptr, child_tidptr);
+}
+#endif
+
#ifndef ARCH_MIN_MMSTRUCT_ALIGN
#define ARCH_MIN_MMSTRUCT_ALIGN 0
#endif
diff --git a/kernel/futex.c b/kernel/futex.c
index 3717e7b..20ef219 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -716,7 +716,7 @@
struct futex_pi_state **ps,
struct task_struct *task, int set_waiters)
{
- int lock_taken, ret, ownerdied = 0;
+ int lock_taken, ret, force_take = 0;
u32 uval, newval, curval, vpid = task_pid_vnr(task);
retry:
@@ -755,17 +755,15 @@
newval = curval | FUTEX_WAITERS;
/*
- * There are two cases, where a futex might have no owner (the
- * owner TID is 0): OWNER_DIED. We take over the futex in this
- * case. We also do an unconditional take over, when the owner
- * of the futex died.
- *
- * This is safe as we are protected by the hash bucket lock !
+ * Should we force take the futex? See below.
*/
- if (unlikely(ownerdied || !(curval & FUTEX_TID_MASK))) {
- /* Keep the OWNER_DIED bit */
+ if (unlikely(force_take)) {
+ /*
+ * Keep the OWNER_DIED and the WAITERS bit and set the
+ * new TID value.
+ */
newval = (curval & ~FUTEX_TID_MASK) | vpid;
- ownerdied = 0;
+ force_take = 0;
lock_taken = 1;
}
@@ -775,7 +773,7 @@
goto retry;
/*
- * We took the lock due to owner died take over.
+ * We took the lock due to forced take over.
*/
if (unlikely(lock_taken))
return 1;
@@ -790,20 +788,25 @@
switch (ret) {
case -ESRCH:
/*
- * No owner found for this futex. Check if the
- * OWNER_DIED bit is set to figure out whether
- * this is a robust futex or not.
+ * We failed to find an owner for this
+ * futex. So we have no pi_state to block
+ * on. This can happen in two cases:
+ *
+ * 1) The owner died
+ * 2) A stale FUTEX_WAITERS bit
+ *
+ * Re-read the futex value.
*/
if (get_futex_value_locked(&curval, uaddr))
return -EFAULT;
/*
- * We simply start over in case of a robust
- * futex. The code above will take the futex
- * and return happy.
+ * If the owner died or we have a stale
+ * WAITERS bit the owner TID in the user space
+ * futex is 0.
*/
- if (curval & FUTEX_OWNER_DIED) {
- ownerdied = 1;
+ if (!(curval & FUTEX_TID_MASK)) {
+ force_take = 1;
goto retry;
}
default:
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index 678ce4f..095ab15 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -641,7 +641,14 @@
************** MIPS *****************
***************************************/
#if defined(__mips__) && W_TYPE_SIZE == 32
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
+#define umul_ppmm(w1, w0, u, v) \
+do { \
+ UDItype __ll = (UDItype)(u) * (v); \
+ w1 = __ll >> 32; \
+ w0 = __ll; \
+} while (0)
+#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("multu %2,%3" \
: "=l" ((USItype)(w0)), \
@@ -666,7 +673,15 @@
************** MIPS/64 **************
***************************************/
#if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 7
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 4
+#define umul_ppmm(w1, w0, u, v) \
+do { \
+ typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \
+ __ll_UTItype __ll = (__ll_UTItype)(u) * (v); \
+ w1 = __ll >> 64; \
+ w0 = __ll; \
+} while (0)
+#elif __GNUC__ > 2 || __GNUC_MINOR__ >= 7
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("dmultu %2,%3" \
: "=l" ((UDItype)(w0)), \
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 434be4a..f468185 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -198,8 +198,6 @@
int order = ilog2(BITS_PER_LONG);
__free_pages_bootmem(pfn_to_page(start), order);
- fixup_zone_present_pages(page_to_nid(pfn_to_page(start)),
- start, start + BITS_PER_LONG);
count += BITS_PER_LONG;
start += BITS_PER_LONG;
} else {
@@ -210,9 +208,6 @@
if (vec & 1) {
page = pfn_to_page(start + off);
__free_pages_bootmem(page, 0);
- fixup_zone_present_pages(
- page_to_nid(page),
- start + off, start + off + 1);
count++;
}
vec >>= 1;
@@ -226,11 +221,8 @@
pages = bdata->node_low_pfn - bdata->node_min_pfn;
pages = bootmem_bootmap_pages(pages);
count += pages;
- while (pages--) {
- fixup_zone_present_pages(page_to_nid(page),
- page_to_pfn(page), page_to_pfn(page) + 1);
+ while (pages--)
__free_pages_bootmem(page++, 0);
- }
bdebug("nid=%td released=%lx\n", bdata - bootmem_node_data, count);
diff --git a/mm/highmem.c b/mm/highmem.c
index d517cd1..2da13a5 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -98,7 +98,7 @@
{
unsigned long addr = (unsigned long)vaddr;
- if (addr >= PKMAP_ADDR(0) && addr <= PKMAP_ADDR(LAST_PKMAP)) {
+ if (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) {
int i = (addr - PKMAP_ADDR(0)) >> PAGE_SHIFT;
return pte_page(pkmap_page_table[i]);
}
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7acf43b..dd39ba0 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1055,12 +1055,24 @@
struct mem_cgroup *memcg)
{
struct mem_cgroup_per_zone *mz;
+ struct lruvec *lruvec;
- if (mem_cgroup_disabled())
- return &zone->lruvec;
+ if (mem_cgroup_disabled()) {
+ lruvec = &zone->lruvec;
+ goto out;
+ }
mz = mem_cgroup_zoneinfo(memcg, zone_to_nid(zone), zone_idx(zone));
- return &mz->lruvec;
+ lruvec = &mz->lruvec;
+out:
+ /*
+ * Since a node can be onlined after the mem_cgroup was created,
+ * we have to be prepared to initialize lruvec->zone here;
+ * and if offlined then reonlined, we need to reinitialize it.
+ */
+ if (unlikely(lruvec->zone != zone))
+ lruvec->zone = zone;
+ return lruvec;
}
/*
@@ -1087,9 +1099,12 @@
struct mem_cgroup_per_zone *mz;
struct mem_cgroup *memcg;
struct page_cgroup *pc;
+ struct lruvec *lruvec;
- if (mem_cgroup_disabled())
- return &zone->lruvec;
+ if (mem_cgroup_disabled()) {
+ lruvec = &zone->lruvec;
+ goto out;
+ }
pc = lookup_page_cgroup(page);
memcg = pc->mem_cgroup;
@@ -1107,7 +1122,16 @@
pc->mem_cgroup = memcg = root_mem_cgroup;
mz = page_cgroup_zoneinfo(memcg, page);
- return &mz->lruvec;
+ lruvec = &mz->lruvec;
+out:
+ /*
+ * Since a node can be onlined after the mem_cgroup was created,
+ * we have to be prepared to initialize lruvec->zone here;
+ * and if offlined then reonlined, we need to reinitialize it.
+ */
+ if (unlikely(lruvec->zone != zone))
+ lruvec->zone = zone;
+ return lruvec;
}
/**
@@ -1452,17 +1476,26 @@
static u64 mem_cgroup_get_limit(struct mem_cgroup *memcg)
{
u64 limit;
- u64 memsw;
limit = res_counter_read_u64(&memcg->res, RES_LIMIT);
- limit += total_swap_pages << PAGE_SHIFT;
- memsw = res_counter_read_u64(&memcg->memsw, RES_LIMIT);
/*
- * If memsw is finite and limits the amount of swap space available
- * to this memcg, return that limit.
+ * Do not consider swap space if we cannot swap due to swappiness
*/
- return min(limit, memsw);
+ if (mem_cgroup_swappiness(memcg)) {
+ u64 memsw;
+
+ limit += total_swap_pages << PAGE_SHIFT;
+ memsw = res_counter_read_u64(&memcg->memsw, RES_LIMIT);
+
+ /*
+ * If memsw is finite and limits the amount of swap space
+ * available to this memcg, return that limit.
+ */
+ limit = min(limit, memsw);
+ }
+
+ return limit;
}
void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask,
@@ -3688,17 +3721,17 @@
static bool mem_cgroup_force_empty_list(struct mem_cgroup *memcg,
int node, int zid, enum lru_list lru)
{
- struct mem_cgroup_per_zone *mz;
+ struct lruvec *lruvec;
unsigned long flags, loop;
struct list_head *list;
struct page *busy;
struct zone *zone;
zone = &NODE_DATA(node)->node_zones[zid];
- mz = mem_cgroup_zoneinfo(memcg, node, zid);
- list = &mz->lruvec.lists[lru];
+ lruvec = mem_cgroup_zone_lruvec(zone, memcg);
+ list = &lruvec->lists[lru];
- loop = mz->lru_size[lru];
+ loop = mem_cgroup_get_lru_size(lruvec, lru);
/* give some margin against EBUSY etc...*/
loop += 256;
busy = NULL;
@@ -4736,7 +4769,7 @@
for (zone = 0; zone < MAX_NR_ZONES; zone++) {
mz = &pn->zoneinfo[zone];
- lruvec_init(&mz->lruvec, &NODE_DATA(node)->node_zones[zone]);
+ lruvec_init(&mz->lruvec);
mz->usage_in_excess = 0;
mz->on_tree = false;
mz->memcg = memcg;
diff --git a/mm/memory.c b/mm/memory.c
index fb135ba..221fc9f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2527,9 +2527,8 @@
int ret = 0;
int page_mkwrite = 0;
struct page *dirty_page = NULL;
- unsigned long mmun_start; /* For mmu_notifiers */
- unsigned long mmun_end; /* For mmu_notifiers */
- bool mmun_called = false; /* For mmu_notifiers */
+ unsigned long mmun_start = 0; /* For mmu_notifiers */
+ unsigned long mmun_end = 0; /* For mmu_notifiers */
old_page = vm_normal_page(vma, address, orig_pte);
if (!old_page) {
@@ -2708,8 +2707,7 @@
goto oom_free_new;
mmun_start = address & PAGE_MASK;
- mmun_end = (address & PAGE_MASK) + PAGE_SIZE;
- mmun_called = true;
+ mmun_end = mmun_start + PAGE_SIZE;
mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);
/*
@@ -2778,7 +2776,7 @@
page_cache_release(new_page);
unlock:
pte_unmap_unlock(page_table, ptl);
- if (mmun_called)
+ if (mmun_end > mmun_start)
mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
if (old_page) {
/*
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 56b758a..e4eeaca 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -106,7 +106,6 @@
void __ref put_page_bootmem(struct page *page)
{
unsigned long type;
- struct zone *zone;
type = (unsigned long) page->lru.next;
BUG_ON(type < MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE ||
@@ -117,12 +116,6 @@
set_page_private(page, 0);
INIT_LIST_HEAD(&page->lru);
__free_pages_bootmem(page, 0);
-
- zone = page_zone(page);
- zone_span_writelock(zone);
- zone->present_pages++;
- zone_span_writeunlock(zone);
- totalram_pages++;
}
}
diff --git a/mm/mmap.c b/mm/mmap.c
index 2d94235..9a796c4 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -334,8 +334,10 @@
struct vm_area_struct *vma = mm->mmap;
while (vma) {
struct anon_vma_chain *avc;
+ vma_lock_anon_vma(vma);
list_for_each_entry(avc, &vma->anon_vma_chain, same_vma)
anon_vma_interval_tree_verify(avc);
+ vma_unlock_anon_vma(vma);
vma = vma->vm_next;
i++;
}
diff --git a/mm/mmzone.c b/mm/mmzone.c
index 3cef80f..4596d81 100644
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -87,7 +87,7 @@
}
#endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */
-void lruvec_init(struct lruvec *lruvec, struct zone *zone)
+void lruvec_init(struct lruvec *lruvec)
{
enum lru_list lru;
@@ -95,8 +95,4 @@
for_each_lru(lru)
INIT_LIST_HEAD(&lruvec->lists[lru]);
-
-#ifdef CONFIG_MEMCG
- lruvec->zone = zone;
-#endif
}
diff --git a/mm/nobootmem.c b/mm/nobootmem.c
index 714d5d6..bd82f6b 100644
--- a/mm/nobootmem.c
+++ b/mm/nobootmem.c
@@ -116,8 +116,6 @@
return 0;
__free_pages_memory(start_pfn, end_pfn);
- fixup_zone_present_pages(pfn_to_nid(start >> PAGE_SHIFT),
- start_pfn, end_pfn);
return end_pfn - start_pfn;
}
@@ -128,7 +126,6 @@
phys_addr_t start, end, size;
u64 i;
- reset_zone_present_pages();
for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL)
count += __free_memory_core(start, end);
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 5b74de6..bcb72c6 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1405,7 +1405,7 @@
mt = get_pageblock_migratetype(page);
if (unlikely(mt != MIGRATE_ISOLATE))
- __mod_zone_freepage_state(zone, -(1UL << order), mt);
+ __mod_zone_freepage_state(zone, -(1UL << alloc_order), mt);
if (alloc_order != order)
expand(zone, page, alloc_order, order,
@@ -4505,7 +4505,7 @@
zone->zone_pgdat = pgdat;
zone_pcp_init(zone);
- lruvec_init(&zone->lruvec, zone);
+ lruvec_init(&zone->lruvec);
if (!size)
continue;
@@ -6098,37 +6098,3 @@
dump_page_flags(page->flags);
mem_cgroup_print_bad_page(page);
}
-
-/* reset zone->present_pages */
-void reset_zone_present_pages(void)
-{
- struct zone *z;
- int i, nid;
-
- for_each_node_state(nid, N_HIGH_MEMORY) {
- for (i = 0; i < MAX_NR_ZONES; i++) {
- z = NODE_DATA(nid)->node_zones + i;
- z->present_pages = 0;
- }
- }
-}
-
-/* calculate zone's present pages in buddy system */
-void fixup_zone_present_pages(int nid, unsigned long start_pfn,
- unsigned long end_pfn)
-{
- struct zone *z;
- unsigned long zone_start_pfn, zone_end_pfn;
- int i;
-
- for (i = 0; i < MAX_NR_ZONES; i++) {
- z = NODE_DATA(nid)->node_zones + i;
- zone_start_pfn = z->zone_start_pfn;
- zone_end_pfn = zone_start_pfn + z->spanned_pages;
-
- /* if the two regions intersect */
- if (!(zone_start_pfn >= end_pfn || zone_end_pfn <= start_pfn))
- z->present_pages += min(end_pfn, zone_end_pfn) -
- max(start_pfn, zone_start_pfn);
- }
-}
diff --git a/mm/shmem.c b/mm/shmem.c
index 67afba5..89341b6 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -643,7 +643,7 @@
kfree(info->symlink);
simple_xattrs_free(&info->xattrs);
- BUG_ON(inode->i_blocks);
+ WARN_ON(inode->i_blocks);
shmem_free_inode(inode->i_sb);
clear_inode(inode);
}
@@ -1145,8 +1145,20 @@
if (!error) {
error = shmem_add_to_page_cache(page, mapping, index,
gfp, swp_to_radix_entry(swap));
- /* We already confirmed swap, and make no allocation */
- VM_BUG_ON(error);
+ /*
+ * We already confirmed swap under page lock, and make
+ * no memory allocation here, so usually no possibility
+ * of error; but free_swap_and_cache() only trylocks a
+ * page, so it is just possible that the entry has been
+ * truncated or holepunched since swap was confirmed.
