Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
[ALSA] ASoC: Fix wrong enum count for jack_function in N810 machine driver
[ALSA] ASoC: build fix for snd_soc_info_bool_ext
[ALSA] ASoC: Fix TLV320AIC3X mono line output interconnect
[ALSA] soc - fsl_ssi.c fix "BUG: scheduling while atomic"
[ALSA] emux midi synthesizer doesn't honor SOFT_PEDAL-release event
diff --git a/Documentation/cgroups.txt b/Documentation/cgroups.txt
index c298a66..824fc02 100644
--- a/Documentation/cgroups.txt
+++ b/Documentation/cgroups.txt
@@ -310,8 +310,8 @@
cd /dev/cgroup
mkdir Charlie
cd Charlie
- /bin/echo 2-3 > cpus
- /bin/echo 1 > mems
+ /bin/echo 2-3 > cpuset.cpus
+ /bin/echo 1 > cpuset.mems
/bin/echo $$ > tasks
sh
# The subshell 'sh' is now running in cgroup Charlie
diff --git a/Documentation/hwmon/adt7473 b/Documentation/hwmon/adt7473
index 22d8b19..2126de3 100644
--- a/Documentation/hwmon/adt7473
+++ b/Documentation/hwmon/adt7473
@@ -69,7 +69,8 @@
The ADT7473 will scale the pwm between the lower and higher pwm speed when
the temperature is between the two temperature boundaries. PWM values range
-from 0 (off) to 255 (full speed).
+from 0 (off) to 255 (full speed). Fan speed will be set to maximum when the
+temperature sensor associated with the PWM control exceeds temp#_max.
Notes
-----
diff --git a/MAINTAINERS b/MAINTAINERS
index f5583dc..b18242f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -367,12 +367,12 @@
AMD GEODE CS5536 USB DEVICE CONTROLLER DRIVER
P: Thomas Dahlmann
M: thomas.dahlmann@amd.com
-L: info-linux@geode.amd.com (subscribers-only)
+L: linux-geode@lists.infradead.org (moderated for non-subscribers)
S: Supported
AMD GEODE PROCESSOR/CHIPSET SUPPORT
P: Jordan Crouse
-L: info-linux@geode.amd.com (subscribers-only)
+L: linux-geode@lists.infradead.org (moderated for non-subscribers)
W: http://www.amd.com/us-en/ConnectivitySolutions/TechnicalResources/0,,50_2334_2452_11363,00.html
S: Supported
diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
index 07eb4c4..8e84415 100644
--- a/arch/m68knommu/Kconfig
+++ b/arch/m68knommu/Kconfig
@@ -671,6 +671,9 @@
endchoice
+if COLDFIRE
+source "kernel/Kconfig.preempt"
+endif
source "mm/Kconfig"
endmenu
diff --git a/arch/m68knommu/kernel/vmlinux.lds.S b/arch/m68knommu/kernel/vmlinux.lds.S
index 5592e0b..93e69236 100644
--- a/arch/m68knommu/kernel/vmlinux.lds.S
+++ b/arch/m68knommu/kernel/vmlinux.lds.S
@@ -114,6 +114,16 @@
*(__kcrctab_gpl)
__stop___kcrctab_gpl = .;
+ /* Kernel symbol table: Normal unused symbols */
+ __start___kcrctab_unused = .;
+ *(__kcrctab_unused)
+ __stop___kcrctab_unused = .;
+
+ /* Kernel symbol table: GPL-only unused symbols */
+ __start___kcrctab_unused_gpl = .;
+ *(__kcrctab_unused_gpl)
+ __stop___kcrctab_unused_gpl = .;
+
/* Kernel symbol table: GPL-future symbols */
__start___kcrctab_gpl_future = .;
*(__kcrctab_gpl_future)
diff --git a/arch/mn10300/boot/install.sh b/arch/mn10300/boot/install.sh
index 072951c..abba309 100644
--- a/arch/mn10300/boot/install.sh
+++ b/arch/mn10300/boot/install.sh
@@ -26,42 +26,42 @@
install -c -m 0755 $2 $4/vmlinuz
install -c -m 0755 $5 $4/boot.rom
install -c -m 0755 -d $4/../usr/include/linux
-cd $TOPDIR/include/linux
+cd ${srctree}/include/linux
for i in `find . -maxdepth 1 -name '*.h' -print`; do
install -c -m 0644 $i $4/../usr/include/linux
done
install -c -m 0755 -d $4/../usr/include/linux/byteorder
-cd $TOPDIR/include/linux/byteorder
+cd ${srctree}/include/linux/byteorder
for i in `find . -name '*.h' -print`; do
install -c -m 0644 $i $4/../usr/include/linux/byteorder
done
install -c -m 0755 -d $4/../usr/include/linux/lockd
-cd $TOPDIR/include/linux/lockd
+cd ${srctree}/include/linux/lockd
for i in `find . -name '*.h' -print`; do
install -c -m 0644 $i $4/../usr/include/linux/lockd
done
install -c -m 0755 -d $4/../usr/include/linux/netfilter_ipv4
-cd $TOPDIR/include/linux/netfilter_ipv4
+cd ${srctree}/include/linux/netfilter_ipv4
for i in `find . -name '*.h' -print`; do
install -c -m 0644 $i $4/../usr/include/linux/netfilter_ipv4
done
install -c -m 0755 -d $4/../usr/include/linux/nfsd
-cd $TOPDIR/include/linux/nfsd
+cd ${srctree}/include/linux/nfsd
for i in `find . -name '*.h' -print`; do
install -c -m 0644 $i $4/../usr/include/linux/nfsd/$i
done
install -c -m 0755 -d $4/../usr/include/linux/raid
-cd $TOPDIR/include/linux/raid
+cd ${srctree}/include/linux/raid
for i in `find . -name '*.h' -print`; do
install -c -m 0644 $i $4/../usr/include/linux/raid
done
install -c -m 0755 -d $4/../usr/include/linux/sunrpc
-cd $TOPDIR/include/linux/sunrpc
+cd ${srctree}/include/linux/sunrpc
for i in `find . -name '*.h' -print`; do
install -c -m 0644 $i $4/../usr/include/linux/sunrpc
done
install -c -m 0755 -d $4/../usr/include/asm
-cd $TOPDIR/include/asm
+cd ${srctree}/include/asm
for i in `find . -name '*.h' -print`; do
install -c -m 0644 $i $4/../usr/include/asm
done
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index 1f01284..b0ed709 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -606,7 +606,7 @@
int i, j;
for (i = 0; i < npmem_ranges; i++) {
- zl = node_zonelist(i);
+ zl = node_zonelist(i, 0);
for (j = 0; j < MAX_NR_ZONES; j++) {
struct zoneref *z;
struct zone *zone;
diff --git a/arch/um/Kconfig.char b/arch/um/Kconfig.char
index 3a4b396..1b238eb 100644
--- a/arch/um/Kconfig.char
+++ b/arch/um/Kconfig.char
@@ -145,14 +145,14 @@
systems, it is safe to say N.
config RAW_DRIVER
- tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)"
+ tristate "RAW driver (/dev/raw/rawN)"
+ depends on BLOCK
help
The raw driver permits block devices to be bound to /dev/raw/rawN.
Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O.
See the raw(8) manpage for more details.
- The raw driver is deprecated and will be removed soon.
- Applications should simply open the device (eg /dev/hda1)
+ Applications should preferably open the device (eg /dev/hda1)
with the O_DIRECT flag.
config MAX_RAW_DEVS
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 0257640..cfeb3f4 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -11,6 +11,7 @@
#include <termios.h>
#include <sys/ioctl.h>
#include "chan_user.h"
+#include "kern_constants.h"
#include "os.h"
#include "um_malloc.h"
#include "user.h"
diff --git a/arch/um/drivers/cow_sys.h b/arch/um/drivers/cow_sys.h
index ca8c9e1..f5701fd 100644
--- a/arch/um/drivers/cow_sys.h
+++ b/arch/um/drivers/cow_sys.h
@@ -8,7 +8,7 @@
static inline void *cow_malloc(int size)
{
- return kmalloc(size, UM_GFP_KERNEL);
+ return uml_kmalloc(size, UM_GFP_KERNEL);
}
static inline void cow_free(void *ptr)
diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c
index f23c109..f8e85e0 100644
--- a/arch/um/drivers/daemon_user.c
+++ b/arch/um/drivers/daemon_user.c
@@ -34,7 +34,7 @@
{
struct sockaddr_un *sun;
- sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
+ sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
if (sun == NULL) {
printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
"failed\n");
@@ -83,7 +83,7 @@
goto out_close;
}
- sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
+ sun = uml_kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
if (sun == NULL) {
printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
"failed\n");
diff --git a/arch/um/drivers/fd.c b/arch/um/drivers/fd.c
index 0a2bb5b..f5a981a 100644
--- a/arch/um/drivers/fd.c
+++ b/arch/um/drivers/fd.c
@@ -40,7 +40,7 @@
return NULL;
}
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
return NULL;
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index ff1b22b..368219c 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -154,7 +154,7 @@
case SNDCTL_DSP_SUBDIVIDE:
case SNDCTL_DSP_SETFRAGMENT:
if (get_user(data, (int __user *) arg))
- return EFAULT;
+ return -EFAULT;
break;
default:
break;
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 5f647d7..ee19e91 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -15,6 +15,7 @@
#include <unistd.h>
#include <errno.h>
#include <netinet/in.h>
+#include "kern_constants.h"
#include "mcast.h"
#include "net_user.h"
#include "um_malloc.h"
@@ -24,7 +25,7 @@
{
struct sockaddr_in *sin;
- sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
+ sin = uml_kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
if (sin == NULL) {
printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in "
"failed\n");
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index abf2653..9415dd9 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -222,7 +222,7 @@
netmask[2], netmask[3]);
output_len = UM_KERN_PAGE_SIZE;
- output = kmalloc(output_len, UM_GFP_KERNEL);
+ output = uml_kmalloc(output_len, UM_GFP_KERNEL);
if (output == NULL)
printk(UM_KERN_ERR "change : failed to allocate output "
"buffer\n");
diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index d269ca3..b49bf56 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -47,7 +47,7 @@
if (kern_data == NULL)
return NULL;
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
goto err;
diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c
index 49c79dd..1113911 100644
--- a/arch/um/drivers/pty.c
+++ b/arch/um/drivers/pty.c
@@ -29,7 +29,7 @@
{
struct pty_chan *data;
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
return NULL;
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 71f0959..4949044 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2005 Jeff Dike <jdike@addtoit.com> */
+/* Copyright (C) 2005 - 2008 Jeff Dike <jdike@{linux.intel,addtoit}.com> */
+
/* Much of this ripped from drivers/char/hw_random.c, see there for other
* copyright.
*
@@ -8,16 +9,18 @@
#include <linux/sched.h>
#include <linux/module.h>
#include <linux/fs.h>
+#include <linux/interrupt.h>
#include <linux/miscdevice.h>
#include <linux/delay.h>
#include <asm/uaccess.h>
+#include "irq_kern.h"
#include "os.h"
/*
* core module and version information
*/
#define RNG_VERSION "1.0.0"
-#define RNG_MODULE_NAME "random"
+#define RNG_MODULE_NAME "hw_random"
#define RNG_MISCDEV_MINOR 183 /* official */
@@ -26,47 +29,67 @@
* protects against a module being loaded twice at the same time.
*/
static int random_fd = -1;
+static DECLARE_WAIT_QUEUE_HEAD(host_read_wait);
static int rng_dev_open (struct inode *inode, struct file *filp)
{
/* enforce read-only access to this chrdev */
if ((filp->f_mode & FMODE_READ) == 0)
return -EINVAL;
- if (filp->f_mode & FMODE_WRITE)
+ if ((filp->f_mode & FMODE_WRITE) != 0)
return -EINVAL;
return 0;
}
+static atomic_t host_sleep_count = ATOMIC_INIT(0);
+
static ssize_t rng_dev_read (struct file *filp, char __user *buf, size_t size,
- loff_t * offp)
+ loff_t *offp)
{
- u32 data;
- int n, ret = 0, have_data;
+ u32 data;
+ int n, ret = 0, have_data;
- while(size){
- n = os_read_file(random_fd, &data, sizeof(data));
- if(n > 0){
- have_data = n;
- while (have_data && size) {
- if (put_user((u8)data, buf++)) {
- ret = ret ? : -EFAULT;
- break;
- }
- size--;
- ret++;
- have_data--;
- data>>=8;
- }
- }
- else if(n == -EAGAIN){
- if (filp->f_flags & O_NONBLOCK)
- return ret ? : -EAGAIN;
+ while (size) {
+ n = os_read_file(random_fd, &data, sizeof(data));
+ if (n > 0) {
+ have_data = n;
+ while (have_data && size) {
+ if (put_user((u8) data, buf++)) {
+ ret = ret ? : -EFAULT;
+ break;
+ }
+ size--;
+ ret++;
+ have_data--;
+ data >>= 8;
+ }
+ }
+ else if (n == -EAGAIN) {
+ DECLARE_WAITQUEUE(wait, current);
- if(need_resched())
- schedule_timeout_interruptible(1);
- }
- else return n;
+ if (filp->f_flags & O_NONBLOCK)
+ return ret ? : -EAGAIN;
+
+ atomic_inc(&host_sleep_count);
+ reactivate_fd(random_fd, RANDOM_IRQ);
+ add_sigio_fd(random_fd);
+
+ add_wait_queue(&host_read_wait, &wait);
+ set_task_state(current, TASK_INTERRUPTIBLE);
+
+ schedule();
+ set_task_state(current, TASK_RUNNING);
+ remove_wait_queue(&host_read_wait, &wait);
+
+ if (atomic_dec_and_test(&host_sleep_count)) {
+ ignore_sigio_fd(random_fd);
+ deactivate_fd(random_fd, RANDOM_IRQ);
+ }
+ }
+ else
+ return n;
+
if (signal_pending (current))
return ret ? : -ERESTARTSYS;
}
@@ -86,6 +109,13 @@
&rng_chrdev_ops,
};
+static irqreturn_t random_interrupt(int irq, void *data)
+{
+ wake_up(&host_read_wait);
+
+ return IRQ_HANDLED;
+}
+
/*
* rng_init - initialize RNG module
*/
@@ -93,28 +123,33 @@
{
int err;
- err = os_open_file("/dev/random", of_read(OPENFLAGS()), 0);
- if(err < 0)
- goto out;
+ err = os_open_file("/dev/random", of_read(OPENFLAGS()), 0);
+ if (err < 0)
+ goto out;
- random_fd = err;
+ random_fd = err;
- err = os_set_fd_block(random_fd, 0);
- if(err)
+ err = um_request_irq(RANDOM_IRQ, random_fd, IRQ_READ, random_interrupt,
+ IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "random",
+ NULL);
+ if (err)
goto err_out_cleanup_hw;
+ sigio_broken(random_fd, 1);
+
err = misc_register (&rng_miscdev);
if (err) {
- printk (KERN_ERR RNG_MODULE_NAME ": misc device register failed\n");
+ printk (KERN_ERR RNG_MODULE_NAME ": misc device register "
+ "failed\n");
goto err_out_cleanup_hw;
}
+out:
+ return err;
- out:
- return err;
-
- err_out_cleanup_hw:
- random_fd = -1;
- goto out;
+err_out_cleanup_hw:
+ os_close_file(random_fd);
+ random_fd = -1;
+ goto out;
}
/*
@@ -122,6 +157,7 @@
*/
static void __exit rng_cleanup (void)
{
+ os_close_file(random_fd);
misc_deregister (&rng_miscdev);
}
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
index 8b80505..a1c2d2c 100644
--- a/arch/um/drivers/slip_user.c
+++ b/arch/um/drivers/slip_user.c
@@ -96,7 +96,7 @@
pid = err;
output_len = UM_KERN_PAGE_SIZE;
- output = kmalloc(output_len, UM_GFP_KERNEL);
+ output = uml_kmalloc(output_len, UM_GFP_KERNEL);
if (output == NULL) {
printk(UM_KERN_ERR "slip_tramp : failed to allocate output "
"buffer\n");
diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c
index c930fed..495858a 100644
--- a/arch/um/drivers/tty.c
+++ b/arch/um/drivers/tty.c
@@ -29,7 +29,7 @@
}
str++;
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
return NULL;
*data = ((struct tty_chan) { .dev = str,
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 5e45e39..44ad160 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1178,8 +1178,8 @@
* by one word. Thanks to Lynn Kerby for the fix and James McMechan
* for the original diagnosis.
*/
- if(*cow_offset == ((bitmap_len + sizeof(unsigned long) - 1) /
- sizeof(unsigned long) - 1))
+ if (*cow_offset == (DIV_ROUND_UP(bitmap_len,
+ sizeof(unsigned long)) - 1))
(*cow_offset)--;
bitmap_words[0] = bitmap[*cow_offset];
diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c
index 8a1c18a..da2caa5 100644
--- a/arch/um/drivers/xterm.c
+++ b/arch/um/drivers/xterm.c
@@ -30,7 +30,7 @@
{
struct xterm_chan *data;
- data = kmalloc(sizeof(*data), UM_GFP_KERNEL);
+ data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL);
if (data == NULL)
return NULL;
*data = ((struct xterm_chan) { .pid = -1,
diff --git a/arch/um/include/as-layout.h b/arch/um/include/as-layout.h
index cac542d..58e852d 100644
--- a/arch/um/include/as-layout.h
+++ b/arch/um/include/as-layout.h
@@ -23,16 +23,16 @@
*/
#ifdef __ASSEMBLY__
-#define _AC(X, Y) (Y)
+#define _UML_AC(X, Y) (Y)
#else
-#define __AC(X, Y) (X (Y))
-#define _AC(X, Y) __AC(X, Y)
+#define __UML_AC(X, Y) (X(Y))
+#define _UML_AC(X, Y) __UML_AC(X, Y)
#endif
-#define STUB_START _AC(, 0x100000)
-#define STUB_CODE _AC((unsigned long), STUB_START)
-#define STUB_DATA _AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE)
-#define STUB_END _AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE)
+#define STUB_START _UML_AC(, 0x100000)
+#define STUB_CODE _UML_AC((unsigned long), STUB_START)
+#define STUB_DATA _UML_AC((unsigned long), STUB_CODE + UM_KERN_PAGE_SIZE)
+#define STUB_END _UML_AC((unsigned long), STUB_DATA + UM_KERN_PAGE_SIZE)
#ifndef __ASSEMBLY__
diff --git a/arch/um/include/line.h b/arch/um/include/line.h
index 979b73e..311a0d3 100644
--- a/arch/um/include/line.h
+++ b/arch/um/include/line.h
@@ -58,11 +58,11 @@
};
#define LINE_INIT(str, d) \
- { .count_lock = SPIN_LOCK_UNLOCKED, \
+ { .count_lock = __SPIN_LOCK_UNLOCKED((str).count_lock), \
.init_str = str, \
.init_pri = INIT_STATIC, \
.valid = 1, \
- .lock = SPIN_LOCK_UNLOCKED, \
+ .lock = __SPIN_LOCK_UNLOCKED((str).lock), \
.driver = d }
extern void line_close(struct tty_struct *tty, struct file * filp);
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 32c799e..e2716ac 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -290,6 +290,7 @@
extern int add_sigio_fd(int fd);
extern int ignore_sigio_fd(int fd);
extern void maybe_sigio_broken(int fd, int read);
+extern void sigio_broken(int fd, int read);
/* sys-x86_64/prctl.c */
extern int os_arch_prctl(int pid, int code, unsigned long *addr);
diff --git a/arch/um/include/process.h b/arch/um/include/process.h
index 5af9157..bb873a5 100644
--- a/arch/um/include/process.h
+++ b/arch/um/include/process.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
@@ -8,18 +8,10 @@
#include <signal.h>
-extern void sig_handler(int sig, struct sigcontext sc);
-extern void alarm_handler(int sig, struct sigcontext sc);
+/* Copied from linux/compiler-gcc.h since we can't include it directly */
+#define barrier() __asm__ __volatile__("": : :"memory")
+
+extern void sig_handler(int sig, struct sigcontext *sc);
+extern void alarm_handler(int sig, struct sigcontext *sc);
#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/skas_ptrace.h b/arch/um/include/skas_ptrace.h
index cd2327d..3d31bba 100644
--- a/arch/um/include/skas_ptrace.h
+++ b/arch/um/include/skas_ptrace.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
+ * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
@@ -12,14 +12,3 @@
#include "sysdep/skas_ptrace.h"
#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/sysdep-i386/ptrace_user.h b/arch/um/include/sysdep-i386/ptrace_user.h
index 7565072..ef56247 100644
--- a/arch/um/include/sysdep-i386/ptrace_user.h
+++ b/arch/um/include/sysdep-i386/ptrace_user.h
@@ -41,38 +41,10 @@
#define PT_SP_OFFSET PT_OFFSET(UESP)
#define PT_SP(regs) ((regs)[UESP])
-#define FP_SIZE ((HOST_XFP_SIZE > HOST_FP_SIZE) ? HOST_XFP_SIZE : HOST_FP_SIZE)
+#define FP_SIZE ((HOST_FPX_SIZE > HOST_FP_SIZE) ? HOST_FPX_SIZE : HOST_FP_SIZE)
#ifndef FRAME_SIZE
#define FRAME_SIZE (17)
#endif
-#define FRAME_SIZE_OFFSET (FRAME_SIZE * sizeof(unsigned long))
-
-#define FP_FRAME_SIZE (27)
-#define FPX_FRAME_SIZE (128)
-
-#ifdef PTRACE_GETREGS
-#define UM_HAVE_GETREGS
-#endif
-
-#ifdef PTRACE_SETREGS
-#define UM_HAVE_SETREGS
-#endif
-
-#ifdef PTRACE_GETFPREGS
-#define UM_HAVE_GETFPREGS
-#endif
-
-#ifdef PTRACE_SETFPREGS
-#define UM_HAVE_SETFPREGS
-#endif
-
-#ifdef PTRACE_GETFPXREGS
-#define UM_HAVE_GETFPXREGS
-#endif
-
-#ifdef PTRACE_SETFPXREGS
-#define UM_HAVE_SETFPXREGS
-#endif
#endif
diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h
index 67e7712..f583c87 100644
--- a/arch/um/include/sysdep-i386/sigcontext.h
+++ b/arch/um/include/sysdep-i386/sigcontext.h
@@ -10,7 +10,7 @@
#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
-#define GET_FAULTINFO_FROM_SC(fi,sc) \
+#define GET_FAULTINFO_FROM_SC(fi, sc) \
{ \
(fi).cr2 = SC_CR2(sc); \
(fi).error_code = SC_ERR(sc); \
diff --git a/arch/um/include/sysdep-x86_64/ptrace_user.h b/arch/um/include/sysdep-x86_64/ptrace_user.h
index 45c0bd8..4dbccdb 100644
--- a/arch/um/include/sysdep-x86_64/ptrace_user.h
+++ b/arch/um/include/sysdep-x86_64/ptrace_user.h
@@ -48,7 +48,8 @@
#define PT_ORIG_RAX_OFFSET (ORIG_RAX)
#define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)])
-/* x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
+/*
+ * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
* it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
* 2.4 name and value for 2.4 host compatibility.