+ * shmem_undo_range() will have done some of the
+ * unaccounting, now delete_from_swap_cache() will do
+ * the rest (including mem_cgroup_uncharge_swapcache).
+ * Reset swap.val? No, leave it so "failed" goes back to
+ * "repeat": reading a hole and writing should succeed.
+ */
+ if (error)
+ delete_from_swap_cache(page);
}
if (error)
goto failed;
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 71cd288..f91a255 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1494,9 +1494,8 @@
BUG_ON(!current->mm);
pathname = getname(specialfile);
- err = PTR_ERR(pathname);
if (IS_ERR(pathname))
- goto out;
+ return PTR_ERR(pathname);
victim = file_open_name(pathname, O_RDWR|O_LARGEFILE, 0);
err = PTR_ERR(victim);
@@ -1608,6 +1607,7 @@
out_dput:
filp_close(victim, NULL);
out:
+ putname(pathname);
return err;
}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 8b055e9..48550c6 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -1760,28 +1760,6 @@
return false;
}
-#ifdef CONFIG_COMPACTION
-/*
- * If compaction is deferred for sc->order then scale the number of pages
- * reclaimed based on the number of consecutive allocation failures
- */
-static unsigned long scale_for_compaction(unsigned long pages_for_compaction,
- struct lruvec *lruvec, struct scan_control *sc)
-{
- struct zone *zone = lruvec_zone(lruvec);
-
- if (zone->compact_order_failed <= sc->order)
- pages_for_compaction <<= zone->compact_defer_shift;
- return pages_for_compaction;
-}
-#else
-static unsigned long scale_for_compaction(unsigned long pages_for_compaction,
- struct lruvec *lruvec, struct scan_control *sc)
-{
- return pages_for_compaction;
-}
-#endif
-
/*
* Reclaim/compaction is used for high-order allocation requests. It reclaims
* order-0 pages before compacting the zone. should_continue_reclaim() returns
@@ -1829,9 +1807,6 @@
* inactive lists are large enough, continue reclaiming
*/
pages_for_compaction = (2UL << sc->order);
-
- pages_for_compaction = scale_for_compaction(pages_for_compaction,
- lruvec, sc);
inactive_lru_pages = get_lru_size(lruvec, LRU_INACTIVE_FILE);
if (nr_swap_pages > 0)
inactive_lru_pages += get_lru_size(lruvec, LRU_INACTIVE_ANON);
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index b9a28d2..ce0684a 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -325,6 +325,12 @@
soft_iface->last_rx = jiffies;
+ /* Let the bridge loop avoidance check the packet. If will
+ * not handle it, we can safely push it up.
+ */
+ if (batadv_bla_rx(bat_priv, skb, vid, is_bcast))
+ goto out;
+
if (orig_node)
batadv_tt_add_temporary_global_entry(bat_priv, orig_node,
ethhdr->h_source);
@@ -332,12 +338,6 @@
if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest))
goto dropped;
- /* Let the bridge loop avoidance check the packet. If will
- * not handle it, we can safely push it up.
- */
- if (batadv_bla_rx(bat_priv, skb, vid, is_bcast))
- goto out;
-
netif_rx(skb);
goto out;
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 112edd3..baae715 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -769,6 +769,12 @@
*/
tt_global_entry->common.flags &= ~BATADV_TT_CLIENT_TEMP;
+ /* the change can carry possible "attribute" flags like the
+ * TT_CLIENT_WIFI, therefore they have to be copied in the
+ * client entry
+ */
+ tt_global_entry->common.flags |= flags;
+
/* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only
* one originator left in the list and we previously received a
* delete + roaming change for this originator.
@@ -1496,7 +1502,7 @@
memcpy(tt_change->addr, tt_common_entry->addr,
ETH_ALEN);
- tt_change->flags = BATADV_NO_FLAGS;
+ tt_change->flags = tt_common_entry->flags;
tt_count++;
tt_change++;
@@ -2450,6 +2456,13 @@
{
bool ret = false;
+ /* if the originator is a backbone node (meaning it belongs to the same
+ * LAN of this node) the temporary client must not be added because to
+ * reach such destination the node must use the LAN instead of the mesh
+ */
+ if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig))
+ goto out;
+
if (!batadv_tt_global_add(bat_priv, orig_node, addr,
BATADV_TT_CLIENT_TEMP,
atomic_read(&orig_node->last_ttvn)))
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 8a0ce70..a0a2f97b 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1754,11 +1754,11 @@
if (hdev->dev_type != HCI_AMP)
set_bit(HCI_AUTO_OFF, &hdev->dev_flags);
- schedule_work(&hdev->power_on);
-
hci_notify(hdev, HCI_DEV_REG);
hci_dev_hold(hdev);
+ schedule_work(&hdev->power_on);
+
return id;
err_wqueue:
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index aa2ea0a..91de423 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -326,7 +326,7 @@
struct hci_dev *d;
size_t rp_len;
u16 count;
- int i, err;
+ int err;
BT_DBG("sock %p", sk);
@@ -347,9 +347,7 @@
return -ENOMEM;
}
- rp->num_controllers = cpu_to_le16(count);
-
- i = 0;
+ count = 0;
list_for_each_entry(d, &hci_dev_list, list) {
if (test_bit(HCI_SETUP, &d->dev_flags))
continue;
@@ -357,10 +355,13 @@
if (!mgmt_valid_hdev(d))
continue;
- rp->index[i++] = cpu_to_le16(d->id);
+ rp->index[count++] = cpu_to_le16(d->id);
BT_DBG("Added hci%u", d->id);
}
+ rp->num_controllers = cpu_to_le16(count);
+ rp_len = sizeof(*rp) + (2 * count);
+
read_unlock(&hci_dev_list_lock);
err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp,
@@ -1366,6 +1367,7 @@
continue;
list_del(&match->list);
+ kfree(match);
found++;
}
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 2ac8d50..a592337 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -267,7 +267,7 @@
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->hcon->flags);
mgmt_auth_failed(conn->hcon->hdev, conn->dst, hcon->type,
- hcon->dst_type, reason);
+ hcon->dst_type, HCI_ERROR_AUTH_FAILURE);
cancel_delayed_work_sync(&conn->security_timer);
diff --git a/net/core/dev.c b/net/core/dev.c
index bda6d00..c0946cb 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2818,8 +2818,10 @@
if (unlikely(tcpu != next_cpu) &&
(tcpu == RPS_NO_CPU || !cpu_online(tcpu) ||
((int)(per_cpu(softnet_data, tcpu).input_queue_head -
- rflow->last_qtail)) >= 0))
+ rflow->last_qtail)) >= 0)) {
+ tcpu = next_cpu;
rflow = set_rps_cpu(dev, skb, rflow, next_cpu);
+ }
if (tcpu != RPS_NO_CPU && cpu_online(tcpu)) {
*rflowp = rflow;
diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c
index 87cc17d..b079c7b 100644
--- a/net/core/dev_addr_lists.c
+++ b/net/core/dev_addr_lists.c
@@ -319,7 +319,8 @@
*/
ha = list_first_entry(&dev->dev_addrs.list,
struct netdev_hw_addr, list);
- if (ha->addr == dev->dev_addr && ha->refcount == 1)
+ if (!memcmp(ha->addr, addr, dev->addr_len) &&
+ ha->type == addr_type && ha->refcount == 1)
return -ENOENT;
err = __hw_addr_del(&dev->dev_addrs, addr, dev->addr_len,
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index bcf02f6..017a8ba 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -429,6 +429,17 @@
.name = "statistics",
.attrs = netstat_attrs,
};
+
+#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
+static struct attribute *wireless_attrs[] = {
+ NULL
+};
+
+static struct attribute_group wireless_group = {
+ .name = "wireless",
+ .attrs = wireless_attrs,
+};
+#endif
#endif /* CONFIG_SYSFS */
#ifdef CONFIG_RPS
@@ -1409,6 +1420,15 @@
groups++;
*groups++ = &netstat_group;
+
+#if IS_ENABLED(CONFIG_WIRELESS_EXT) || IS_ENABLED(CONFIG_CFG80211)
+ if (net->ieee80211_ptr)
+ *groups++ = &wireless_group;
+#if IS_ENABLED(CONFIG_WIRELESS_EXT)
+ else if (net->wireless_handlers)
+ *groups++ = &wireless_group;
+#endif
+#endif
#endif /* CONFIG_SYSFS */
error = device_add(dev);
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 5eea4a8..14bbfcf 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -457,19 +457,28 @@
struct inet_sock *inet = inet_sk(sk);
int val = 0, err;
- if (((1<<optname) & ((1<<IP_PKTINFO) | (1<<IP_RECVTTL) |
- (1<<IP_RECVOPTS) | (1<<IP_RECVTOS) |
- (1<<IP_RETOPTS) | (1<<IP_TOS) |
- (1<<IP_TTL) | (1<<IP_HDRINCL) |
- (1<<IP_MTU_DISCOVER) | (1<<IP_RECVERR) |
- (1<<IP_ROUTER_ALERT) | (1<<IP_FREEBIND) |
- (1<<IP_PASSSEC) | (1<<IP_TRANSPARENT) |
- (1<<IP_MINTTL) | (1<<IP_NODEFRAG))) ||
- optname == IP_UNICAST_IF ||
- optname == IP_MULTICAST_TTL ||
- optname == IP_MULTICAST_ALL ||
- optname == IP_MULTICAST_LOOP ||
- optname == IP_RECVORIGDSTADDR) {
+ switch (optname) {
+ case IP_PKTINFO:
+ case IP_RECVTTL:
+ case IP_RECVOPTS:
+ case IP_RECVTOS:
+ case IP_RETOPTS:
+ case IP_TOS:
+ case IP_TTL:
+ case IP_HDRINCL:
+ case IP_MTU_DISCOVER:
+ case IP_RECVERR:
+ case IP_ROUTER_ALERT:
+ case IP_FREEBIND:
+ case IP_PASSSEC:
+ case IP_TRANSPARENT:
+ case IP_MINTTL:
+ case IP_NODEFRAG:
+ case IP_UNICAST_IF:
+ case IP_MULTICAST_TTL:
+ case IP_MULTICAST_ALL:
+ case IP_MULTICAST_LOOP:
+ case IP_RECVORIGDSTADDR:
if (optlen >= sizeof(int)) {
if (get_user(val, (int __user *) optval))
return -EFAULT;
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 1831092..858fddf 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -338,12 +338,17 @@
if (tunnel != NULL) {
struct pcpu_tstats *tstats;
+ if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb))
+ return -1;
+
tstats = this_cpu_ptr(tunnel->dev->tstats);
u64_stats_update_begin(&tstats->syncp);
tstats->rx_packets++;
tstats->rx_bytes += skb->len;
u64_stats_update_end(&tstats->syncp);
+ skb->mark = 0;
+ secpath_reset(skb);
skb->dev = tunnel->dev;
return 1;
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a8c65121..df25142 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1785,6 +1785,7 @@
if (dev_out->flags & IFF_LOOPBACK)
flags |= RTCF_LOCAL;
+ do_cache = true;
if (type == RTN_BROADCAST) {
flags |= RTCF_BROADCAST | RTCF_LOCAL;
fi = NULL;
@@ -1793,6 +1794,8 @@
if (!ip_check_mc_rcu(in_dev, fl4->daddr, fl4->saddr,
fl4->flowi4_proto))
flags &= ~RTCF_LOCAL;
+ else
+ do_cache = false;
/* If multicast route do not exist use
* default one, but do not gateway in this case.