*/
@@ -56,7 +57,8 @@
#define PTRACE_OLDSETOPTIONS 21
#endif
-/* These are before the system call, so the system call number is RAX
+/*
+ * These are before the system call, so the system call number is RAX
* rather than ORIG_RAX, and arg4 is R10 rather than RCX
*/
#define REGS_SYSCALL_NR PT_INDEX(RAX)
@@ -73,14 +75,3 @@
#define FP_SIZE (HOST_FP_SIZE)
#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/include/um_malloc.h b/arch/um/include/um_malloc.h
index 0ad17cb..c554d70 100644
--- a/arch/um/include/um_malloc.h
+++ b/arch/um/include/um_malloc.h
@@ -8,15 +8,12 @@
#include "kern_constants.h"
-extern void *__kmalloc(int size, int flags);
-static inline void *kmalloc(int size, int flags)
-{
- return __kmalloc(size, flags);
-}
-
+extern void *uml_kmalloc(int size, int flags);
extern void kfree(const void *ptr);
extern void *vmalloc(unsigned long size);
extern void vfree(void *ptr);
#endif /* __UM_MALLOC_H__ */
+
+
diff --git a/arch/um/kernel/dyn.lds.S b/arch/um/kernel/dyn.lds.S
index 26090b7..9975e1a 100644
--- a/arch/um/kernel/dyn.lds.S
+++ b/arch/um/kernel/dyn.lds.S
@@ -1,4 +1,5 @@
#include <asm-generic/vmlinux.lds.h>
+#include <asm/page.h>
OUTPUT_FORMAT(ELF_FORMAT)
OUTPUT_ARCH(ELF_ARCH)
@@ -21,7 +22,7 @@
_einittext = .;
}
- . = ALIGN(4096);
+ . = ALIGN(PAGE_SIZE);
/* Read-only sections, merged into text segment: */
.hash : { *(.hash) }
@@ -68,9 +69,9 @@
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
- . = ALIGN(4096);
+ . = ALIGN(PAGE_SIZE);
} =0x90909090
- . = ALIGN(4096);
+ . = ALIGN(PAGE_SIZE);
.syscall_stub : {
__syscall_stub_start = .;
*(.__syscall_stub*)
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 2eea1ff..b0ee646 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -375,3 +375,8 @@
return pmd;
}
#endif
+
+void *uml_kmalloc(int size, int flags)
+{
+ return kmalloc(size, flags);
+}
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 0d0cea2..c3e2f36 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -75,7 +75,7 @@
static cycle_t itimer_read(void)
{
- return os_nsecs();
+ return os_nsecs() / 1000;
}
static struct clocksource itimer_clocksource = {
@@ -83,7 +83,7 @@
.rating = 300,
.read = itimer_read,
.mask = CLOCKSOURCE_MASK(64),
- .mult = 1,
+ .mult = 1000,
.shift = 0,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 56deed6..9db85b2 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -150,7 +150,7 @@
static int __init no_skas_debug_setup(char *line, int *add)
{
printf("'debug' is not necessary to gdb UML in skas mode - run \n");
- printf("'gdb linux'");
+ printf("'gdb linux'\n");
return 0;
}
@@ -258,6 +258,7 @@
{
unsigned long avail, diff;
unsigned long virtmem_size, max_physmem;
+ unsigned long stack;
unsigned int i;
int add;
char * mode;
@@ -348,7 +349,9 @@
}
virtmem_size = physmem_size;
- avail = TASK_SIZE - start_vm;
+ stack = (unsigned long) argv;
+ stack &= ~(1024 * 1024 - 1);
+ avail = stack - start_vm;
if (physmem_size > avail)
virtmem_size = avail;
end_vm = start_vm + virtmem_size;
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index 5828c1d..11b8352 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -1,4 +1,5 @@
#include <asm-generic/vmlinux.lds.h>
+#include <asm/page.h>
OUTPUT_FORMAT(ELF_FORMAT)
OUTPUT_ARCH(ELF_ARCH)
@@ -26,7 +27,7 @@
INIT_TEXT
_einittext = .;
}
- . = ALIGN(4096);
+ . = ALIGN(PAGE_SIZE);
.text :
{
@@ -39,7 +40,7 @@
*(.gnu.linkonce.t*)
}
- . = ALIGN(4096);
+ . = ALIGN(PAGE_SIZE);
.syscall_stub : {
__syscall_stub_start = .;
*(.__syscall_stub*)
@@ -79,7 +80,7 @@
.sdata : { *(.sdata) }
_edata = .;
PROVIDE (edata = .);
- . = ALIGN(0x1000);
+ . = ALIGN(PAGE_SIZE);
.sbss :
{
__bss_start = .;
diff --git a/arch/um/os-Linux/drivers/ethertap_user.c b/arch/um/os-Linux/drivers/ethertap_user.c
index 6fb0b17..cc72cb2 100644
--- a/arch/um/os-Linux/drivers/ethertap_user.c
+++ b/arch/um/os-Linux/drivers/ethertap_user.c
@@ -52,7 +52,7 @@
return;
}
- output = kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
+ output = uml_kmalloc(UM_KERN_PAGE_SIZE, UM_GFP_KERNEL);
if (output == NULL)
printk(UM_KERN_ERR "etap_change : Failed to allocate output "
"buffer\n");
@@ -165,7 +165,7 @@
err = etap_tramp(pri->dev_name, pri->gate_addr, control_fds[0],
control_fds[1], data_fds[0], data_fds[1]);
output_len = UM_KERN_PAGE_SIZE;
- output = kmalloc(output_len, UM_GFP_KERNEL);
+ output = uml_kmalloc(output_len, UM_GFP_KERNEL);
read_output(control_fds[0], output, output_len);
if (output == NULL)
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index f25c29a..74ca7aa 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -71,8 +71,8 @@
data.pre_data = pre_data;
data.argv = argv;
data.fd = fds[1];
- data.buf = __cant_sleep() ? kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
- kmalloc(PATH_MAX, UM_GFP_KERNEL);
+ data.buf = __cant_sleep() ? uml_kmalloc(PATH_MAX, UM_GFP_ATOMIC) :
+ uml_kmalloc(PATH_MAX, UM_GFP_KERNEL);
pid = clone(helper_child, (void *) sp, CLONE_VM, &data);
if (pid < 0) {
ret = -errno;
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index abb9b0f..eee69b9 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -199,7 +199,7 @@
return __real_malloc(size);
else if (size <= UM_KERN_PAGE_SIZE)
/* finding contiguous pages can be hard*/
- ret = kmalloc(size, UM_GFP_KERNEL);
+ ret = uml_kmalloc(size, UM_GFP_KERNEL);
else ret = vmalloc(size);
/*
diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index abf47a7c..eb8f2e4 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Copyright (C) 2002 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
@@ -15,6 +15,7 @@
#include "kern_util.h"
#include "init.h"
#include "os.h"
+#include "process.h"
#include "sigio.h"
#include "um_malloc.h"
#include "user.h"
@@ -109,7 +110,7 @@
if (n <= polls->size)
return 0;
- new = kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
+ new = uml_kmalloc(n * sizeof(struct pollfd), UM_GFP_ATOMIC);
if (new == NULL) {
printk(UM_KERN_ERR "need_poll : failed to allocate new "
"pollfds\n");
@@ -243,7 +244,7 @@
{
struct pollfd *p;
- p = kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
+ p = uml_kmalloc(sizeof(struct pollfd), UM_GFP_KERNEL);
if (p == NULL) {
printk(UM_KERN_ERR "setup_initial_poll : failed to allocate "
"poll\n");
@@ -338,20 +339,10 @@
close(l_write_sigio_fds[1]);
}
-/* Changed during early boot */
-static int pty_output_sigio = 0;
-static int pty_close_sigio = 0;
-
-void maybe_sigio_broken(int fd, int read)
+void sigio_broken(int fd, int read)
{
int err;
- if (!isatty(fd))
- return;
-
- if ((read || pty_output_sigio) && (!read || pty_close_sigio))
- return;
-
write_sigio_workaround();
sigio_lock();
@@ -370,6 +361,21 @@
sigio_unlock();
}
+/* Changed during early boot */
+static int pty_output_sigio;
+static int pty_close_sigio;
+
+void maybe_sigio_broken(int fd, int read)
+{
+ if (!isatty(fd))
+ return;
+
+ if ((read || pty_output_sigio) && (!read || pty_close_sigio))
+ return;
+
+ sigio_broken(fd, read);
+}
+
static void sigio_cleanup(void)
{
if (write_sigio_pid == -1)
@@ -383,7 +389,7 @@
__uml_exitcall(sigio_cleanup);
/* Used as a flag during SIGIO testing early in boot */
-static volatile int got_sigio = 0;
+static int got_sigio;
static void __init handler(int sig)
{
@@ -498,7 +504,8 @@
if (errno != EAGAIN)
printk(UM_KERN_ERR "tty_output : write failed, errno = %d\n",
errno);
- while (((n = read(slave, buf, sizeof(buf))) > 0) && !got_sigio)
+ while (((n = read(slave, buf, sizeof(buf))) > 0) &&
+ !({ barrier(); got_sigio; }))
;
if (got_sigio) {
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 3f1694b..5aade60 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -12,6 +12,7 @@
#include "as-layout.h"
#include "kern_util.h"
#include "os.h"
+#include "process.h"
#include "sysdep/barrier.h"
#include "sysdep/sigcontext.h"
#include "user.h"
diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c
index 1e8cba6..6be028c 100644
--- a/arch/um/os-Linux/skas/process.c
+++ b/arch/um/os-Linux/skas/process.c
@@ -442,7 +442,7 @@
unblock_signals();
break;
default:
- printk(UM_KERN_ERR "userspace - child stopped "
+ printk(UM_KERN_ERR "userspace - child stopped "
"with signal %d\n", sig);
fatal_sigsegv();
}
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 997d019..b4b36e0 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -23,6 +23,7 @@
#include "mem_user.h"
#include "ptrace_user.h"
#include "registers.h"
+#include "skas.h"
#include "skas_ptrace.h"
static void ptrace_child(void)
@@ -140,14 +141,27 @@
}
/* Changed only during early boot */
-int ptrace_faultinfo = 1;
-int ptrace_ldt = 1;
-int proc_mm = 1;
-int skas_needs_stub = 0;
+int ptrace_faultinfo;
+static int disable_ptrace_faultinfo;
+
+int ptrace_ldt;
+static int disable_ptrace_ldt;
+
+int proc_mm;
+static int disable_proc_mm;
+
+int have_switch_mm;
+static int disable_switch_mm;
+
+int skas_needs_stub;
static int __init skas0_cmd_param(char *str, int* add)
{
- ptrace_faultinfo = proc_mm = 0;
+ disable_ptrace_faultinfo = 1;
+ disable_ptrace_ldt = 1;
+ disable_proc_mm = 1;
+ disable_switch_mm = 1;
+
return 0;
}
@@ -157,15 +171,12 @@
__attribute__((alias("skas0_cmd_param")));
__uml_setup("skas0", skas0_cmd_param,
- "skas0\n"
- " Disables SKAS3 usage, so that SKAS0 is used, unless \n"
- " you specify mode=tt.\n\n");
+"skas0\n"
+" Disables SKAS3 and SKAS4 usage, so that SKAS0 is used\n\n");
__uml_setup("mode=skas0", mode_skas0_cmd_param,
- "mode=skas0\n"
- " Disables SKAS3 usage, so that SKAS0 is used, unless you \n"
- " specify mode=tt. Note that this was recently added - on \n"
- " older kernels you must use simply \"skas0\".\n\n");
+"mode=skas0\n"
+" Disables SKAS3 and SKAS4 usage, so that SKAS0 is used.\n\n");
/* Changed only during early boot */
static int force_sysemu_disabled = 0;
@@ -360,7 +371,7 @@
static int __init noprocmm_cmd_param(char *str, int* add)
{
- proc_mm = 0;
+ disable_proc_mm = 1;
return 0;
}
@@ -372,7 +383,7 @@
static int __init noptracefaultinfo_cmd_param(char *str, int* add)
{
- ptrace_faultinfo = 0;
+ disable_ptrace_faultinfo = 1;
return 0;
}
@@ -384,7 +395,7 @@
static int __init noptraceldt_cmd_param(char *str, int* add)
{
- ptrace_ldt = 0;
+ disable_ptrace_ldt = 1;
return 0;
}
@@ -404,17 +415,15 @@
n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi);
if (n < 0) {
- ptrace_faultinfo = 0;
if (errno == EIO)
non_fatal("not found\n");
else
perror("not found");
- }
+ } else if (disable_ptrace_faultinfo)
+ non_fatal("found but disabled on command line\n");
else {
- if (!ptrace_faultinfo)
- non_fatal("found but disabled on command line\n");
- else
- non_fatal("found\n");
+ ptrace_faultinfo = 1;
+ non_fatal("found\n");
}
stop_ptraced_child(pid, 1, 1);
@@ -437,38 +446,30 @@
if (n < 0) {
if (errno == EIO)
non_fatal("not found\n");
- else {
- perror("not found");
- }
- ptrace_ldt = 0;
- }
- else {
- if (ptrace_ldt)
- non_fatal("found\n");
else
- non_fatal("found, but use is disabled\n");
+ perror("not found");
+ } else if (disable_ptrace_ldt)
+ non_fatal("found, but use is disabled\n");
+ else {
+ ptrace_ldt = 1;
+ non_fatal("found\n");
}
stop_ptraced_child(pid, 1, 1);
-#else
- /* PTRACE_LDT might be disabled via cmdline option.