* Yes, it is hack.
@@ -1802,8 +1805,8 @@
}
fnhe = NULL;
- do_cache = fi != NULL;
- if (fi) {
+ do_cache &= fi != NULL;
+ if (do_cache) {
struct rtable __rcu **prth;
struct fib_nh *nh = &FIB_RES_NH(*res);
@@ -2597,7 +2600,7 @@
pr_err("Unable to create route proc files\n");
#ifdef CONFIG_XFRM
xfrm_init();
- xfrm4_init(ip_rt_max_size);
+ xfrm4_init();
#endif
rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 197c000..083092e 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1212,7 +1212,7 @@
wait_for_sndbuf:
set_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
wait_for_memory:
- if (copied && likely(!tp->repair))
+ if (copied)
tcp_push(sk, flags & ~MSG_MORE, mss_now, TCP_NAGLE_PUSH);
if ((err = sk_stream_wait_memory(sk, &timeo)) != 0)
@@ -1223,7 +1223,7 @@
}
out:
- if (copied && likely(!tp->repair))
+ if (copied)
tcp_push(sk, flags, mss_now, tp->nonagle);
release_sock(sk);
return copied + copied_syn;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2c2b13a..609ff98 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5313,11 +5313,6 @@
goto discard;
}
- /* ts_recent update must be made after we are sure that the packet
- * is in window.
- */
- tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
-
/* step 3: check security and precedence [ignored] */
/* step 4: Check for a SYN
@@ -5552,6 +5547,11 @@
if (th->ack && tcp_ack(sk, skb, FLAG_SLOWPATH) < 0)
goto discard;
+ /* ts_recent update must be made after we are sure that the packet
+ * is in window.
+ */
+ tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
+
tcp_rcv_rtt_measure_ts(sk, skb);
/* Process urgent data. */
@@ -6130,6 +6130,11 @@
} else
goto discard;
+ /* ts_recent update must be made after we are sure that the packet
+ * is in window.
+ */
+ tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq);
+
/* step 6: check the URG bit */
tcp_urg(sk, skb, th);
diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c
index 53bc584..f696d7c 100644
--- a/net/ipv4/tcp_metrics.c
+++ b/net/ipv4/tcp_metrics.c
@@ -1,7 +1,6 @@
#include <linux/rcupdate.h>
#include <linux/spinlock.h>
#include <linux/jiffies.h>
-#include <linux/bootmem.h>
#include <linux/module.h>
#include <linux/cache.h>
#include <linux/slab.h>
@@ -9,6 +8,7 @@
#include <linux/tcp.h>
#include <linux/hash.h>
#include <linux/tcp_metrics.h>
+#include <linux/vmalloc.h>
#include <net/inet_connection_sock.h>
#include <net/net_namespace.h>
@@ -1034,7 +1034,10 @@
net->ipv4.tcp_metrics_hash_log = order_base_2(slots);
size = sizeof(struct tcpm_hash_bucket) << net->ipv4.tcp_metrics_hash_log;
- net->ipv4.tcp_metrics_hash = kzalloc(size, GFP_KERNEL);
+ net->ipv4.tcp_metrics_hash = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
+ if (!net->ipv4.tcp_metrics_hash)
+ net->ipv4.tcp_metrics_hash = vzalloc(size);
+
if (!net->ipv4.tcp_metrics_hash)
return -ENOMEM;
@@ -1055,7 +1058,10 @@
tm = next;
}
}
- kfree(net->ipv4.tcp_metrics_hash);
+ if (is_vmalloc_addr(net->ipv4.tcp_metrics_hash))
+ vfree(net->ipv4.tcp_metrics_hash);
+ else
+ kfree(net->ipv4.tcp_metrics_hash);
}
static __net_initdata struct pernet_operations tcp_net_metrics_ops = {
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index cfe6ffe..2798706 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1986,6 +1986,9 @@
tso_segs = tcp_init_tso_segs(sk, skb, mss_now);
BUG_ON(!tso_segs);
+ if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE)
+ goto repair; /* Skip network transmission */
+
cwnd_quota = tcp_cwnd_test(tp, skb);
if (!cwnd_quota)
break;
@@ -2026,6 +2029,7 @@
if (unlikely(tcp_transmit_skb(sk, skb, 1, gfp)))
break;
+repair:
/* Advance the send_head. This one is sent out.
* This call will increment packets_out.
*/
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 05c5ab8..3be0ac2 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -279,19 +279,8 @@
xfrm_policy_unregister_afinfo(&xfrm4_policy_afinfo);
}
-void __init xfrm4_init(int rt_max_size)
+void __init xfrm4_init(void)
{
- /*
- * Select a default value for the gc_thresh based on the main route
- * table hash size. It seems to me the worst case scenario is when
- * we have ipsec operating in transport mode, in which we create a
- * dst_entry per socket. The xfrm gc algorithm starts trying to remove
- * entries at gc_thresh, and prevents new allocations as 2*gc_thresh
- * so lets set an initial xfrm gc_thresh value at the rt_max_size/2.
- * That will let us store an ipsec connection per route table entry,
- * and start cleaning when were 1/2 full
- */
- xfrm4_dst_ops.gc_thresh = rt_max_size/2;
dst_entries_init(&xfrm4_dst_ops);
xfrm4_state_init();
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index c4f9341..3064785 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -252,6 +252,7 @@
return NULL;
dst->ops->update_pmtu(dst, sk, NULL, mtu);
- return inet6_csk_route_socket(sk, &fl6);
+ dst = inet6_csk_route_socket(sk, &fl6);
+ return IS_ERR(dst) ? NULL : dst;
}
EXPORT_SYMBOL_GPL(inet6_csk_update_pmtu);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index ba6d13d..e02faed 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -827,6 +827,7 @@
if (val < 0 || val > 255)
goto e_inval;
np->min_hopcount = val;
+ retv = 0;
break;
case IPV6_DONTFRAG:
np->dontfrag = valbool;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 05f3a31..7371f67 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2594,6 +2594,9 @@
else
local->probe_req_reg--;
+ if (!local->open_count)
+ break;
+
ieee80211_queue_work(&local->hw, &local->reconfig_filter);
break;
default:
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index bf87c70..c21e33d 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -1151,10 +1151,6 @@
mutex_lock(&sdata->u.ibss.mtx);
- sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH;
- memset(sdata->u.ibss.bssid, 0, ETH_ALEN);
- sdata->u.ibss.ssid_len = 0;
-
active_ibss = ieee80211_sta_active_ibss(sdata);
if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) {
@@ -1175,6 +1171,10 @@
}
}
+ ifibss->state = IEEE80211_IBSS_MLME_SEARCH;
+ memset(ifibss->bssid, 0, ETH_ALEN);
+ ifibss->ssid_len = 0;
+
sta_info_flush(sdata->local, sdata);
spin_lock_bh(&ifibss->incomplete_lock);
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 8c80455..156e583 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1314,6 +1314,8 @@
struct net_device *dev);
netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
struct net_device *dev);
+void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
+ struct sk_buff_head *skbs);
/* HT */
void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index c80c449..f57f597 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -871,8 +871,10 @@
local->hw.wiphy->cipher_suites,
sizeof(u32) * local->hw.wiphy->n_cipher_suites,
GFP_KERNEL);
- if (!suites)
- return -ENOMEM;
+ if (!suites) {
+ result = -ENOMEM;
+ goto fail_wiphy_register;
+ }
for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) {
u32 suite = local->hw.wiphy->cipher_suites[r];
if (suite == WLAN_CIPHER_SUITE_WEP40 ||
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index c4cdbde..43e60b5 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -917,7 +917,7 @@
struct cfg80211_sched_scan_request *req)
{
struct ieee80211_local *local = sdata->local;
- struct ieee80211_sched_scan_ies sched_scan_ies;
+ struct ieee80211_sched_scan_ies sched_scan_ies = {};
int ret, i;
mutex_lock(&local->mtx);
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 0a4e4c0..d2eb64e 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -117,8 +117,8 @@
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]);
- __skb_queue_purge(&sta->ps_tx_buf[ac]);
- __skb_queue_purge(&sta->tx_filtered[ac]);
+ ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]);
+ ieee80211_purge_tx_queue(&local->hw, &sta->tx_filtered[ac]);
}
#ifdef CONFIG_MAC80211_MESH
@@ -141,7 +141,7 @@
tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);
if (!tid_tx)
continue;
- __skb_queue_purge(&tid_tx->pending);
+ ieee80211_purge_tx_queue(&local->hw, &tid_tx->pending);
kfree(tid_tx);
}
@@ -961,6 +961,7 @@
struct ieee80211_local *local = sdata->local;
struct sk_buff_head pending;
int filtered = 0, buffered = 0, ac;
+ unsigned long flags;
clear_sta_flag(sta, WLAN_STA_SP);
@@ -976,12 +977,16 @@
for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
int count = skb_queue_len(&pending), tmp;
+ spin_lock_irqsave(&sta->tx_filtered[ac].lock, flags);
skb_queue_splice_tail_init(&sta->tx_filtered[ac], &pending);
+ spin_unlock_irqrestore(&sta->tx_filtered[ac].lock, flags);
tmp = skb_queue_len(&pending);
filtered += tmp - count;
count = tmp;
+ spin_lock_irqsave(&sta->ps_tx_buf[ac].lock, flags);
skb_queue_splice_tail_init(&sta->ps_tx_buf[ac], &pending);
+ spin_unlock_irqrestore(&sta->ps_tx_buf[ac].lock, flags);
tmp = skb_queue_len(&pending);
buffered += tmp - count;
}
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 3af0cc4..101eb88 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -668,3 +668,12 @@
dev_kfree_skb_any(skb);
}
EXPORT_SYMBOL(ieee80211_free_txskb);
+
+void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
+ struct sk_buff_head *skbs)
+{
+ struct sk_buff *skb;
+
+ while ((skb = __skb_dequeue(skbs)))
+ ieee80211_free_txskb(hw, skb);
+}
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index c9bf83f..b858ebe 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1358,7 +1358,7 @@
if (tx->skb)
ieee80211_free_txskb(&tx->local->hw, tx->skb);
else
- __skb_queue_purge(&tx->skbs);
+ ieee80211_purge_tx_queue(&tx->local->hw, &tx->skbs);
return -1;
} else if (unlikely(res == TX_QUEUED)) {
I802_DEBUG_INC(tx->local->tx_handlers_queued);
@@ -2120,10 +2120,13 @@
*/
void ieee80211_clear_tx_pending(struct ieee80211_local *local)
{
+ struct sk_buff *skb;
int i;
- for (i = 0; i < local->hw.queues; i++)
- skb_queue_purge(&local->pending[i]);
+ for (i = 0; i < local->hw.queues; i++) {
+ while ((skb = skb_dequeue(&local->pending[i])) != NULL)
+ ieee80211_free_txskb(&local->hw, skb);
+ }
}
/*
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 2393918..0151ae3 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1491,6 +1491,8 @@
list_for_each_entry(sdata, &local->interfaces, list) {
if (sdata->vif.type != NL80211_IFTYPE_STATION)
continue;
+ if (!sdata->u.mgd.associated)
+ continue;
ieee80211_send_nullfunc(local, sdata, 0);
}
diff --git a/net/netfilter/ipset/ip_set_hash_ip.c b/net/netfilter/ipset/ip_set_hash_ip.c
index ec3dba5..5c0b785 100644
--- a/net/netfilter/ipset/ip_set_hash_ip.c
+++ b/net/netfilter/ipset/ip_set_hash_ip.c
@@ -173,6 +173,7 @@
return adtfn(set, &nip, timeout, flags);
}
+ ip_to = ip;
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -185,8 +186,7 @@
if (!cidr || cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
ip_set_mask_from_to(ip, ip_to, cidr);
- } else
- ip_to = ip;
+ }
hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1);
diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c
index 0171f75..6283351 100644
--- a/net/netfilter/ipset/ip_set_hash_ipport.c
+++ b/net/netfilter/ipset/ip_set_hash_ipport.c
@@ -162,7 +162,7 @@
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipport4_elem data = { };
- u32 ip, ip_to = 0, p = 0, port, port_to;
+ u32 ip, ip_to, p = 0, port, port_to;
u32 timeout = h->timeout;
bool with_ports = false;
int ret;
@@ -210,7 +210,7 @@
return ip_set_eexist(ret, flags) ? 0 : ret;
}
- ip = ntohl(data.ip);
+ ip_to = ip = ntohl(data.ip);
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -223,8 +223,7 @@
if (!cidr || cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
ip_set_mask_from_to(ip, ip_to, cidr);
- } else
- ip_to = ip;
+ }
port_to = port = ntohs(data.port);
if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c
index 6344ef5..6a21271 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportip.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportip.c
@@ -166,7 +166,7 @@
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportip4_elem data = { };
- u32 ip, ip_to = 0, p = 0, port, port_to;
+ u32 ip, ip_to, p = 0, port, port_to;
u32 timeout = h->timeout;
bool with_ports = false;
int ret;
@@ -218,7 +218,7 @@
return ip_set_eexist(ret, flags) ? 0 : ret;
}
- ip = ntohl(data.ip);
+ ip_to = ip = ntohl(data.ip);
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -231,8 +231,7 @@
if (!cidr || cidr > 32)
return -IPSET_ERR_INVALID_CIDR;
ip_set_mask_from_to(ip, ip_to, cidr);
- } else
- ip_to = ip;
+ }
port_to = port = ntohs(data.port);
if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index cb71f9a..2d5cd4e 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -215,8 +215,8 @@
const struct ip_set_hash *h = set->data;
ipset_adtfn adtfn = set->variant->adt[adt];
struct hash_ipportnet4_elem data = { .cidr = HOST_MASK - 1 };
- u32 ip, ip_to = 0, p = 0, port, port_to;
- u32 ip2_from = 0, ip2_to, ip2_last, ip2;
+ u32 ip, ip_to, p = 0, port, port_to;
+ u32 ip2_from, ip2_to, ip2_last, ip2;
u32 timeout = h->timeout;
bool with_ports = false;
u8 cidr;
@@ -286,6 +286,7 @@
return ip_set_eexist(ret, flags) ? 0 : ret;
}
+ ip_to = ip;
if (tb[IPSET_ATTR_IP_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
if (ret)
@@ -306,6 +307,8 @@
if (port > port_to)
swap(port, port_to);
}
+
+ ip2_to = ip2_from;
if (tb[IPSET_ATTR_IP2_TO]) {
ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
if (ret)
diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c
index 8847b4d..701c88a 100644
--- a/net/netfilter/nfnetlink_cttimeout.c
+++ b/net/netfilter/nfnetlink_cttimeout.c
@@ -41,7 +41,8 @@
static LIST_HEAD(cttimeout_list);
static const struct nla_policy cttimeout_nla_policy[CTA_TIMEOUT_MAX+1] = {
- [CTA_TIMEOUT_NAME] = { .type = NLA_NUL_STRING },
+ [CTA_TIMEOUT_NAME] = { .type = NLA_NUL_STRING,
+ .len = CTNL_TIMEOUT_NAME_MAX - 1},
[CTA_TIMEOUT_L3PROTO] = { .type = NLA_U16 },
[CTA_TIMEOUT_L4PROTO] = { .type = NLA_U8 },
[CTA_TIMEOUT_DATA] = { .type = NLA_NESTED },
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index cc10d07..9e8f4b2 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -1210,7 +1210,7 @@
local->remote_miu = LLCP_DEFAULT_MIU;
local->remote_lto = LLCP_DEFAULT_LTO;
- list_add(&llcp_devices, &local->list);
+ list_add(&local->list, &llcp_devices);
return 0;
}
diff --git a/net/sctp/proc.c b/net/sctp/proc.c
index c3bea26..9966e7b 100644
--- a/net/sctp/proc.c
+++ b/net/sctp/proc.c
@@ -102,7 +102,7 @@
.open = sctp_snmp_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = single_release,
+ .release = single_release_net,
};
/* Set up the proc fs entry for 'snmp' object. */
@@ -251,7 +251,7 @@
.open = sctp_eps_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = seq_release_net,
};
/* Set up the proc fs entry for 'eps' object. */
@@ -372,7 +372,7 @@
.open = sctp_assocs_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = seq_release_net,
};
/* Set up the proc fs entry for 'assocs' object. */
@@ -517,7 +517,7 @@
.open = sctp_remaddr_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = seq_release_net,
};
int __net_init sctp_remaddr_proc_init(struct net *net)
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index bcc7d7e..b75756b 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -141,9 +141,8 @@
.reg_rules = {
/* IEEE 802.11b/g, channels 1..11 */
REG_RULE(2412-10, 2462+10, 40, 6, 20, 0),
- /* IEEE 802.11b/g, channels 12..13. No HT40
- * channel fits here. */
- REG_RULE(2467-10, 2472+10, 20, 6, 20,
+ /* IEEE 802.11b/g, channels 12..13. */
+ REG_RULE(2467-10, 2472+10, 40, 6, 20,
NL80211_RRF_PASSIVE_SCAN |
NL80211_RRF_NO_IBSS),
/* IEEE 802.11 channel 14 - Only JP enables
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index bd2e098..cdd4860 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -12,7 +12,7 @@
#include <assert.h>
#include <stdio.h>
-#include <sys/queue.h>
+#include "list.h"
#ifndef __cplusplus
#include <stdbool.h>
#endif
@@ -175,12 +175,11 @@
#define MENU_ROOT 0x0002
struct jump_key {
- CIRCLEQ_ENTRY(jump_key) entries;
+ struct list_head entries;
size_t offset;
struct menu *target;
int index;
};
-CIRCLEQ_HEAD(jk_head, jump_key);
#define JUMP_NB 9
diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h
new file mode 100644
index 0000000..0ae730b
--- /dev/null
+++ b/scripts/kconfig/list.h
@@ -0,0 +1,91 @@
+#ifndef LIST_H
+#define LIST_H
+
+/*
+ * Copied from include/linux/...
+ */
+
+#undef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr: the pointer to the member.
+ * @type: the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
+ *
+ */
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+
+
+struct list_head {
+ struct list_head *next, *prev;
+};
+
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+ struct list_head name = LIST_HEAD_INIT(name)
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr: the &struct list_head pointer.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+ container_of(ptr, type, member)
+
+/**
+ * list_for_each_entry - iterate over list of given type
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry(pos, head, member) \
+ for (pos = list_entry((head)->next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(const struct list_head *head)
+{
+ return head->next == head;
+}
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_add(struct list_head *_new,
+ struct list_head *prev,
+ struct list_head *next)
+{
+ next->prev = _new;
+ _new->next = next;
+ _new->prev = prev;
+ prev->next = _new;
+}
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static inline void list_add_tail(struct list_head *_new, struct list_head *head)
+{
+ __list_add(_new, head->prev, head);
+}
+
+#endif
diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h
index 1d1c085..ef1a738 100644
--- a/scripts/kconfig/lkc_proto.h
+++ b/scripts/kconfig/lkc_proto.h
@@ -21,9 +21,9 @@
P(menu_get_parent_menu,struct menu *,(struct menu *menu));
P(menu_has_help,bool,(struct menu *menu));
P(menu_get_help,const char *,(struct menu *menu));
-P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct jk_head
+P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct list_head
*head));
-P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct jk_head
+P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct list_head
*head));
P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help));
diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 48f6744..53975cf 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -312,7 +312,7 @@
struct search_data {
- struct jk_head *head;
+ struct list_head *head;