- * We want to override this, else we might use the stub
- * without real need
- */
- ptrace_ldt = 1;
#endif
}
static inline void check_skas3_proc_mm(void)
{
non_fatal(" - /proc/mm...");
- if (access("/proc/mm", W_OK) < 0) {
- proc_mm = 0;
+ if (access("/proc/mm", W_OK) < 0)
perror("not found");
- }
- else if (!proc_mm)
+ else if (disable_proc_mm)
non_fatal("found but disabled on command line\n");
- else non_fatal("found\n");
+ else {
+ proc_mm = 1;
+ non_fatal("found\n");
+ }
}
void can_do_skas(void)
diff --git a/arch/um/os-Linux/sys-i386/registers.c b/arch/um/os-Linux/sys-i386/registers.c
index b613473..c6183e7 100644
--- a/arch/um/os-Linux/sys-i386/registers.c
+++ b/arch/um/os-Linux/sys-i386/registers.c
@@ -5,6 +5,7 @@
*/
#include <errno.h>
+#include <asm/user.h>
#include "kern_constants.h"
#include "longjmp.h"
#include "user.h"
@@ -74,10 +75,10 @@
void arch_init_registers(int pid)
{
- unsigned long fpx_regs[HOST_XFP_SIZE];
+ struct user_fxsr_struct fpx_regs;
int err;
- err = ptrace(PTRACE_GETFPXREGS, pid, 0, fpx_regs);
+ err = ptrace(PTRACE_GETFPXREGS, pid, 0, &fpx_regs);
if (!err)
return;
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index e492805..bee98f4 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -9,7 +9,9 @@
#include <time.h>
#include <sys/time.h>
#include "kern_constants.h"
+#include "kern_util.h"
#include "os.h"
+#include "process.h"
#include "user.h"
int set_interval(void)
@@ -58,12 +60,17 @@
long long disable_timer(void)
{
struct itimerval time = ((struct itimerval) { { 0, 0 }, { 0, 0 } });
+ int remain, max = UM_NSEC_PER_SEC / UM_HZ;
if (setitimer(ITIMER_VIRTUAL, &time, &time) < 0)
printk(UM_KERN_ERR "disable_timer - setitimer failed, "
"errno = %d\n", errno);
- return timeval_to_ns(&time.it_value);
+ remain = timeval_to_ns(&time.it_value);
+ if (remain > max)
+ remain = max;
+
+ return remain;
}
long long os_nsecs(void)
@@ -79,7 +86,44 @@
{
return 0;
}
+
+static void deliver_alarm(void)
+{
+ alarm_handler(SIGVTALRM, NULL);
+}
+
+static unsigned long long sleep_time(unsigned long long nsecs)
+{
+ return nsecs;
+}
+
#else
+unsigned long long last_tick;
+unsigned long long skew;
+
+static void deliver_alarm(void)
+{
+ unsigned long long this_tick = os_nsecs();
+ int one_tick = UM_NSEC_PER_SEC / UM_HZ;
+
+ if (last_tick == 0)
+ last_tick = this_tick - one_tick;
+
+ skew += this_tick - last_tick;
+
+ while (skew >= one_tick) {
+ alarm_handler(SIGVTALRM, NULL);
+ skew -= one_tick;
+ }
+
+ last_tick = this_tick;
+}
+
+static unsigned long long sleep_time(unsigned long long nsecs)
+{
+ return nsecs > skew ? nsecs - skew : 0;
+}
+
static inline long long timespec_to_us(const struct timespec *ts)
{
return ((long long) ts->tv_sec * UM_USEC_PER_SEC) +
@@ -102,6 +146,8 @@
*/
if (start_usecs > usec)
start_usecs = usec;
+
+ start_usecs -= skew / UM_NSEC_PER_USEC;
tv = ((struct timeval) { .tv_sec = start_usecs / UM_USEC_PER_SEC,
.tv_usec = start_usecs % UM_USEC_PER_SEC });
interval = ((struct itimerval) { { 0, usec }, tv });
@@ -113,8 +159,6 @@
}
#endif
-extern void alarm_handler(int sig, struct sigcontext *sc);
-
void idle_sleep(unsigned long long nsecs)
{
struct timespec ts;
@@ -126,10 +170,12 @@
*/
if (nsecs == 0)
nsecs = UM_NSEC_PER_SEC / UM_HZ;
+
+ nsecs = sleep_time(nsecs);
ts = ((struct timespec) { .tv_sec = nsecs / UM_NSEC_PER_SEC,
.tv_nsec = nsecs % UM_NSEC_PER_SEC });
if (nanosleep(&ts, &ts) == 0)
- alarm_handler(SIGVTALRM, NULL);
+ deliver_alarm();
after_sleep_interval(&ts);
}
diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c
index 6b44999..c9b1765 100644
--- a/arch/um/sys-i386/ptrace.c
+++ b/arch/um/sys-i386/ptrace.c
@@ -148,14 +148,13 @@
int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
{
int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
- long fpregs[HOST_FP_SIZE];
+ struct user_i387_struct fpregs;
- BUG_ON(sizeof(*buf) != sizeof(fpregs));
- err = save_fp_registers(userspace_pid[cpu], fpregs);
+ err = save_fp_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
if (err)
return err;
- n = copy_to_user(buf, fpregs, sizeof(fpregs));
+ n = copy_to_user(buf, &fpregs, sizeof(fpregs));
if(n > 0)
return -EFAULT;
@@ -165,27 +164,26 @@
int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child)
{
int n, cpu = ((struct thread_info *) child->stack)->cpu;
- long fpregs[HOST_FP_SIZE];
+ struct user_i387_struct fpregs;
- BUG_ON(sizeof(*buf) != sizeof(fpregs));
- n = copy_from_user(fpregs, buf, sizeof(fpregs));
+ n = copy_from_user(&fpregs, buf, sizeof(fpregs));
if (n > 0)
return -EFAULT;
- return restore_fp_registers(userspace_pid[cpu], fpregs);
+ return restore_fp_registers(userspace_pid[cpu],
+ (unsigned long *) &fpregs);
}
int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
{
int err, n, cpu = ((struct thread_info *) child->stack)->cpu;
- long fpregs[HOST_XFP_SIZE];
+ struct user_fxsr_struct fpregs;
- BUG_ON(sizeof(*buf) != sizeof(fpregs));
- err = save_fpx_registers(userspace_pid[cpu], fpregs);
+ err = save_fpx_registers(userspace_pid[cpu], (unsigned long *) &fpregs);
if (err)
return err;
- n = copy_to_user(buf, fpregs, sizeof(fpregs));
+ n = copy_to_user(buf, &fpregs, sizeof(fpregs));
if(n > 0)
return -EFAULT;
@@ -195,14 +193,14 @@
int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child)
{
int n, cpu = ((struct thread_info *) child->stack)->cpu;
- long fpregs[HOST_XFP_SIZE];
+ struct user_fxsr_struct fpregs;
- BUG_ON(sizeof(*buf) != sizeof(fpregs));
- n = copy_from_user(fpregs, buf, sizeof(fpregs));
+ n = copy_from_user(&fpregs, buf, sizeof(fpregs));
if (n > 0)
return -EFAULT;
- return restore_fpx_registers(userspace_pid[cpu], fpregs);
+ return restore_fpx_registers(userspace_pid[cpu],
+ (unsigned long *) &fpregs);
}
long subarch_ptrace(struct task_struct *child, long request, long addr,
diff --git a/arch/um/sys-i386/user-offsets.c b/arch/um/sys-i386/user-offsets.c
index 39bd32b..5f883bf 100644
--- a/arch/um/sys-i386/user-offsets.c
+++ b/arch/um/sys-i386/user-offsets.c
@@ -22,7 +22,7 @@
OFFSET(HOST_SC_CR2, sigcontext, cr2);
DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
- DEFINE_LONGS(HOST_XFP_SIZE, sizeof(struct user_fpxregs_struct));
+ DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
DEFINE(HOST_IP, EIP);
DEFINE(HOST_SP, UESP);
diff --git a/arch/um/sys-x86_64/user-offsets.c b/arch/um/sys-x86_64/user-offsets.c
index 2f3443c..9735854 100644
--- a/arch/um/sys-x86_64/user-offsets.c
+++ b/arch/um/sys-x86_64/user-offsets.c
@@ -24,7 +24,6 @@
OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
DEFINE(HOST_FP_SIZE, sizeof(struct _fpstate) / sizeof(unsigned long));
- DEFINE(HOST_XFP_SIZE, 0);
DEFINE_LONGS(HOST_RBX, RBX);
DEFINE_LONGS(HOST_RCX, RCX);
DEFINE_LONGS(HOST_RDI, RDI);
diff --git a/block/blktrace.c b/block/blktrace.c
index 568588c..b2cbb4e 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -476,7 +476,7 @@
switch (cmd) {
case BLKTRACESETUP:
- strcpy(b, bdevname(bdev, b));
+ bdevname(bdev, b);
ret = blk_trace_setup(q, b, bdev->bd_dev, arg);
break;
case BLKTRACESTART:
diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c
index c70d0b6..c23177e 100644
--- a/block/compat_ioctl.c
+++ b/block/compat_ioctl.c
@@ -555,7 +555,7 @@
if (copy_from_user(&cbuts, arg, sizeof(cbuts)))
return -EFAULT;
- strcpy(b, bdevname(bdev, b));
+ bdevname(bdev, b);
buts = (struct blk_user_trace_setup) {
.act_mask = cbuts.act_mask,
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 2001b0e..55c1653 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -916,7 +916,7 @@
{
struct slgt_info *info = tty->driver_data;
unsigned long flags;
- int ret;
+ int ret = 0;
if (sanity_check(info, tty->name, "put_char"))
return 0;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 087eee0..ee0ea91 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2369,8 +2369,8 @@
/* complete a check operation */
if (test_and_clear_bit(STRIPE_OP_CHECK, &sh->ops.complete)) {
- clear_bit(STRIPE_OP_CHECK, &sh->ops.ack);
- clear_bit(STRIPE_OP_CHECK, &sh->ops.pending);
+ clear_bit(STRIPE_OP_CHECK, &sh->ops.ack);
+ clear_bit(STRIPE_OP_CHECK, &sh->ops.pending);
if (s->failed == 0) {
if (sh->ops.zero_sum_result == 0)
/* parity is correct (on disc,
@@ -2400,16 +2400,6 @@
canceled_check = 1; /* STRIPE_INSYNC is not set */
}
- /* check if we can clear a parity disk reconstruct */
- if (test_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.complete) &&
- test_bit(STRIPE_OP_MOD_REPAIR_PD, &sh->ops.pending)) {
-
- clear_bit(STRIPE_OP_MOD_REPAIR_PD, &sh->ops.pending);
- clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.complete);
- clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.ack);
- clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.pending);
- }
-
/* start a new check operation if there are no failures, the stripe is
* not insync, and a repair is not in flight
*/
@@ -2424,6 +2414,17 @@
}
}
+ /* check if we can clear a parity disk reconstruct */
+ if (test_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.complete) &&
+ test_bit(STRIPE_OP_MOD_REPAIR_PD, &sh->ops.pending)) {
+
+ clear_bit(STRIPE_OP_MOD_REPAIR_PD, &sh->ops.pending);
+ clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.complete);
+ clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.ack);
+ clear_bit(STRIPE_OP_COMPUTE_BLK, &sh->ops.pending);
+ }
+
+
/* Wait for check parity and compute block operations to complete
* before write-back. If a failure occurred while the check operation
* was in flight we need to cycle this stripe through handle_stripe
diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h
index 5515234..03a87a3 100644
--- a/drivers/misc/sgi-xp/xp.h
+++ b/drivers/misc/sgi-xp/xp.h
@@ -157,215 +157,136 @@
/*
* Define the return values and values passed to user's callout functions.