struct menu **targets;
int *keys;
};
@@ -323,7 +323,7 @@
struct jump_key *pos;
int k = 0;
- CIRCLEQ_FOREACH(pos, data->head, entries) {
+ list_for_each_entry(pos, data->head, entries) {
if (pos->offset >= start && pos->offset < end) {
char header[4];
@@ -375,7 +375,7 @@
sym_arr = sym_re_search(dialog_input);
do {
- struct jk_head head = CIRCLEQ_HEAD_INITIALIZER(head);
+ LIST_HEAD(head);
struct menu *targets[JUMP_NB];
int keys[JUMP_NB + 1], i;
struct search_data data = {
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index a3cade6..e98a05c 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -508,7 +508,7 @@
}
static void get_prompt_str(struct gstr *r, struct property *prop,
- struct jk_head *head)
+ struct list_head *head)
{
int i, j;
struct menu *submenu[8], *menu, *location = NULL;
@@ -544,12 +544,13 @@
} else
jump->target = location;
- if (CIRCLEQ_EMPTY(head))
+ if (list_empty(head))
jump->index = 0;
else
- jump->index = CIRCLEQ_LAST(head)->index + 1;
+ jump->index = list_entry(head->prev, struct jump_key,
+ entries)->index + 1;
- CIRCLEQ_INSERT_TAIL(head, jump, entries);
+ list_add_tail(&jump->entries, head);
}
if (i > 0) {
@@ -573,7 +574,8 @@
/*
* head is optional and may be NULL
*/
-void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head)
+void get_symbol_str(struct gstr *r, struct symbol *sym,
+ struct list_head *head)
{
bool hit;
struct property *prop;
@@ -612,7 +614,7 @@
str_append(r, "\n\n");
}
-struct gstr get_relations_str(struct symbol **sym_arr, struct jk_head *head)
+struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head)
{
struct symbol *sym;
struct gstr res = str_new();
diff --git a/scripts/sign-file b/scripts/sign-file
index 87ca59d..974a20b 100755
--- a/scripts/sign-file
+++ b/scripts/sign-file
@@ -156,12 +156,12 @@
if ($l == 0x1) {
$len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1));
- } elsif ($l = 0x2) {
+ } elsif ($l == 0x2) {
$len = unpack("n", substr(${$cursor->[2]}, $cursor->[0], 2));
- } elsif ($l = 0x3) {
+ } elsif ($l == 0x3) {
$len = unpack("C", substr(${$cursor->[2]}, $cursor->[0], 1)) << 16;
$len = unpack("n", substr(${$cursor->[2]}, $cursor->[0] + 1, 2));
- } elsif ($l = 0x4) {
+ } elsif ($l == 0x4) {
$len = unpack("N", substr(${$cursor->[2]}, $cursor->[0], 4));
} else {
die $x509, ": ", $cursor->[0], ": ASN.1 element too long (", $l, ")\n";
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index 842c254..b08d20c 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -164,8 +164,8 @@
struct dev_exception_item *ex, *tmp;
list_for_each_entry_safe(ex, tmp, &dev_cgroup->exceptions, list) {
- list_del(&ex->list);
- kfree(ex);
+ list_del_rcu(&ex->list);
+ kfree_rcu(ex, rcu);
}
}
@@ -298,7 +298,7 @@
struct dev_exception_item *ex;
bool match = false;
- list_for_each_entry(ex, &dev_cgroup->exceptions, list) {
+ list_for_each_entry_rcu(ex, &dev_cgroup->exceptions, list) {
if ((refex->type & DEV_BLOCK) && !(ex->type & DEV_BLOCK))
continue;
if ((refex->type & DEV_CHAR) && !(ex->type & DEV_CHAR))
@@ -352,6 +352,8 @@
*/
static inline int may_allow_all(struct dev_cgroup *parent)
{
+ if (!parent)
+ return 1;
return parent->behavior == DEVCG_DEFAULT_ALLOW;
}
@@ -376,11 +378,14 @@
int count, rc;
struct dev_exception_item ex;
struct cgroup *p = devcgroup->css.cgroup;
- struct dev_cgroup *parent = cgroup_to_devcgroup(p->parent);
+ struct dev_cgroup *parent = NULL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ if (p->parent)
+ parent = cgroup_to_devcgroup(p->parent);
+
memset(&ex, 0, sizeof(ex));
b = buffer;
@@ -391,11 +396,14 @@
if (!may_allow_all(parent))
return -EPERM;
dev_exception_clean(devcgroup);
+ devcgroup->behavior = DEVCG_DEFAULT_ALLOW;
+ if (!parent)
+ break;
+
rc = dev_exceptions_copy(&devcgroup->exceptions,
&parent->exceptions);
if (rc)
return rc;
- devcgroup->behavior = DEVCG_DEFAULT_ALLOW;
break;
case DEVCG_DENY:
dev_exception_clean(devcgroup);
diff --git a/security/selinux/netnode.c b/security/selinux/netnode.c
index 28f911c..c5454c0 100644
--- a/security/selinux/netnode.c
+++ b/security/selinux/netnode.c
@@ -174,7 +174,8 @@
if (sel_netnode_hash[idx].size == SEL_NETNODE_HASH_BKT_LIMIT) {
struct sel_netnode *tail;
tail = list_entry(
- rcu_dereference(sel_netnode_hash[idx].list.prev),
+ rcu_dereference_protected(sel_netnode_hash[idx].list.prev,
+ lockdep_is_held(&sel_netnode_lock)),
struct sel_netnode, list);
list_del_rcu(&tail->list);
kfree_rcu(tail, rcu);
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index 50169bc..7266020 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -2581,9 +2581,14 @@
struct es1968 *chip = tea->private_data;
unsigned long io = chip->io_port + GPIO_DATA;
u16 val = inw(io);
+ u8 ret;
- return (val & STR_DATA) ? TEA575X_DATA : 0 |
- (val & STR_MOST) ? TEA575X_MOST : 0;
+ ret = 0;
+ if (val & STR_DATA)
+ ret |= TEA575X_DATA;
+ if (val & STR_MOST)
+ ret |= TEA575X_MOST;
+ return ret;
}
static void snd_es1968_tea575x_set_direction(struct snd_tea575x *tea, bool output)
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index cc2e91d..c5806f8 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -767,9 +767,14 @@
struct fm801 *chip = tea->private_data;
unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
+ u8 ret;
- return (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
- (reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
+ ret = 0;
+ if (reg & FM801_GPIO_GP(gpio.data))
+ ret |= TEA575X_DATA;
+ if (reg & FM801_GPIO_GP(gpio.most))
+ ret |= TEA575X_MOST;
+ return ret;
}
static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 70d4848..d010de1 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -95,6 +95,7 @@
EXPORT_SYMBOL_HDA(snd_hda_delete_codec_preset);
#ifdef CONFIG_PM
+#define codec_in_pm(codec) ((codec)->in_pm)
static void hda_power_work(struct work_struct *work);
static void hda_keep_power_on(struct hda_codec *codec);
#define hda_codec_is_power_on(codec) ((codec)->power_on)
@@ -104,6 +105,7 @@
bus->ops.pm_notify(bus, power_up);
}
#else
+#define codec_in_pm(codec) 0
static inline void hda_keep_power_on(struct hda_codec *codec) {}
#define hda_codec_is_power_on(codec) 1
#define hda_call_pm_notify(bus, state) {}
@@ -228,7 +230,7 @@
}
mutex_unlock(&bus->cmd_mutex);
snd_hda_power_down(codec);
- if (res && *res == -1 && bus->rirb_error) {
+ if (!codec_in_pm(codec) && res && *res == -1 && bus->rirb_error) {
if (bus->response_reset) {
snd_printd("hda_codec: resetting BUS due to "
"fatal communication error\n");
@@ -238,7 +240,7 @@
goto again;
}
/* clear reset-flag when the communication gets recovered */
- if (!err)
+ if (!err || codec_in_pm(codec))
bus->response_reset = 0;
return err;
}
@@ -3616,6 +3618,8 @@
{
unsigned int state;
+ codec->in_pm = 1;
+
if (codec->patch_ops.suspend)
codec->patch_ops.suspend(codec);
hda_cleanup_all_streams(codec);
@@ -3630,6 +3634,7 @@
codec->power_transition = 0;
codec->power_jiffies = jiffies;
spin_unlock(&codec->power_lock);
+ codec->in_pm = 0;
return state;
}
@@ -3638,6 +3643,8 @@
*/
static void hda_call_codec_resume(struct hda_codec *codec)
{
+ codec->in_pm = 1;
+
/* set as if powered on for avoiding re-entering the resume
* in the resume / power-save sequence
*/
@@ -3656,6 +3663,8 @@
snd_hda_codec_resume_cache(codec);
}
snd_hda_jack_report_sync(codec);
+
+ codec->in_pm = 0;
snd_hda_power_down(codec); /* flag down before returning */
}
#endif /* CONFIG_PM */
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 507fe8a..4f4e545 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -869,6 +869,7 @@
unsigned int power_on :1; /* current (global) power-state */
unsigned int d3_stop_clk:1; /* support D3 operation without BCLK */
unsigned int pm_down_notified:1; /* PM notified to controller */
+ unsigned int in_pm:1; /* suspend/resume being performed */
int power_transition; /* power-state in transition */
int power_count; /* current (global) power refcount */
struct delayed_work power_work; /* delayed task for powerdown */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cd2dbaf..f9d870e 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -556,6 +556,12 @@
#define AZX_DCAPS_ALIGN_BUFSIZE (1 << 22) /* buffer size alignment */
#define AZX_DCAPS_4K_BDLE_BOUNDARY (1 << 23) /* BDLE in 4k boundary */
#define AZX_DCAPS_COUNT_LPIB_DELAY (1 << 25) /* Take LPIB as delay */
+#define AZX_DCAPS_PM_RUNTIME (1 << 26) /* runtime PM support */
+
+/* quirks for Intel PCH */
+#define AZX_DCAPS_INTEL_PCH \
+ (AZX_DCAPS_SCH_SNOOP | AZX_DCAPS_BUFSIZE | \
+ AZX_DCAPS_COUNT_LPIB_DELAY | AZX_DCAPS_PM_RUNTIME)
/* quirks for ATI SB / AMD Hudson */
#define AZX_DCAPS_PRESET_ATI_SB \
@@ -2433,6 +2439,9 @@
{
struct azx *chip = bus->private_data;
+ if (!(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
+ return;
+
if (power_up)
pm_runtime_get_sync(&chip->pci->dev);
else
@@ -2548,7 +2557,8 @@
struct snd_card *card = dev_get_drvdata(dev);
struct azx *chip = card->private_data;
- if (!power_save_controller)
+ if (!power_save_controller ||
+ !(chip->driver_caps & AZX_DCAPS_PM_RUNTIME))
return -EAGAIN;
azx_stop_chip(chip);
@@ -3429,39 +3439,30 @@
static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
/* CPT */
{ PCI_DEVICE(0x8086, 0x1c20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* PBG */