* (It is important to add new value codes at the end just preceding
- * xpcUnknownReason, which must have the highest numerical value.)
+ * xpUnknownReason, which must have the highest numerical value.)
*/
-enum xpc_retval {
- xpcSuccess = 0,
+enum xp_retval {
+ xpSuccess = 0,
- xpcNotConnected, /* 1: channel is not connected */
- xpcConnected, /* 2: channel connected (opened) */
- xpcRETIRED1, /* 3: (formerly xpcDisconnected) */
+ xpNotConnected, /* 1: channel is not connected */
+ xpConnected, /* 2: channel connected (opened) */
+ xpRETIRED1, /* 3: (formerly xpDisconnected) */
- xpcMsgReceived, /* 4: message received */
- xpcMsgDelivered, /* 5: message delivered and acknowledged */
+ xpMsgReceived, /* 4: message received */
+ xpMsgDelivered, /* 5: message delivered and acknowledged */
- xpcRETIRED2, /* 6: (formerly xpcTransferFailed) */
+ xpRETIRED2, /* 6: (formerly xpTransferFailed) */
- xpcNoWait, /* 7: operation would require wait */
- xpcRetry, /* 8: retry operation */
- xpcTimeout, /* 9: timeout in xpc_allocate_msg_wait() */
- xpcInterrupted, /* 10: interrupted wait */
+ xpNoWait, /* 7: operation would require wait */
+ xpRetry, /* 8: retry operation */
+ xpTimeout, /* 9: timeout in xpc_allocate_msg_wait() */
+ xpInterrupted, /* 10: interrupted wait */
- xpcUnequalMsgSizes, /* 11: message size disparity between sides */
- xpcInvalidAddress, /* 12: invalid address */
+ xpUnequalMsgSizes, /* 11: message size disparity between sides */
+ xpInvalidAddress, /* 12: invalid address */
- xpcNoMemory, /* 13: no memory available for XPC structures */
- xpcLackOfResources, /* 14: insufficient resources for operation */
- xpcUnregistered, /* 15: channel is not registered */
- xpcAlreadyRegistered, /* 16: channel is already registered */
+ xpNoMemory, /* 13: no memory available for XPC structures */
+ xpLackOfResources, /* 14: insufficient resources for operation */
+ xpUnregistered, /* 15: channel is not registered */
+ xpAlreadyRegistered, /* 16: channel is already registered */
- xpcPartitionDown, /* 17: remote partition is down */
- xpcNotLoaded, /* 18: XPC module is not loaded */
- xpcUnloading, /* 19: this side is unloading XPC module */
+ xpPartitionDown, /* 17: remote partition is down */
+ xpNotLoaded, /* 18: XPC module is not loaded */
+ xpUnloading, /* 19: this side is unloading XPC module */
- xpcBadMagic, /* 20: XPC MAGIC string not found */
+ xpBadMagic, /* 20: XPC MAGIC string not found */
- xpcReactivating, /* 21: remote partition was reactivated */
+ xpReactivating, /* 21: remote partition was reactivated */
- xpcUnregistering, /* 22: this side is unregistering channel */
- xpcOtherUnregistering, /* 23: other side is unregistering channel */
+ xpUnregistering, /* 22: this side is unregistering channel */
+ xpOtherUnregistering, /* 23: other side is unregistering channel */
- xpcCloneKThread, /* 24: cloning kernel thread */
- xpcCloneKThreadFailed, /* 25: cloning kernel thread failed */
+ xpCloneKThread, /* 24: cloning kernel thread */
+ xpCloneKThreadFailed, /* 25: cloning kernel thread failed */
- xpcNoHeartbeat, /* 26: remote partition has no heartbeat */
+ xpNoHeartbeat, /* 26: remote partition has no heartbeat */
- xpcPioReadError, /* 27: PIO read error */
- xpcPhysAddrRegFailed, /* 28: registration of phys addr range failed */
+ xpPioReadError, /* 27: PIO read error */
+ xpPhysAddrRegFailed, /* 28: registration of phys addr range failed */
- xpcBteDirectoryError, /* 29: maps to BTEFAIL_DIR */
- xpcBtePoisonError, /* 30: maps to BTEFAIL_POISON */
- xpcBteWriteError, /* 31: maps to BTEFAIL_WERR */
- xpcBteAccessError, /* 32: maps to BTEFAIL_ACCESS */
- xpcBtePWriteError, /* 33: maps to BTEFAIL_PWERR */
- xpcBtePReadError, /* 34: maps to BTEFAIL_PRERR */
- xpcBteTimeOutError, /* 35: maps to BTEFAIL_TOUT */
- xpcBteXtalkError, /* 36: maps to BTEFAIL_XTERR */
- xpcBteNotAvailable, /* 37: maps to BTEFAIL_NOTAVAIL */
- xpcBteUnmappedError, /* 38: unmapped BTEFAIL_ error */
+ xpRETIRED3, /* 29: (formerly xpBteDirectoryError) */
+ xpRETIRED4, /* 30: (formerly xpBtePoisonError) */
+ xpRETIRED5, /* 31: (formerly xpBteWriteError) */
+ xpRETIRED6, /* 32: (formerly xpBteAccessError) */
+ xpRETIRED7, /* 33: (formerly xpBtePWriteError) */
+ xpRETIRED8, /* 34: (formerly xpBtePReadError) */
+ xpRETIRED9, /* 35: (formerly xpBteTimeOutError) */
+ xpRETIRED10, /* 36: (formerly xpBteXtalkError) */
+ xpRETIRED11, /* 37: (formerly xpBteNotAvailable) */
+ xpRETIRED12, /* 38: (formerly xpBteUnmappedError) */
- xpcBadVersion, /* 39: bad version number */
- xpcVarsNotSet, /* 40: the XPC variables are not set up */
- xpcNoRsvdPageAddr, /* 41: unable to get rsvd page's phys addr */
- xpcInvalidPartid, /* 42: invalid partition ID */
- xpcLocalPartid, /* 43: local partition ID */
+ xpBadVersion, /* 39: bad version number */
+ xpVarsNotSet, /* 40: the XPC variables are not set up */
+ xpNoRsvdPageAddr, /* 41: unable to get rsvd page's phys addr */
+ xpInvalidPartid, /* 42: invalid partition ID */
+ xpLocalPartid, /* 43: local partition ID */
- xpcOtherGoingDown, /* 44: other side going down, reason unknown */
- xpcSystemGoingDown, /* 45: system is going down, reason unknown */
- xpcSystemHalt, /* 46: system is being halted */
- xpcSystemReboot, /* 47: system is being rebooted */
- xpcSystemPoweroff, /* 48: system is being powered off */
+ xpOtherGoingDown, /* 44: other side going down, reason unknown */
+ xpSystemGoingDown, /* 45: system is going down, reason unknown */
+ xpSystemHalt, /* 46: system is being halted */
+ xpSystemReboot, /* 47: system is being rebooted */
+ xpSystemPoweroff, /* 48: system is being powered off */
- xpcDisconnecting, /* 49: channel disconnecting (closing) */
+ xpDisconnecting, /* 49: channel disconnecting (closing) */
- xpcOpenCloseError, /* 50: channel open/close protocol error */
+ xpOpenCloseError, /* 50: channel open/close protocol error */
- xpcDisconnected, /* 51: channel disconnected (closed) */
+ xpDisconnected, /* 51: channel disconnected (closed) */
- xpcBteSh2Start, /* 52: BTE CRB timeout */
+ xpBteCopyError, /* 52: bte_copy() returned error */
- /* 53: 0x1 BTE Error Response Short */
- xpcBteSh2RspShort = xpcBteSh2Start + BTEFAIL_SH2_RESP_SHORT,
-
- /* 54: 0x2 BTE Error Response Long */
- xpcBteSh2RspLong = xpcBteSh2Start + BTEFAIL_SH2_RESP_LONG,
-
- /* 56: 0x4 BTE Error Response DSB */
- xpcBteSh2RspDSB = xpcBteSh2Start + BTEFAIL_SH2_RESP_DSP,
-
- /* 60: 0x8 BTE Error Response Access */
- xpcBteSh2RspAccess = xpcBteSh2Start + BTEFAIL_SH2_RESP_ACCESS,
-
- /* 68: 0x10 BTE Error CRB timeout */
- xpcBteSh2CRBTO = xpcBteSh2Start + BTEFAIL_SH2_CRB_TO,
-
- /* 84: 0x20 BTE Error NACK limit */
- xpcBteSh2NACKLimit = xpcBteSh2Start + BTEFAIL_SH2_NACK_LIMIT,
-
- /* 115: BTE end */
- xpcBteSh2End = xpcBteSh2Start + BTEFAIL_SH2_ALL,
-
- xpcUnknownReason /* 116: unknown reason - must be last in enum */
+ xpUnknownReason /* 53: unknown reason - must be last in enum */
};
/*
- * Define the callout function types used by XPC to update the user on
- * connection activity and state changes (via the user function registered by
- * xpc_connect()) and to notify them of messages received and delivered (via
- * the user function registered by xpc_send_notify()).
- *
- * The two function types are xpc_channel_func and xpc_notify_func and
- * both share the following arguments, with the exception of "data", which
- * only xpc_channel_func has.
+ * Define the callout function type used by XPC to update the user on
+ * connection activity and state changes via the user function registered
+ * by xpc_connect().
*
* Arguments:
*
- * reason - reason code. (See following table.)
+ * reason - reason code.
* partid - partition ID associated with condition.
* ch_number - channel # associated with condition.
- * data - pointer to optional data. (See following table.)
+ * data - pointer to optional data.
* key - pointer to optional user-defined value provided as the "key"
- * argument to xpc_connect() or xpc_send_notify().
+ * argument to xpc_connect().
*
- * In the following table the "Optional Data" column applies to callouts made
- * to functions registered by xpc_connect(). A "NA" in that column indicates
- * that this reason code can be passed to functions registered by
- * xpc_send_notify() (i.e. they don't have data arguments).
+ * A reason code of xpConnected indicates that a connection has been
+ * established to the specified partition on the specified channel. The data
+ * argument indicates the max number of entries allowed in the message queue.
*
- * Also, the first three reason codes in the following table indicate
- * success, whereas the others indicate failure. When a failure reason code
- * is received, one can assume that the channel is not connected.
+ * A reason code of xpMsgReceived indicates that a XPC message arrived from
+ * the specified partition on the specified channel. The data argument
+ * specifies the address of the message's payload. The user must call
+ * xpc_received() when finished with the payload.
*
- *
- * Reason Code | Cause | Optional Data
- * =====================+================================+=====================
- * xpcConnected | connection has been established| max #of entries
- * | to the specified partition on | allowed in message
- * | the specified channel | queue
- * ---------------------+--------------------------------+---------------------
- * xpcMsgReceived | an XPC message arrived from | address of payload
- * | the specified partition on the |
- * | specified channel | [the user must call
- * | | xpc_received() when
- * | | finished with the
- * | | payload]
- * ---------------------+--------------------------------+---------------------
- * xpcMsgDelivered | notification that the message | NA
- * | was delivered to the intended |
- * | recipient and that they have |
- * | acknowledged its receipt by |
- * | calling xpc_received() |
- * =====================+================================+=====================
- * xpcUnequalMsgSizes | can't connect to the specified | NULL
- * | partition on the specified |
- * | channel because of mismatched |
- * | message sizes |
- * ---------------------+--------------------------------+---------------------
- * xpcNoMemory | insufficient memory avaiable | NULL
- * | to allocate message queue |
- * ---------------------+--------------------------------+---------------------
- * xpcLackOfResources | lack of resources to create | NULL
- * | the necessary kthreads to |
- * | support the channel |
- * ---------------------+--------------------------------+---------------------
- * xpcUnregistering | this side's user has | NULL or NA
- * | unregistered by calling |
- * | xpc_disconnect() |
- * ---------------------+--------------------------------+---------------------
- * xpcOtherUnregistering| the other side's user has | NULL or NA
- * | unregistered by calling |
- * | xpc_disconnect() |
- * ---------------------+--------------------------------+---------------------
- * xpcNoHeartbeat | the other side's XPC is no | NULL or NA
- * | longer heartbeating |
- * | |
- * ---------------------+--------------------------------+---------------------
- * xpcUnloading | this side's XPC module is | NULL or NA
- * | being unloaded |
- * | |
- * ---------------------+--------------------------------+---------------------
- * xpcOtherUnloading | the other side's XPC module is | NULL or NA
- * | is being unloaded |
- * | |
- * ---------------------+--------------------------------+---------------------
- * xpcPioReadError | xp_nofault_PIOR() returned an | NULL or NA
- * | error while sending an IPI |
- * | |
- * ---------------------+--------------------------------+---------------------
- * xpcInvalidAddress | the address either received or | NULL or NA
- * | sent by the specified partition|
- * | is invalid |
- * ---------------------+--------------------------------+---------------------
- * xpcBteNotAvailable | attempt to pull data from the | NULL or NA
- * xpcBtePoisonError | specified partition over the |
- * xpcBteWriteError | specified channel via a |
- * xpcBteAccessError | bte_copy() failed |
- * xpcBteTimeOutError | |
- * xpcBteXtalkError | |
- * xpcBteDirectoryError | |
- * xpcBteGenericError | |
- * xpcBteUnmappedError | |
- * ---------------------+--------------------------------+---------------------
- * xpcUnknownReason | the specified channel to the | NULL or NA
- * | specified partition was |
- * | unavailable for unknown reasons|
- * =====================+================================+=====================
+ * All other reason codes indicate failure. The data argmument is NULL.
+ * When a failure reason code is received, one can assume that the channel
+ * is not connected.
*/
-
-typedef void (*xpc_channel_func) (enum xpc_retval reason, partid_t partid,
+typedef void (*xpc_channel_func) (enum xp_retval reason, short partid,
int ch_number, void *data, void *key);
-typedef void (*xpc_notify_func) (enum xpc_retval reason, partid_t partid,
+/*
+ * Define the callout function type used by XPC to notify the user of
+ * messages received and delivered via the user function registered by
+ * xpc_send_notify().
+ *
+ * Arguments:
+ *
+ * reason - reason code.
+ * partid - partition ID associated with condition.
+ * ch_number - channel # associated with condition.
+ * key - pointer to optional user-defined value provided as the "key"
+ * argument to xpc_send_notify().
+ *
+ * A reason code of xpMsgDelivered indicates that the message was delivered
+ * to the intended recipient and that they have acknowledged its receipt by
+ * calling xpc_received().
+ *
+ * All other reason codes indicate failure.
+ */
+typedef void (*xpc_notify_func) (enum xp_retval reason, short partid,
int ch_number, void *key);
/*
@@ -401,57 +322,57 @@
struct xpc_interface {
void (*connect) (int);
void (*disconnect) (int);
- enum xpc_retval (*allocate) (partid_t, int, u32, void **);
- enum xpc_retval (*send) (partid_t, int, void *);
- enum xpc_retval (*send_notify) (partid_t, int, void *,
+ enum xp_retval (*allocate) (short, int, u32, void **);
+ enum xp_retval (*send) (short, int, void *);
+ enum xp_retval (*send_notify) (short, int, void *,
xpc_notify_func, void *);
- void (*received) (partid_t, int, void *);
- enum xpc_retval (*partid_to_nasids) (partid_t, void *);
+ void (*received) (short, int, void *);
+ enum xp_retval (*partid_to_nasids) (short, void *);
};
extern struct xpc_interface xpc_interface;
extern void xpc_set_interface(void (*)(int),
void (*)(int),
- enum xpc_retval (*)(partid_t, int, u32, void **),
- enum xpc_retval (*)(partid_t, int, void *),
- enum xpc_retval (*)(partid_t, int, void *,
+ enum xp_retval (*)(short, int, u32, void **),
+ enum xp_retval (*)(short, int, void *),
+ enum xp_retval (*)(short, int, void *,
xpc_notify_func, void *),
- void (*)(partid_t, int, void *),
- enum xpc_retval (*)(partid_t, void *));
+ void (*)(short, int, void *),
+ enum xp_retval (*)(short, void *));
extern void xpc_clear_interface(void);
-extern enum xpc_retval xpc_connect(int, xpc_channel_func, void *, u16,
+extern enum xp_retval xpc_connect(int, xpc_channel_func, void *, u16,
u16, u32, u32);
extern void xpc_disconnect(int);
-static inline enum xpc_retval
-xpc_allocate(partid_t partid, int ch_number, u32 flags, void **payload)
+static inline enum xp_retval
+xpc_allocate(short partid, int ch_number, u32 flags, void **payload)
{
return xpc_interface.allocate(partid, ch_number, flags, payload);
}
-static inline enum xpc_retval
-xpc_send(partid_t partid, int ch_number, void *payload)
+static inline enum xp_retval
+xpc_send(short partid, int ch_number, void *payload)
{
return xpc_interface.send(partid, ch_number, payload);
}
-static inline enum xpc_retval
-xpc_send_notify(partid_t partid, int ch_number, void *payload,
+static inline enum xp_retval
+xpc_send_notify(short partid, int ch_number, void *payload,
xpc_notify_func func, void *key)
{
return xpc_interface.send_notify(partid, ch_number, payload, func, key);
}
static inline void
-xpc_received(partid_t partid, int ch_number, void *payload)
+xpc_received(short partid, int ch_number, void *payload)
{
return xpc_interface.received(partid, ch_number, payload);
}
-static inline enum xpc_retval
-xpc_partid_to_nasids(partid_t partid, void *nasids)
+static inline enum xp_retval
+xpc_partid_to_nasids(short partid, void *nasids)
{
return xpc_interface.partid_to_nasids(partid, nasids);
}
diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c
index 1fbf99b..196480b 100644
--- a/drivers/misc/sgi-xp/xp_main.c
+++ b/drivers/misc/sgi-xp/xp_main.c
@@ -42,21 +42,21 @@
/*
* Initialize the XPC interface to indicate that XPC isn't loaded.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_notloaded(void)
{
- return xpcNotLoaded;
+ return xpNotLoaded;
}
struct xpc_interface xpc_interface = {
(void (*)(int))xpc_notloaded,
(void (*)(int))xpc_notloaded,
- (enum xpc_retval(*)(partid_t, int, u32, void **))xpc_notloaded,
- (enum xpc_retval(*)(partid_t, int, void *))xpc_notloaded,
- (enum xpc_retval(*)(partid_t, int, void *, xpc_notify_func, void *))
+ (enum xp_retval(*)(short, int, u32, void **))xpc_notloaded,
+ (enum xp_retval(*)(short, int, void *))xpc_notloaded,
+ (enum xp_retval(*)(short, int, void *, xpc_notify_func, void *))
xpc_notloaded,
- (void (*)(partid_t, int, void *))xpc_notloaded,
- (enum xpc_retval(*)(partid_t, void *))xpc_notloaded
+ (void (*)(short, int, void *))xpc_notloaded,
+ (enum xp_retval(*)(short, void *))xpc_notloaded
};
EXPORT_SYMBOL_GPL(xpc_interface);
@@ -66,12 +66,12 @@
void
xpc_set_interface(void (*connect) (int),
void (*disconnect) (int),
- enum xpc_retval (*allocate) (partid_t, int, u32, void **),
- enum xpc_retval (*send) (partid_t, int, void *),
- enum xpc_retval (*send_notify) (partid_t, int, void *,
+ enum xp_retval (*allocate) (short, int, u32, void **),
+ enum xp_retval (*send) (short, int, void *),
+ enum xp_retval (*send_notify) (short, int, void *,
xpc_notify_func, void *),
- void (*received) (partid_t, int, void *),
- enum xpc_retval (*partid_to_nasids) (partid_t, void *))
+ void (*received) (short, int, void *),
+ enum xp_retval (*partid_to_nasids) (short, void *))
{
xpc_interface.connect = connect;
xpc_interface.disconnect = disconnect;
@@ -91,16 +91,16 @@
{
xpc_interface.connect = (void (*)(int))xpc_notloaded;
xpc_interface.disconnect = (void (*)(int))xpc_notloaded;
- xpc_interface.allocate = (enum xpc_retval(*)(partid_t, int, u32,
+ xpc_interface.allocate = (enum xp_retval(*)(short, int, u32,
void **))xpc_notloaded;
- xpc_interface.send = (enum xpc_retval(*)(partid_t, int, void *))
+ xpc_interface.send = (enum xp_retval(*)(short, int, void *))
xpc_notloaded;
- xpc_interface.send_notify = (enum xpc_retval(*)(partid_t, int, void *,
+ xpc_interface.send_notify = (enum xp_retval(*)(short, int, void *,
xpc_notify_func,
void *))xpc_notloaded;
- xpc_interface.received = (void (*)(partid_t, int, void *))
+ xpc_interface.received = (void (*)(short, int, void *))
xpc_notloaded;
- xpc_interface.partid_to_nasids = (enum xpc_retval(*)(partid_t, void *))
+ xpc_interface.partid_to_nasids = (enum xp_retval(*)(short, void *))
xpc_notloaded;
}
EXPORT_SYMBOL_GPL(xpc_clear_interface);
@@ -123,13 +123,13 @@
* nentries - max #of XPC message entries a message queue can contain.
* The actual number, which is determined when a connection
* is established and may be less then requested, will be
- * passed to the user via the xpcConnected callout.
+ * passed to the user via the xpConnected callout.
* assigned_limit - max number of kthreads allowed to be processing
* messages (per connection) at any given instant.
* idle_limit - max number of kthreads allowed to be idle at any given
* instant.