{ PCI_DEVICE(0x8086, 0x1d20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE},
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Panther Point */
{ PCI_DEVICE(0x8086, 0x1e20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Lynx Point */
{ PCI_DEVICE(0x8086, 0x8c20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Lynx Point-LP */
{ PCI_DEVICE(0x8086, 0x9c20),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Lynx Point-LP */
{ PCI_DEVICE(0x8086, 0x9c21),
- .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
/* Haswell */
{ PCI_DEVICE(0x8086, 0x0c0c),
- .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
{ PCI_DEVICE(0x8086, 0x0d0c),
- .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
/* 5 Series/3400 */
{ PCI_DEVICE(0x8086, 0x3b56),
- .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
- AZX_DCAPS_BUFSIZE | AZX_DCAPS_COUNT_LPIB_DELAY },
+ .driver_data = AZX_DRIVER_SCH | AZX_DCAPS_INTEL_PCH },
/* SCH */
{ PCI_DEVICE(0x8086, 0x811b),
.driver_data = AZX_DRIVER_SCH | AZX_DCAPS_SCH_SNOOP |
diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c
index d5f3a26..3bcb671 100644
--- a/sound/pci/hda/patch_cirrus.c
+++ b/sound/pci/hda/patch_cirrus.c
@@ -466,6 +466,7 @@
memcpy(cfg->speaker_pins, cfg->line_out_pins,
sizeof(cfg->speaker_pins));
cfg->line_outs = 0;
+ memset(cfg->line_out_pins, 0, sizeof(cfg->line_out_pins));
}
return 0;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c0ce3b1..ad68d22 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5407,6 +5407,7 @@
SND_PCI_QUIRK(0x106b, 0x4000, "MacbookPro 5,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4100, "Macmini 3,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 5,1", ALC885_FIXUP_MACPRO_GPIO),
+ SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_IMAC91_VREF),
@@ -7064,6 +7065,7 @@
{ .id = 0x10ec0282, .name = "ALC282", .patch = patch_alc269 },
{ .id = 0x10ec0283, .name = "ALC283", .patch = patch_alc269 },
{ .id = 0x10ec0290, .name = "ALC290", .patch = patch_alc269 },
+ { .id = 0x10ec0292, .name = "ALC292", .patch = patch_alc269 },
{ .id = 0x10ec0861, .rev = 0x100340, .name = "ALC660",
.patch = patch_alc861 },
{ .id = 0x10ec0660, .name = "ALC660-VD", .patch = patch_alc861vd },
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index c03b65a..054967d 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -268,7 +268,7 @@
static unsigned int arizona_sysclk_48k_rates[] = {
6144000,
12288000,
- 22579200,
+ 24576000,
49152000,
73728000,
98304000,
@@ -278,7 +278,7 @@
static unsigned int arizona_sysclk_44k1_rates[] = {
5644800,
11289600,
- 24576000,
+ 22579200,
45158400,
67737600,
90316800,
diff --git a/sound/soc/codecs/cs4271.c b/sound/soc/codecs/cs4271.c
index f994af3..e3f0a7f 100644
--- a/sound/soc/codecs/cs4271.c
+++ b/sound/soc/codecs/cs4271.c
@@ -485,7 +485,7 @@
gpio_nreset = cs4271plat->gpio_nreset;
if (gpio_nreset >= 0)
- if (gpio_request(gpio_nreset, "CS4271 Reset"))
+ if (devm_gpio_request(codec->dev, gpio_nreset, "CS4271 Reset"))
gpio_nreset = -EINVAL;
if (gpio_nreset >= 0) {
/* Reset codec */
@@ -535,15 +535,10 @@
static int cs4271_remove(struct snd_soc_codec *codec)
{
struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
- int gpio_nreset;
- gpio_nreset = cs4271->gpio_nreset;
-
- if (gpio_is_valid(gpio_nreset)) {
+ if (gpio_is_valid(cs4271->gpio_nreset))
/* Set codec to the reset state */
- gpio_set_value(gpio_nreset, 0);
- gpio_free(gpio_nreset);
- }
+ gpio_set_value(cs4271->gpio_nreset, 0);
return 0;
};
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 4d8db36..97a8105 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -773,7 +773,6 @@
{
struct snd_soc_codec *codec = codec_dai->codec;
struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;
u8 iface = 0;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -822,7 +821,7 @@
case SND_SOC_DAIFMT_NB_IF:
break;
default:
- ret = -EINVAL;
+ return -EINVAL;
}
cs42l52->config.format = iface;
snd_soc_write(codec, CS42L52_IFACE_CTL1, cs42l52->config.format);
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index 1722b58..7394e73 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -42,6 +42,556 @@
static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0);
static DECLARE_TLV_DB_SCALE(noise_tlv, 0, 600, 0);
+static const struct reg_default wm5102_sysclk_reva_patch[] = {
+ { 0x3000, 0x2225 },
+ { 0x3001, 0x3a03 },
+ { 0x3002, 0x0225 },
+ { 0x3003, 0x0801 },
+ { 0x3004, 0x6249 },
+ { 0x3005, 0x0c04 },
+ { 0x3006, 0x0225 },
+ { 0x3007, 0x5901 },
+ { 0x3008, 0xe249 },
+ { 0x3009, 0x030d },
+ { 0x300a, 0x0249 },
+ { 0x300b, 0x2c01 },
+ { 0x300c, 0xe249 },
+ { 0x300d, 0x4342 },
+ { 0x300e, 0xe249 },
+ { 0x300f, 0x73c0 },
+ { 0x3010, 0x4249 },
+ { 0x3011, 0x0c00 },
+ { 0x3012, 0x0225 },
+ { 0x3013, 0x1f01 },
+ { 0x3014, 0x0225 },
+ { 0x3015, 0x1e01 },
+ { 0x3016, 0x0225 },
+ { 0x3017, 0xfa00 },
+ { 0x3018, 0x0000 },
+ { 0x3019, 0xf000 },
+ { 0x301a, 0x0000 },
+ { 0x301b, 0xf000 },
+ { 0x301c, 0x0000 },
+ { 0x301d, 0xf000 },
+ { 0x301e, 0x0000 },
+ { 0x301f, 0xf000 },
+ { 0x3020, 0x0000 },
+ { 0x3021, 0xf000 },
+ { 0x3022, 0x0000 },
+ { 0x3023, 0xf000 },
+ { 0x3024, 0x0000 },
+ { 0x3025, 0xf000 },
+ { 0x3026, 0x0000 },
+ { 0x3027, 0xf000 },
+ { 0x3028, 0x0000 },
+ { 0x3029, 0xf000 },
+ { 0x302a, 0x0000 },
+ { 0x302b, 0xf000 },
+ { 0x302c, 0x0000 },
+ { 0x302d, 0xf000 },
+ { 0x302e, 0x0000 },
+ { 0x302f, 0xf000 },
+ { 0x3030, 0x0225 },
+ { 0x3031, 0x1a01 },
+ { 0x3032, 0x0225 },
+ { 0x3033, 0x1e00 },
+ { 0x3034, 0x0225 },
+ { 0x3035, 0x1f00 },
+ { 0x3036, 0x6225 },
+ { 0x3037, 0xf800 },
+ { 0x3038, 0x0000 },
+ { 0x3039, 0xf000 },
+ { 0x303a, 0x0000 },
+ { 0x303b, 0xf000 },
+ { 0x303c, 0x0000 },
+ { 0x303d, 0xf000 },
+ { 0x303e, 0x0000 },
+ { 0x303f, 0xf000 },
+ { 0x3040, 0x2226 },
+ { 0x3041, 0x3a03 },
+ { 0x3042, 0x0226 },
+ { 0x3043, 0x0801 },
+ { 0x3044, 0x6249 },
+ { 0x3045, 0x0c06 },
+ { 0x3046, 0x0226 },
+ { 0x3047, 0x5901 },
+ { 0x3048, 0xe249 },
+ { 0x3049, 0x030d },
+ { 0x304a, 0x0249 },
+ { 0x304b, 0x2c01 },
+ { 0x304c, 0xe249 },
+ { 0x304d, 0x4342 },
+ { 0x304e, 0xe249 },
+ { 0x304f, 0x73c0 },
+ { 0x3050, 0x4249 },
+ { 0x3051, 0x0c00 },
+ { 0x3052, 0x0226 },
+ { 0x3053, 0x1f01 },
+ { 0x3054, 0x0226 },
+ { 0x3055, 0x1e01 },
+ { 0x3056, 0x0226 },
+ { 0x3057, 0xfa00 },
+ { 0x3058, 0x0000 },
+ { 0x3059, 0xf000 },
+ { 0x305a, 0x0000 },
+ { 0x305b, 0xf000 },
+ { 0x305c, 0x0000 },
+ { 0x305d, 0xf000 },
+ { 0x305e, 0x0000 },
+ { 0x305f, 0xf000 },
+ { 0x3060, 0x0000 },
+ { 0x3061, 0xf000 },
+ { 0x3062, 0x0000 },
+ { 0x3063, 0xf000 },
+ { 0x3064, 0x0000 },
+ { 0x3065, 0xf000 },
+ { 0x3066, 0x0000 },
+ { 0x3067, 0xf000 },
+ { 0x3068, 0x0000 },
+ { 0x3069, 0xf000 },
+ { 0x306a, 0x0000 },
+ { 0x306b, 0xf000 },
+ { 0x306c, 0x0000 },
+ { 0x306d, 0xf000 },
+ { 0x306e, 0x0000 },
+ { 0x306f, 0xf000 },
+ { 0x3070, 0x0226 },
+ { 0x3071, 0x1a01 },
+ { 0x3072, 0x0226 },
+ { 0x3073, 0x1e00 },
+ { 0x3074, 0x0226 },
+ { 0x3075, 0x1f00 },
+ { 0x3076, 0x6226 },
+ { 0x3077, 0xf800 },
+ { 0x3078, 0x0000 },
+ { 0x3079, 0xf000 },
+ { 0x307a, 0x0000 },
+ { 0x307b, 0xf000 },
+ { 0x307c, 0x0000 },
+ { 0x307d, 0xf000 },
+ { 0x307e, 0x0000 },
+ { 0x307f, 0xf000 },
+ { 0x3080, 0x2227 },
+ { 0x3081, 0x3a03 },
+ { 0x3082, 0x0227 },
+ { 0x3083, 0x0801 },
+ { 0x3084, 0x6255 },
+ { 0x3085, 0x0c04 },
+ { 0x3086, 0x0227 },
+ { 0x3087, 0x5901 },
+ { 0x3088, 0xe255 },
+ { 0x3089, 0x030d },
+ { 0x308a, 0x0255 },
+ { 0x308b, 0x2c01 },
+ { 0x308c, 0xe255 },
+ { 0x308d, 0x4342 },
+ { 0x308e, 0xe255 },
+ { 0x308f, 0x73c0 },
+ { 0x3090, 0x4255 },
+ { 0x3091, 0x0c00 },
+ { 0x3092, 0x0227 },
+ { 0x3093, 0x1f01 },
+ { 0x3094, 0x0227 },
+ { 0x3095, 0x1e01 },
+ { 0x3096, 0x0227 },
+ { 0x3097, 0xfa00 },
+ { 0x3098, 0x0000 },
+ { 0x3099, 0xf000 },
+ { 0x309a, 0x0000 },
+ { 0x309b, 0xf000 },
+ { 0x309c, 0x0000 },
+ { 0x309d, 0xf000 },
+ { 0x309e, 0x0000 },
+ { 0x309f, 0xf000 },
+ { 0x30a0, 0x0000 },
+ { 0x30a1, 0xf000 },
+ { 0x30a2, 0x0000 },
+ { 0x30a3, 0xf000 },
+ { 0x30a4, 0x0000 },
+ { 0x30a5, 0xf000 },
+ { 0x30a6, 0x0000 },
+ { 0x30a7, 0xf000 },
+ { 0x30a8, 0x0000 },
+ { 0x30a9, 0xf000 },
+ { 0x30aa, 0x0000 },
+ { 0x30ab, 0xf000 },
+ { 0x30ac, 0x0000 },
+ { 0x30ad, 0xf000 },
+ { 0x30ae, 0x0000 },
+ { 0x30af, 0xf000 },
+ { 0x30b0, 0x0227 },
+ { 0x30b1, 0x1a01 },
+ { 0x30b2, 0x0227 },
+ { 0x30b3, 0x1e00 },
+ { 0x30b4, 0x0227 },
+ { 0x30b5, 0x1f00 },
+ { 0x30b6, 0x6227 },
+ { 0x30b7, 0xf800 },
+ { 0x30b8, 0x0000 },
+ { 0x30b9, 0xf000 },
+ { 0x30ba, 0x0000 },
+ { 0x30bb, 0xf000 },
+ { 0x30bc, 0x0000 },
+ { 0x30bd, 0xf000 },
+ { 0x30be, 0x0000 },
+ { 0x30bf, 0xf000 },
+ { 0x30c0, 0x2228 },
+ { 0x30c1, 0x3a03 },
+ { 0x30c2, 0x0228 },
+ { 0x30c3, 0x0801 },
+ { 0x30c4, 0x6255 },
+ { 0x30c5, 0x0c06 },
+ { 0x30c6, 0x0228 },
+ { 0x30c7, 0x5901 },
+ { 0x30c8, 0xe255 },
+ { 0x30c9, 0x030d },
+ { 0x30ca, 0x0255 },
+ { 0x30cb, 0x2c01 },
+ { 0x30cc, 0xe255 },
+ { 0x30cd, 0x4342 },
+ { 0x30ce, 0xe255 },
+ { 0x30cf, 0x73c0 },
+ { 0x30d0, 0x4255 },
+ { 0x30d1, 0x0c00 },
+ { 0x30d2, 0x0228 },
+ { 0x30d3, 0x1f01 },
+ { 0x30d4, 0x0228 },
+ { 0x30d5, 0x1e01 },
+ { 0x30d6, 0x0228 },
+ { 0x30d7, 0xfa00 },
+ { 0x30d8, 0x0000 },
+ { 0x30d9, 0xf000 },
+ { 0x30da, 0x0000 },
+ { 0x30db, 0xf000 },
+ { 0x30dc, 0x0000 },