*/
-enum xpc_retval
+enum xp_retval
xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size,
u16 nentries, u32 assigned_limit, u32 idle_limit)
{
@@ -143,12 +143,12 @@
registration = &xpc_registrations[ch_number];
if (mutex_lock_interruptible(®istration->mutex) != 0)
- return xpcInterrupted;
+ return xpInterrupted;
/* if XPC_CHANNEL_REGISTERED(ch_number) */
if (registration->func != NULL) {
mutex_unlock(®istration->mutex);
- return xpcAlreadyRegistered;
+ return xpAlreadyRegistered;
}
/* register the channel for connection */
@@ -163,7 +163,7 @@
xpc_interface.connect(ch_number);
- return xpcSuccess;
+ return xpSuccess;
}
EXPORT_SYMBOL_GPL(xpc_connect);
diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
index 9eb6d4a..11ac267 100644
--- a/drivers/misc/sgi-xp/xpc.h
+++ b/drivers/misc/sgi-xp/xpc.h
@@ -172,13 +172,13 @@
(_version >= _XPC_VERSION(3, 1))
static inline int
-xpc_hb_allowed(partid_t partid, struct xpc_vars *vars)
+xpc_hb_allowed(short partid, struct xpc_vars *vars)
{
return ((vars->heartbeating_to_mask & (1UL << partid)) != 0);
}
static inline void
-xpc_allow_hb(partid_t partid, struct xpc_vars *vars)
+xpc_allow_hb(short partid, struct xpc_vars *vars)
{
u64 old_mask, new_mask;
@@ -190,7 +190,7 @@
}
static inline void
-xpc_disallow_hb(partid_t partid, struct xpc_vars *vars)
+xpc_disallow_hb(short partid, struct xpc_vars *vars)
{
u64 old_mask, new_mask;
@@ -408,11 +408,11 @@
* messages.
*/
struct xpc_channel {
- partid_t partid; /* ID of remote partition connected */
+ short partid; /* ID of remote partition connected */
spinlock_t lock; /* lock for updating this structure */
u32 flags; /* general flags */
- enum xpc_retval reason; /* reason why channel is disconnect'g */
+ enum xp_retval reason; /* reason why channel is disconnect'g */
int reason_line; /* line# disconnect initiated from */
u16 number; /* channel # */
@@ -522,7 +522,7 @@
spinlock_t act_lock; /* protect updating of act_state */
u8 act_state; /* from XPC HB viewpoint */
u8 remote_vars_version; /* version# of partition's vars */
- enum xpc_retval reason; /* reason partition is deactivating */
+ enum xp_retval reason; /* reason partition is deactivating */
int reason_line; /* line# deactivation initiated from */
int reactivate_nasid; /* nasid in partition to reactivate */
@@ -615,7 +615,7 @@
/* interval in seconds to print 'waiting disengagement' messages */
#define XPC_DISENGAGE_PRINTMSG_INTERVAL 10
-#define XPC_PARTID(_p) ((partid_t) ((_p) - &xpc_partitions[0]))
+#define XPC_PARTID(_p) ((short)((_p) - &xpc_partitions[0]))
/* found in xp_main.c */
extern struct xpc_registration xpc_registrations[];
@@ -646,31 +646,31 @@
extern void xpc_restrict_IPI_ops(void);
extern int xpc_identify_act_IRQ_sender(void);
extern int xpc_partition_disengaged(struct xpc_partition *);
-extern enum xpc_retval xpc_mark_partition_active(struct xpc_partition *);
+extern enum xp_retval xpc_mark_partition_active(struct xpc_partition *);
extern void xpc_mark_partition_inactive(struct xpc_partition *);
extern void xpc_discovery(void);
extern void xpc_check_remote_hb(void);
extern void xpc_deactivate_partition(const int, struct xpc_partition *,
- enum xpc_retval);
-extern enum xpc_retval xpc_initiate_partid_to_nasids(partid_t, void *);
+ enum xp_retval);
+extern enum xp_retval xpc_initiate_partid_to_nasids(short, void *);
/* found in xpc_channel.c */
extern void xpc_initiate_connect(int);
extern void xpc_initiate_disconnect(int);
-extern enum xpc_retval xpc_initiate_allocate(partid_t, int, u32, void **);
-extern enum xpc_retval xpc_initiate_send(partid_t, int, void *);
-extern enum xpc_retval xpc_initiate_send_notify(partid_t, int, void *,
- xpc_notify_func, void *);
-extern void xpc_initiate_received(partid_t, int, void *);
-extern enum xpc_retval xpc_setup_infrastructure(struct xpc_partition *);
-extern enum xpc_retval xpc_pull_remote_vars_part(struct xpc_partition *);
+extern enum xp_retval xpc_initiate_allocate(short, int, u32, void **);
+extern enum xp_retval xpc_initiate_send(short, int, void *);
+extern enum xp_retval xpc_initiate_send_notify(short, int, void *,
+ xpc_notify_func, void *);
+extern void xpc_initiate_received(short, int, void *);
+extern enum xp_retval xpc_setup_infrastructure(struct xpc_partition *);
+extern enum xp_retval xpc_pull_remote_vars_part(struct xpc_partition *);
extern void xpc_process_channel_activity(struct xpc_partition *);
extern void xpc_connected_callout(struct xpc_channel *);
extern void xpc_deliver_msg(struct xpc_channel *);
extern void xpc_disconnect_channel(const int, struct xpc_channel *,
- enum xpc_retval, unsigned long *);
-extern void xpc_disconnect_callout(struct xpc_channel *, enum xpc_retval);
-extern void xpc_partition_going_down(struct xpc_partition *, enum xpc_retval);
+ enum xp_retval, unsigned long *);
+extern void xpc_disconnect_callout(struct xpc_channel *, enum xp_retval);
+extern void xpc_partition_going_down(struct xpc_partition *, enum xp_retval);
extern void xpc_teardown_infrastructure(struct xpc_partition *);
static inline void
@@ -901,7 +901,7 @@
return FETCHOP_LOAD_OP(TO_AMO((u64)&amo->variable), FETCHOP_CLEAR);
}
-static inline enum xpc_retval
+static inline enum xp_retval
xpc_IPI_send(AMO_t *amo, u64 flag, int nasid, int phys_cpuid, int vector)
{
int ret = 0;
@@ -923,7 +923,7 @@
local_irq_restore(irq_flags);
- return ((ret == 0) ? xpcSuccess : xpcPioReadError);
+ return ((ret == 0) ? xpSuccess : xpPioReadError);
}
/*
@@ -992,7 +992,7 @@
unsigned long *irq_flags)
{
struct xpc_partition *part = &xpc_partitions[ch->partid];
- enum xpc_retval ret;
+ enum xp_retval ret;
if (likely(part->act_state != XPC_P_DEACTIVATING)) {
ret = xpc_IPI_send(part->remote_IPI_amo_va,
@@ -1001,7 +1001,7 @@
part->remote_IPI_phys_cpuid, SGI_XPC_NOTIFY);
dev_dbg(xpc_chan, "%s sent to partid=%d, channel=%d, ret=%d\n",
ipi_flag_string, ch->partid, ch->number, ret);
- if (unlikely(ret != xpcSuccess)) {
+ if (unlikely(ret != xpSuccess)) {
if (irq_flags != NULL)
spin_unlock_irqrestore(&ch->lock, *irq_flags);
XPC_DEACTIVATE_PARTITION(part, ret);
@@ -1123,41 +1123,10 @@
return amo;
}
-static inline enum xpc_retval
+static inline enum xp_retval
xpc_map_bte_errors(bte_result_t error)
{
- if (error == BTE_SUCCESS)
- return xpcSuccess;
-
- if (is_shub2()) {
- if (BTE_VALID_SH2_ERROR(error))
- return xpcBteSh2Start + error;
- return xpcBteUnmappedError;
- }
- switch (error) {
- case BTE_SUCCESS:
- return xpcSuccess;
- case BTEFAIL_DIR:
- return xpcBteDirectoryError;
- case BTEFAIL_POISON:
- return xpcBtePoisonError;
- case BTEFAIL_WERR:
- return xpcBteWriteError;
- case BTEFAIL_ACCESS:
- return xpcBteAccessError;
- case BTEFAIL_PWERR:
- return xpcBtePWriteError;
- case BTEFAIL_PRERR:
- return xpcBtePReadError;
- case BTEFAIL_TOUT:
- return xpcBteTimeOutError;
- case BTEFAIL_XTERR:
- return xpcBteXtalkError;
- case BTEFAIL_NOTAVAIL:
- return xpcBteNotAvailable;
- default:
- return xpcBteUnmappedError;
- }
+ return ((error == BTE_SUCCESS) ? xpSuccess : xpBteCopyError);
}
/*
diff --git a/drivers/misc/sgi-xp/xpc_channel.c b/drivers/misc/sgi-xp/xpc_channel.c
index bfcb9ea..9c90c2d 100644
--- a/drivers/misc/sgi-xp/xpc_channel.c
+++ b/drivers/misc/sgi-xp/xpc_channel.c
@@ -53,7 +53,7 @@
* Set up the initial values for the XPartition Communication channels.
*/
static void
-xpc_initialize_channels(struct xpc_partition *part, partid_t partid)
+xpc_initialize_channels(struct xpc_partition *part, short partid)
{
int ch_number;
struct xpc_channel *ch;
@@ -90,12 +90,12 @@
* Setup the infrastructure necessary to support XPartition Communication
* between the specified remote partition and the local one.
*/
-enum xpc_retval
+enum xp_retval
xpc_setup_infrastructure(struct xpc_partition *part)
{
int ret, cpuid;
struct timer_list *timer;
- partid_t partid = XPC_PARTID(part);
+ short partid = XPC_PARTID(part);
/*
* Zero out MOST of the entry for this partition. Only the fields
@@ -114,7 +114,7 @@
GFP_KERNEL);
if (part->channels == NULL) {
dev_err(xpc_chan, "can't get memory for channels\n");
- return xpcNoMemory;
+ return xpNoMemory;
}
part->nchannels = XPC_NCHANNELS;
@@ -129,7 +129,7 @@
part->channels = NULL;
dev_err(xpc_chan, "can't get memory for local get/put "
"values\n");
- return xpcNoMemory;
+ return xpNoMemory;
}
part->remote_GPs = xpc_kzalloc_cacheline_aligned(XPC_GP_SIZE,
@@ -143,7 +143,7 @@
part->local_GPs = NULL;
kfree(part->channels);
part->channels = NULL;
- return xpcNoMemory;
+ return xpNoMemory;
}
/* allocate all the required open and close args */
@@ -159,7 +159,7 @@
part->local_GPs = NULL;
kfree(part->channels);
part->channels = NULL;
- return xpcNoMemory;
+ return xpNoMemory;
}
part->remote_openclose_args =
@@ -175,7 +175,7 @@
part->local_GPs = NULL;
kfree(part->channels);
part->channels = NULL;
- return xpcNoMemory;
+ return xpNoMemory;
}
xpc_initialize_channels(part, partid);
@@ -209,7 +209,7 @@
part->local_GPs = NULL;
kfree(part->channels);
part->channels = NULL;
- return xpcLackOfResources;
+ return xpLackOfResources;
}
/* Setup a timer to check for dropped IPIs */
@@ -243,7 +243,7 @@
xpc_vars_part[partid].nchannels = part->nchannels;
xpc_vars_part[partid].magic = XPC_VP_MAGIC1;
- return xpcSuccess;
+ return xpSuccess;
}
/*
@@ -254,7 +254,7 @@
* dst must be a cacheline aligned virtual address on this partition.
* cnt must be an cacheline sized
*/
-static enum xpc_retval
+static enum xp_retval
xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
const void *src, size_t cnt)
{
@@ -270,7 +270,7 @@
bte_ret = xp_bte_copy((u64)src, (u64)dst, (u64)cnt,
(BTE_NORMAL | BTE_WACQUIRE), NULL);
if (bte_ret == BTE_SUCCESS)
- return xpcSuccess;
+ return xpSuccess;
dev_dbg(xpc_chan, "xp_bte_copy() from partition %d failed, ret=%d\n",
XPC_PARTID(part), bte_ret);
@@ -282,7 +282,7 @@
* Pull the remote per partition specific variables from the specified
* partition.