+ { 0x30dd, 0xf000 },
+ { 0x30de, 0x0000 },
+ { 0x30df, 0xf000 },
+ { 0x30e0, 0x0000 },
+ { 0x30e1, 0xf000 },
+ { 0x30e2, 0x0000 },
+ { 0x30e3, 0xf000 },
+ { 0x30e4, 0x0000 },
+ { 0x30e5, 0xf000 },
+ { 0x30e6, 0x0000 },
+ { 0x30e7, 0xf000 },
+ { 0x30e8, 0x0000 },
+ { 0x30e9, 0xf000 },
+ { 0x30ea, 0x0000 },
+ { 0x30eb, 0xf000 },
+ { 0x30ec, 0x0000 },
+ { 0x30ed, 0xf000 },
+ { 0x30ee, 0x0000 },
+ { 0x30ef, 0xf000 },
+ { 0x30f0, 0x0228 },
+ { 0x30f1, 0x1a01 },
+ { 0x30f2, 0x0228 },
+ { 0x30f3, 0x1e00 },
+ { 0x30f4, 0x0228 },
+ { 0x30f5, 0x1f00 },
+ { 0x30f6, 0x6228 },
+ { 0x30f7, 0xf800 },
+ { 0x30f8, 0x0000 },
+ { 0x30f9, 0xf000 },
+ { 0x30fa, 0x0000 },
+ { 0x30fb, 0xf000 },
+ { 0x30fc, 0x0000 },
+ { 0x30fd, 0xf000 },
+ { 0x30fe, 0x0000 },
+ { 0x30ff, 0xf000 },
+ { 0x3100, 0x222b },
+ { 0x3101, 0x3a03 },
+ { 0x3102, 0x222b },
+ { 0x3103, 0x5803 },
+ { 0x3104, 0xe26f },
+ { 0x3105, 0x030d },
+ { 0x3106, 0x626f },
+ { 0x3107, 0x2c01 },
+ { 0x3108, 0xe26f },
+ { 0x3109, 0x4342 },
+ { 0x310a, 0xe26f },
+ { 0x310b, 0x73c0 },
+ { 0x310c, 0x026f },
+ { 0x310d, 0x0c00 },
+ { 0x310e, 0x022b },
+ { 0x310f, 0x1f01 },
+ { 0x3110, 0x022b },
+ { 0x3111, 0x1e01 },
+ { 0x3112, 0x022b },
+ { 0x3113, 0xfa00 },
+ { 0x3114, 0x0000 },
+ { 0x3115, 0xf000 },
+ { 0x3116, 0x0000 },
+ { 0x3117, 0xf000 },
+ { 0x3118, 0x0000 },
+ { 0x3119, 0xf000 },
+ { 0x311a, 0x0000 },
+ { 0x311b, 0xf000 },
+ { 0x311c, 0x0000 },
+ { 0x311d, 0xf000 },
+ { 0x311e, 0x0000 },
+ { 0x311f, 0xf000 },
+ { 0x3120, 0x022b },
+ { 0x3121, 0x0a01 },
+ { 0x3122, 0x022b },
+ { 0x3123, 0x1e00 },
+ { 0x3124, 0x022b },
+ { 0x3125, 0x1f00 },
+ { 0x3126, 0x622b },
+ { 0x3127, 0xf800 },
+ { 0x3128, 0x0000 },
+ { 0x3129, 0xf000 },
+ { 0x312a, 0x0000 },
+ { 0x312b, 0xf000 },
+ { 0x312c, 0x0000 },
+ { 0x312d, 0xf000 },
+ { 0x312e, 0x0000 },
+ { 0x312f, 0xf000 },
+ { 0x3130, 0x0000 },
+ { 0x3131, 0xf000 },
+ { 0x3132, 0x0000 },
+ { 0x3133, 0xf000 },
+ { 0x3134, 0x0000 },
+ { 0x3135, 0xf000 },
+ { 0x3136, 0x0000 },
+ { 0x3137, 0xf000 },
+ { 0x3138, 0x0000 },
+ { 0x3139, 0xf000 },
+ { 0x313a, 0x0000 },
+ { 0x313b, 0xf000 },
+ { 0x313c, 0x0000 },
+ { 0x313d, 0xf000 },
+ { 0x313e, 0x0000 },
+ { 0x313f, 0xf000 },
+ { 0x3140, 0x0000 },
+ { 0x3141, 0xf000 },
+ { 0x3142, 0x0000 },
+ { 0x3143, 0xf000 },
+ { 0x3144, 0x0000 },
+ { 0x3145, 0xf000 },
+ { 0x3146, 0x0000 },
+ { 0x3147, 0xf000 },
+ { 0x3148, 0x0000 },
+ { 0x3149, 0xf000 },
+ { 0x314a, 0x0000 },
+ { 0x314b, 0xf000 },
+ { 0x314c, 0x0000 },
+ { 0x314d, 0xf000 },
+ { 0x314e, 0x0000 },
+ { 0x314f, 0xf000 },
+ { 0x3150, 0x0000 },
+ { 0x3151, 0xf000 },
+ { 0x3152, 0x0000 },
+ { 0x3153, 0xf000 },
+ { 0x3154, 0x0000 },
+ { 0x3155, 0xf000 },
+ { 0x3156, 0x0000 },
+ { 0x3157, 0xf000 },
+ { 0x3158, 0x0000 },
+ { 0x3159, 0xf000 },
+ { 0x315a, 0x0000 },
+ { 0x315b, 0xf000 },
+ { 0x315c, 0x0000 },
+ { 0x315d, 0xf000 },
+ { 0x315e, 0x0000 },
+ { 0x315f, 0xf000 },
+ { 0x3160, 0x0000 },
+ { 0x3161, 0xf000 },
+ { 0x3162, 0x0000 },
+ { 0x3163, 0xf000 },
+ { 0x3164, 0x0000 },
+ { 0x3165, 0xf000 },
+ { 0x3166, 0x0000 },
+ { 0x3167, 0xf000 },
+ { 0x3168, 0x0000 },
+ { 0x3169, 0xf000 },
+ { 0x316a, 0x0000 },
+ { 0x316b, 0xf000 },
+ { 0x316c, 0x0000 },
+ { 0x316d, 0xf000 },
+ { 0x316e, 0x0000 },
+ { 0x316f, 0xf000 },
+ { 0x3170, 0x0000 },
+ { 0x3171, 0xf000 },
+ { 0x3172, 0x0000 },
+ { 0x3173, 0xf000 },
+ { 0x3174, 0x0000 },
+ { 0x3175, 0xf000 },
+ { 0x3176, 0x0000 },
+ { 0x3177, 0xf000 },
+ { 0x3178, 0x0000 },
+ { 0x3179, 0xf000 },
+ { 0x317a, 0x0000 },
+ { 0x317b, 0xf000 },
+ { 0x317c, 0x0000 },
+ { 0x317d, 0xf000 },
+ { 0x317e, 0x0000 },
+ { 0x317f, 0xf000 },
+ { 0x3180, 0x2001 },
+ { 0x3181, 0xf101 },
+ { 0x3182, 0x0000 },
+ { 0x3183, 0xf000 },
+ { 0x3184, 0x0000 },
+ { 0x3185, 0xf000 },
+ { 0x3186, 0x0000 },
+ { 0x3187, 0xf000 },
+ { 0x3188, 0x0000 },
+ { 0x3189, 0xf000 },
+ { 0x318a, 0x0000 },
+ { 0x318b, 0xf000 },
+ { 0x318c, 0x0000 },
+ { 0x318d, 0xf000 },
+ { 0x318e, 0x0000 },
+ { 0x318f, 0xf000 },
+ { 0x3190, 0x0000 },
+ { 0x3191, 0xf000 },
+ { 0x3192, 0x0000 },
+ { 0x3193, 0xf000 },
+ { 0x3194, 0x0000 },
+ { 0x3195, 0xf000 },
+ { 0x3196, 0x0000 },
+ { 0x3197, 0xf000 },
+ { 0x3198, 0x0000 },
+ { 0x3199, 0xf000 },
+ { 0x319a, 0x0000 },
+ { 0x319b, 0xf000 },
+ { 0x319c, 0x0000 },
+ { 0x319d, 0xf000 },
+ { 0x319e, 0x0000 },
+ { 0x319f, 0xf000 },
+ { 0x31a0, 0x0000 },
+ { 0x31a1, 0xf000 },
+ { 0x31a2, 0x0000 },
+ { 0x31a3, 0xf000 },
+ { 0x31a4, 0x0000 },
+ { 0x31a5, 0xf000 },
+ { 0x31a6, 0x0000 },
+ { 0x31a7, 0xf000 },
+ { 0x31a8, 0x0000 },
+ { 0x31a9, 0xf000 },
+ { 0x31aa, 0x0000 },
+ { 0x31ab, 0xf000 },
+ { 0x31ac, 0x0000 },
+ { 0x31ad, 0xf000 },
+ { 0x31ae, 0x0000 },
+ { 0x31af, 0xf000 },
+ { 0x31b0, 0x0000 },
+ { 0x31b1, 0xf000 },
+ { 0x31b2, 0x0000 },
+ { 0x31b3, 0xf000 },
+ { 0x31b4, 0x0000 },
+ { 0x31b5, 0xf000 },
+ { 0x31b6, 0x0000 },
+ { 0x31b7, 0xf000 },
+ { 0x31b8, 0x0000 },
+ { 0x31b9, 0xf000 },
+ { 0x31ba, 0x0000 },
+ { 0x31bb, 0xf000 },
+ { 0x31bc, 0x0000 },
+ { 0x31bd, 0xf000 },
+ { 0x31be, 0x0000 },
+ { 0x31bf, 0xf000 },
+ { 0x31c0, 0x0000 },
+ { 0x31c1, 0xf000 },
+ { 0x31c2, 0x0000 },
+ { 0x31c3, 0xf000 },
+ { 0x31c4, 0x0000 },
+ { 0x31c5, 0xf000 },
+ { 0x31c6, 0x0000 },
+ { 0x31c7, 0xf000 },
+ { 0x31c8, 0x0000 },
+ { 0x31c9, 0xf000 },
+ { 0x31ca, 0x0000 },
+ { 0x31cb, 0xf000 },
+ { 0x31cc, 0x0000 },
+ { 0x31cd, 0xf000 },
+ { 0x31ce, 0x0000 },
+ { 0x31cf, 0xf000 },
+ { 0x31d0, 0x0000 },
+ { 0x31d1, 0xf000 },
+ { 0x31d2, 0x0000 },
+ { 0x31d3, 0xf000 },
+ { 0x31d4, 0x0000 },
+ { 0x31d5, 0xf000 },
+ { 0x31d6, 0x0000 },
+ { 0x31d7, 0xf000 },
+ { 0x31d8, 0x0000 },
+ { 0x31d9, 0xf000 },
+ { 0x31da, 0x0000 },
+ { 0x31db, 0xf000 },
+ { 0x31dc, 0x0000 },
+ { 0x31dd, 0xf000 },
+ { 0x31de, 0x0000 },
+ { 0x31df, 0xf000 },
+ { 0x31e0, 0x0000 },
+ { 0x31e1, 0xf000 },
+ { 0x31e2, 0x0000 },
+ { 0x31e3, 0xf000 },
+ { 0x31e4, 0x0000 },
+ { 0x31e5, 0xf000 },
+ { 0x31e6, 0x0000 },
+ { 0x31e7, 0xf000 },
+ { 0x31e8, 0x0000 },
+ { 0x31e9, 0xf000 },
+ { 0x31ea, 0x0000 },
+ { 0x31eb, 0xf000 },
+ { 0x31ec, 0x0000 },
+ { 0x31ed, 0xf000 },
+ { 0x31ee, 0x0000 },
+ { 0x31ef, 0xf000 },
+ { 0x31f0, 0x0000 },
+ { 0x31f1, 0xf000 },
+ { 0x31f2, 0x0000 },
+ { 0x31f3, 0xf000 },
+ { 0x31f4, 0x0000 },
+ { 0x31f5, 0xf000 },
+ { 0x31f6, 0x0000 },
+ { 0x31f7, 0xf000 },
+ { 0x31f8, 0x0000 },
+ { 0x31f9, 0xf000 },
+ { 0x31fa, 0x0000 },
+ { 0x31fb, 0xf000 },
+ { 0x31fc, 0x0000 },
+ { 0x31fd, 0xf000 },
+ { 0x31fe, 0x0000 },
+ { 0x31ff, 0xf000 },
+ { 0x024d, 0xff50 },
+ { 0x0252, 0xff50 },
+ { 0x0259, 0x0112 },
+ { 0x025e, 0x0112 },
+};
+
+static int wm5102_sysclk_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct arizona *arizona = dev_get_drvdata(codec->dev);
+ struct regmap *regmap = codec->control_data;
+ const struct reg_default *patch = NULL;
+ int i, patch_size;
+
+ switch (arizona->rev) {
+ case 0:
+ patch = wm5102_sysclk_reva_patch;
+ patch_size = ARRAY_SIZE(wm5102_sysclk_reva_patch);
+ break;
+ }
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ if (patch)
+ for (i = 0; i < patch_size; i++)
+ regmap_write(regmap, patch[i].reg,
+ patch[i].def);
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
static const struct snd_kcontrol_new wm5102_snd_controls[] = {
SOC_SINGLE("IN1 High Performance Switch", ARIZONA_IN1L_CONTROL,
ARIZONA_IN1_OSR_SHIFT, 1, 0),
@@ -297,7 +847,7 @@
static const struct snd_soc_dapm_widget wm5102_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, ARIZONA_SYSCLK_ENA_SHIFT,
- 0, NULL, 0),
+ 0, wm5102_sysclk_ev, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1,
ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK,
diff --git a/sound/soc/codecs/wm8978.c b/sound/soc/codecs/wm8978.c
index 5421fd9..4c0a8e4 100644
--- a/sound/soc/codecs/wm8978.c
+++ b/sound/soc/codecs/wm8978.c
@@ -782,7 +782,7 @@
wm8978->mclk_idx = -1;
f_sel = wm8978->f_mclk;
} else {
- if (!wm8978->f_pllout) {
+ if (!wm8978->f_opclk) {
/* We only enter here, if OPCLK is not used */
int ret = wm8978_configure_pll(codec);
if (ret < 0)
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index b9f1659..2ba0814 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -71,7 +71,6 @@
printk(KERN_WARNING "%s: got err interrupt 0x%lx\n",
__func__, cause);
writel(cause, priv->io + KIRKWOOD_ERR_CAUSE);
- return IRQ_HANDLED;
}
/* we've enabled only bytes interrupts ... */
@@ -178,7 +177,7 @@
}
dram = mv_mbus_dram_info();
- addr = virt_to_phys(substream->dma_buffer.area);
+ addr = substream->dma_buffer.addr;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
prdata->play_stream = substream;
kirkwood_dma_conf_mbus_windows(priv->io,
diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c
index 542538d..1d5db48 100644
--- a/sound/soc/kirkwood/kirkwood-i2s.c
+++ b/sound/soc/kirkwood/kirkwood-i2s.c
@@ -95,7 +95,7 @@
do {
cpu_relax();
value = readl(io + KIRKWOOD_DCO_SPCR_STATUS);
- value &= KIRKWOOD_DCO_SPCR_STATUS;
+ value &= KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK;
} while (value == 0);
}
@@ -180,67 +180,72 @@
int cmd, struct snd_soc_dai *dai)
{
struct kirkwood_dma_data *priv = snd_soc_dai_get_drvdata(dai);
- unsigned long value;
+ uint32_t ctl, value;
- /*
- * specs says KIRKWOOD_PLAYCTL must be read 2 times before
- * changing it. So read 1 time here and 1 later.
- */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
+ ctl = readl(priv->io + KIRKWOOD_PLAYCTL);
+ if (ctl & KIRKWOOD_PLAYCTL_PAUSE) {
+ unsigned timeout = 5000;
+ /*
+ * The Armada510 spec says that if we enter pause mode, the
+ * busy bit must be read back as clear _twice_. Make sure
+ * we respect that otherwise we get DMA underruns.
+ */
+ do {
+ value = ctl;
+ ctl = readl(priv->io + KIRKWOOD_PLAYCTL);
+ if (!((ctl | value) & KIRKWOOD_PLAYCTL_PLAY_BUSY))
+ break;
+ udelay(1);
+ } while (timeout--);
+
+ if ((ctl | value) & KIRKWOOD_PLAYCTL_PLAY_BUSY)
+ dev_notice(dai->dev, "timed out waiting for busy to deassert: %08x\n",
+ ctl);
+ }
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- /* stop audio, enable interrupts */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value |= KIRKWOOD_PLAYCTL_PAUSE;
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
-
value = readl(priv->io + KIRKWOOD_INT_MASK);
value |= KIRKWOOD_INT_CAUSE_PLAY_BYTES;
writel(value, priv->io + KIRKWOOD_INT_MASK);
/* configure audio & enable i2s playback */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value &= ~KIRKWOOD_PLAYCTL_BURST_MASK;
- value &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE
+ ctl &= ~KIRKWOOD_PLAYCTL_BURST_MASK;
+ ctl &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE
| KIRKWOOD_PLAYCTL_SPDIF_EN);
if (priv->burst == 32)
- value |= KIRKWOOD_PLAYCTL_BURST_32;
+ ctl |= KIRKWOOD_PLAYCTL_BURST_32;
else
- value |= KIRKWOOD_PLAYCTL_BURST_128;
- value |= KIRKWOOD_PLAYCTL_I2S_EN;
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl |= KIRKWOOD_PLAYCTL_BURST_128;
+ ctl |= KIRKWOOD_PLAYCTL_I2S_EN;
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
case SNDRV_PCM_TRIGGER_STOP:
/* stop audio, disable interrupts */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
value = readl(priv->io + KIRKWOOD_INT_MASK);
value &= ~KIRKWOOD_INT_CAUSE_PLAY_BYTES;
writel(value, priv->io + KIRKWOOD_INT_MASK);
/* disable all playbacks */
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value &= ~(KIRKWOOD_PLAYCTL_I2S_EN | KIRKWOOD_PLAYCTL_SPDIF_EN);
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl &= ~(KIRKWOOD_PLAYCTL_I2S_EN | KIRKWOOD_PLAYCTL_SPDIF_EN);
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl |= KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE;
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- value = readl(priv->io + KIRKWOOD_PLAYCTL);
- value &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE);
- writel(value, priv->io + KIRKWOOD_PLAYCTL);
+ ctl &= ~(KIRKWOOD_PLAYCTL_PAUSE | KIRKWOOD_PLAYCTL_I2S_MUTE);
+ writel(ctl, priv->io + KIRKWOOD_PLAYCTL);
break;
default:
@@ -260,11 +265,6 @@
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- /* stop audio, enable interrupts */
- value = readl(priv->io + KIRKWOOD_RECCTL);
- value |= KIRKWOOD_RECCTL_PAUSE;
- writel(value, priv->io + KIRKWOOD_RECCTL);
-
value = readl(priv->io + KIRKWOOD_INT_MASK);
value |= KIRKWOOD_INT_CAUSE_REC_BYTES;
writel(value, priv->io + KIRKWOOD_INT_MASK);
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c
index aa037b2..c294fbb 100644
--- a/sound/soc/mxs/mxs-saif.c
+++ b/sound/soc/mxs/mxs-saif.c
@@ -523,16 +523,24 @@
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/*
- * write a data to saif data register to trigger
- * the transfer
+ * write data to saif data register to trigger
+ * the transfer.
+ * For 24-bit format the 32-bit FIFO register stores
+ * only one channel, so we need to write twice.
+ * This is also safe for the other non 24-bit formats.
*/
__raw_writel(0, saif->base + SAIF_DATA);
+ __raw_writel(0, saif->base + SAIF_DATA);
} else {
/*
- * read a data from saif data register to trigger
- * the receive
+ * read data from saif data register to trigger
+ * the receive.
+ * For 24-bit format the 32-bit FIFO register stores
+ * only one channel, so we need to read twice.
+ * This is also safe for the other non 24-bit formats.
*/
__raw_readl(saif->base + SAIF_DATA);
+ __raw_readl(saif->base + SAIF_DATA);
}
master_saif->ongoing = 1;
@@ -812,3 +820,4 @@
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("MXS ASoC SAIF driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mxs-saif");
diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig
index e7b8317..3c7c3a5 100644
--- a/sound/soc/samsung/Kconfig
+++ b/sound/soc/samsung/Kconfig
@@ -207,6 +207,8 @@
select SND_SOC_WM5102
select SND_SOC_WM5110
select SND_SOC_WM9081
+ select SND_SOC_WM0010
+ select SND_SOC_WM1250_EV1
config SND_SOC_LOWLAND
tristate "Audio support for Wolfson Lowland"
diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c
index b0d46d6..a2ca156 100644
--- a/sound/soc/samsung/bells.c
+++ b/sound/soc/samsung/bells.c
@@ -212,7 +212,7 @@
{
.name = "Sub",
.stream_name = "Sub",
- .cpu_dai_name = "wm5110-aif3",
+ .cpu_dai_name = "wm5102-aif3",
.codec_dai_name = "wm9081-hifi",
.codec_name = "wm9081.1-006c",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index d119862..10d21be 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2786,8 +2786,9 @@
val = (ucontrol->value.integer.value[0] + min) & mask;
val = val << shift;
- if (snd_soc_update_bits_locked(codec, reg, val_mask, val))
- return err;
+ err = snd_soc_update_bits_locked(codec, reg, val_mask, val);
+ if (err < 0)
+ return err;
if (snd_soc_volsw_is_stereo(mc)) {
val_mask = mask << rshift;
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index d0a4be3..6e35bca 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -3745,7 +3745,7 @@
{
struct snd_soc_codec *codec;
- list_for_each_entry(codec, &card->codec_dev_list, list) {
+ list_for_each_entry(codec, &card->codec_dev_list, card_list) {
soc_dapm_shutdown_codec(&codec->dapm);
if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
snd_soc_dapm_set_bias_level(&codec->dapm,
diff --git a/sound/usb/card.c b/sound/usb/card.c
index 282f0fc..dbf7999 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -559,9 +559,11 @@
return;
card = chip->card;
- mutex_lock(®ister_mutex);
down_write(&chip->shutdown_rwsem);
chip->shutdown = 1;
+ up_write(&chip->shutdown_rwsem);
+
+ mutex_lock(®ister_mutex);
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
snd_card_disconnect(card);
@@ -582,11 +584,9 @@
snd_usb_mixer_disconnect(p);
}
usb_chip[chip->index] = NULL;
- up_write(&chip->shutdown_rwsem);
mutex_unlock(®ister_mutex);
snd_card_free_when_closed(card);
} else {
- up_write(&chip->shutdown_rwsem);
mutex_unlock(®ister_mutex);
}
}
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index c83f614..eeefbce 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -148,6 +148,7 @@
struct snd_usb_midi_out_endpoint* ep;
struct snd_rawmidi_substream *substream;
int active;
+ bool autopm_reference;
uint8_t cable; /* cable number << 4 */
uint8_t state;
#define STATE_UNKNOWN 0
@@ -1076,7 +1077,8 @@
return -ENXIO;
}
err = usb_autopm_get_interface(umidi->iface);
- if (err < 0)
+ port->autopm_reference = err >= 0;
+ if (err < 0 && err != -EACCES)
return -EIO;
substream->runtime->private_data = port;
port->state = STATE_UNKNOWN;
@@ -1087,9 +1089,11 @@
static int snd_usbmidi_output_close(struct snd_rawmidi_substream *substream)
{
struct snd_usb_midi* umidi = substream->rmidi->private_data;
+ struct usbmidi_out_port *port = substream->runtime->private_data;
substream_open(substream, 0);
- usb_autopm_put_interface(umidi->iface);
+ if (port->autopm_reference)
+ usb_autopm_put_interface(umidi->iface);
return 0;
}
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index 5c12a3f..ef6fa24 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -459,7 +459,7 @@
return ret;
if (subs->sync_endpoint)
- ret = snd_usb_endpoint_set_params(subs->data_endpoint,
+ ret = snd_usb_endpoint_set_params(subs->sync_endpoint,
subs->pcm_format,
subs->channels,
subs->period_bytes,
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 2655ae9..ea095ab 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -206,8 +206,10 @@
retval = pread(fd, msr, sizeof *msr, offset);
close(fd);
- if (retval != sizeof *msr)
+ if (retval != sizeof *msr) {
+ fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset);
return -1;
+ }
return 0;
}
@@ -1101,7 +1103,9 @@
restart:
retval = for_all_cpus(get_counters, EVEN_COUNTERS);
- if (retval) {
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
re_initialize();
goto restart;
}
@@ -1114,7 +1118,9 @@
}
sleep(interval_sec);
retval = for_all_cpus(get_counters, ODD_COUNTERS);
- if (retval) {
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
re_initialize();
goto restart;
}
@@ -1126,7 +1132,9 @@
flush_stdout();
sleep(interval_sec);
retval = for_all_cpus(get_counters, EVEN_COUNTERS);
- if (retval) {
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
re_initialize();
goto restart;
}
@@ -1545,8 +1553,11 @@
int fork_it(char **argv)
{
pid_t child_pid;
+ int status;
- for_all_cpus(get_counters, EVEN_COUNTERS);
+ status = for_all_cpus(get_counters, EVEN_COUNTERS);
+ if (status)
+ exit(status);
/* clear affinity side-effect of get_counters() */
sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
gettimeofday(&tv_even, (struct timezone *)NULL);
@@ -1556,7 +1567,6 @@
/* child */
execvp(argv[0], argv);
} else {
- int status;
/* parent */
if (child_pid == -1) {
@@ -1568,7 +1578,7 @@
signal(SIGQUIT, SIG_IGN);
if (waitpid(child_pid, &status, 0) == -1) {
perror("wait");
- exit(1);
+ exit(status);
}
}
/*
@@ -1585,7 +1595,7 @@
fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);
- return 0;
+ return status;
}
void cmdline(int argc, char **argv)
@@ -1594,7 +1604,7 @@
progname = argv[0];
- while ((opt = getopt(argc, argv, "+pPSvisc:sC:m:M:")) != -1) {
+ while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:")) != -1) {
switch (opt) {
case 'p':
show_core_only++;