*/
-enum xpc_retval
+enum xp_retval
xpc_pull_remote_vars_part(struct xpc_partition *part)
{
u8 buffer[L1_CACHE_BYTES * 2];
@@ -290,8 +290,8 @@
(struct xpc_vars_part *)L1_CACHE_ALIGN((u64)buffer);
struct xpc_vars_part *pulled_entry;
u64 remote_entry_cacheline_pa, remote_entry_pa;
- partid_t partid = XPC_PARTID(part);
- enum xpc_retval ret;
+ short partid = XPC_PARTID(part);
+ enum xp_retval ret;
/* pull the cacheline that contains the variables we're interested in */
@@ -311,7 +311,7 @@
ret = xpc_pull_remote_cachelines(part, pulled_entry_cacheline,
(void *)remote_entry_cacheline_pa,
L1_CACHE_BYTES);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
dev_dbg(xpc_chan, "failed to pull XPC vars_part from "
"partition %d, ret=%d\n", partid, ret);
return ret;
@@ -326,11 +326,11 @@
dev_dbg(xpc_chan, "partition %d's XPC vars_part for "
"partition %d has bad magic value (=0x%lx)\n",
partid, sn_partition_id, pulled_entry->magic);
- return xpcBadMagic;
+ return xpBadMagic;
}
/* they've not been initialized yet */
- return xpcRetry;
+ return xpRetry;
}
if (xpc_vars_part[partid].magic == XPC_VP_MAGIC1) {
@@ -344,7 +344,7 @@
dev_err(xpc_chan, "partition %d's XPC vars_part for "
"partition %d are not valid\n", partid,
sn_partition_id);
- return xpcInvalidAddress;
+ return xpInvalidAddress;
}
/* the variables we imported look to be valid */
@@ -366,9 +366,9 @@
}
if (pulled_entry->magic == XPC_VP_MAGIC1)
- return xpcRetry;
+ return xpRetry;
- return xpcSuccess;
+ return xpSuccess;
}
/*
@@ -379,7 +379,7 @@
{
unsigned long irq_flags;
u64 IPI_amo;
- enum xpc_retval ret;
+ enum xp_retval ret;
/*
* See if there are any IPI flags to be handled.
@@ -398,7 +398,7 @@
(void *)part->
remote_openclose_args_pa,
XPC_OPENCLOSE_ARGS_SIZE);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
XPC_DEACTIVATE_PARTITION(part, ret);
dev_dbg(xpc_chan, "failed to pull openclose args from "
@@ -414,7 +414,7 @@
ret = xpc_pull_remote_cachelines(part, part->remote_GPs,
(void *)part->remote_GPs_pa,
XPC_GP_SIZE);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
XPC_DEACTIVATE_PARTITION(part, ret);
dev_dbg(xpc_chan, "failed to pull GPs from partition "
@@ -431,7 +431,7 @@
/*
* Allocate the local message queue and the notify queue.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_allocate_local_msgqueue(struct xpc_channel *ch)
{
unsigned long irq_flags;
@@ -464,18 +464,18 @@
ch->local_nentries = nentries;
}
spin_unlock_irqrestore(&ch->lock, irq_flags);
- return xpcSuccess;
+ return xpSuccess;
}
dev_dbg(xpc_chan, "can't get memory for local message queue and notify "
"queue, partid=%d, channel=%d\n", ch->partid, ch->number);
- return xpcNoMemory;
+ return xpNoMemory;
}
/*
* Allocate the cached remote message queue.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_allocate_remote_msgqueue(struct xpc_channel *ch)
{
unsigned long irq_flags;
@@ -502,12 +502,12 @@
ch->remote_nentries = nentries;
}
spin_unlock_irqrestore(&ch->lock, irq_flags);
- return xpcSuccess;
+ return xpSuccess;
}
dev_dbg(xpc_chan, "can't get memory for cached remote message queue, "
"partid=%d, channel=%d\n", ch->partid, ch->number);
- return xpcNoMemory;
+ return xpNoMemory;
}
/*
@@ -515,20 +515,20 @@
*
* Note: Assumes all of the channel sizes are filled in.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_allocate_msgqueues(struct xpc_channel *ch)
{
unsigned long irq_flags;
- enum xpc_retval ret;
+ enum xp_retval ret;
DBUG_ON(ch->flags & XPC_C_SETUP);
ret = xpc_allocate_local_msgqueue(ch);
- if (ret != xpcSuccess)
+ if (ret != xpSuccess)
return ret;
ret = xpc_allocate_remote_msgqueue(ch);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
kfree(ch->local_msgqueue_base);
ch->local_msgqueue = NULL;
kfree(ch->notify_queue);
@@ -540,7 +540,7 @@
ch->flags |= XPC_C_SETUP;
spin_unlock_irqrestore(&ch->lock, irq_flags);
- return xpcSuccess;
+ return xpSuccess;
}
/*
@@ -552,7 +552,7 @@
static void
xpc_process_connect(struct xpc_channel *ch, unsigned long *irq_flags)
{
- enum xpc_retval ret;
+ enum xp_retval ret;
DBUG_ON(!spin_is_locked(&ch->lock));
@@ -568,7 +568,7 @@
ret = xpc_allocate_msgqueues(ch);
spin_lock_irqsave(&ch->lock, *irq_flags);
- if (ret != xpcSuccess)
+ if (ret != xpSuccess)
XPC_DISCONNECT_CHANNEL(ch, ret, irq_flags);
if (ch->flags & (XPC_C_CONNECTED | XPC_C_DISCONNECTING))
@@ -603,7 +603,7 @@
* Notify those who wanted to be notified upon delivery of their message.
*/
static void
-xpc_notify_senders(struct xpc_channel *ch, enum xpc_retval reason, s64 put)
+xpc_notify_senders(struct xpc_channel *ch, enum xp_retval reason, s64 put)
{
struct xpc_notify *notify;
u8 notify_type;
@@ -748,7 +748,7 @@
if (ch->flags & XPC_C_DISCONNECTINGCALLOUT_MADE) {
spin_unlock_irqrestore(&ch->lock, *irq_flags);
- xpc_disconnect_callout(ch, xpcDisconnected);
+ xpc_disconnect_callout(ch, xpDisconnected);
spin_lock_irqsave(&ch->lock, *irq_flags);
}
@@ -791,7 +791,7 @@
struct xpc_openclose_args *args =
&part->remote_openclose_args[ch_number];
struct xpc_channel *ch = &part->channels[ch_number];
- enum xpc_retval reason;
+ enum xp_retval reason;
spin_lock_irqsave(&ch->lock, irq_flags);
@@ -871,10 +871,10 @@
if (!(ch->flags & XPC_C_DISCONNECTING)) {
reason = args->reason;
- if (reason <= xpcSuccess || reason > xpcUnknownReason)
- reason = xpcUnknownReason;
- else if (reason == xpcUnregistering)
- reason = xpcOtherUnregistering;
+ if (reason <= xpSuccess || reason > xpUnknownReason)
+ reason = xpUnknownReason;
+ else if (reason == xpUnregistering)
+ reason = xpOtherUnregistering;
XPC_DISCONNECT_CHANNEL(ch, reason, &irq_flags);
@@ -961,7 +961,7 @@
if (ch->flags & XPC_C_OPENREQUEST) {
if (args->msg_size != ch->msg_size) {
- XPC_DISCONNECT_CHANNEL(ch, xpcUnequalMsgSizes,
+ XPC_DISCONNECT_CHANNEL(ch, xpUnequalMsgSizes,
&irq_flags);
spin_unlock_irqrestore(&ch->lock, irq_flags);
return;
@@ -991,7 +991,7 @@
return;
}
if (!(ch->flags & XPC_C_OPENREQUEST)) {
- XPC_DISCONNECT_CHANNEL(ch, xpcOpenCloseError,
+ XPC_DISCONNECT_CHANNEL(ch, xpOpenCloseError,
&irq_flags);
spin_unlock_irqrestore(&ch->lock, irq_flags);
return;
@@ -1042,18 +1042,18 @@
/*
* Attempt to establish a channel connection to a remote partition.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_connect_channel(struct xpc_channel *ch)
{
unsigned long irq_flags;
struct xpc_registration *registration = &xpc_registrations[ch->number];
if (mutex_trylock(®istration->mutex) == 0)
- return xpcRetry;
+ return xpRetry;
if (!XPC_CHANNEL_REGISTERED(ch->number)) {
mutex_unlock(®istration->mutex);
- return xpcUnregistered;
+ return xpUnregistered;
}
spin_lock_irqsave(&ch->lock, irq_flags);
@@ -1095,10 +1095,10 @@
* the channel lock as needed.
*/
mutex_unlock(®istration->mutex);
- XPC_DISCONNECT_CHANNEL(ch, xpcUnequalMsgSizes,
+ XPC_DISCONNECT_CHANNEL(ch, xpUnequalMsgSizes,
&irq_flags);
spin_unlock_irqrestore(&ch->lock, irq_flags);
- return xpcUnequalMsgSizes;
+ return xpUnequalMsgSizes;
}
} else {
ch->msg_size = registration->msg_size;
@@ -1120,7 +1120,7 @@
spin_unlock_irqrestore(&ch->lock, irq_flags);
- return xpcSuccess;
+ return xpSuccess;
}
/*
@@ -1203,7 +1203,7 @@
* Notify senders that messages sent have been
* received and delivered by the other side.
*/
- xpc_notify_senders(ch, xpcMsgDelivered,
+ xpc_notify_senders(ch, xpMsgDelivered,
ch->remote_GP.get);
}
@@ -1335,7 +1335,7 @@
* at the same time.
*/
void
-xpc_partition_going_down(struct xpc_partition *part, enum xpc_retval reason)
+xpc_partition_going_down(struct xpc_partition *part, enum xp_retval reason)
{
unsigned long irq_flags;
int ch_number;
@@ -1375,7 +1375,7 @@
void
xpc_teardown_infrastructure(struct xpc_partition *part)
{
- partid_t partid = XPC_PARTID(part);
+ short partid = XPC_PARTID(part);
/*
* We start off by making this partition inaccessible to local
@@ -1428,7 +1428,7 @@
void
xpc_initiate_connect(int ch_number)
{
- partid_t partid;
+ short partid;
struct xpc_partition *part;
struct xpc_channel *ch;
@@ -1456,13 +1456,13 @@
/* let the registerer know that a connection has been established */
if (ch->func != NULL) {
- dev_dbg(xpc_chan, "ch->func() called, reason=xpcConnected, "
+ dev_dbg(xpc_chan, "ch->func() called, reason=xpConnected, "
"partid=%d, channel=%d\n", ch->partid, ch->number);
- ch->func(xpcConnected, ch->partid, ch->number,
+ ch->func(xpConnected, ch->partid, ch->number,
(void *)(u64)ch->local_nentries, ch->key);
- dev_dbg(xpc_chan, "ch->func() returned, reason=xpcConnected, "
+ dev_dbg(xpc_chan, "ch->func() returned, reason=xpConnected, "
"partid=%d, channel=%d\n", ch->partid, ch->number);
}
}
@@ -1484,7 +1484,7 @@
xpc_initiate_disconnect(int ch_number)
{
unsigned long irq_flags;
- partid_t partid;
+ short partid;
struct xpc_partition *part;
struct xpc_channel *ch;
@@ -1503,7 +1503,7 @@
if (!(ch->flags & XPC_C_DISCONNECTED)) {
ch->flags |= XPC_C_WDISCONNECT;
- XPC_DISCONNECT_CHANNEL(ch, xpcUnregistering,
+ XPC_DISCONNECT_CHANNEL(ch, xpUnregistering,
&irq_flags);
}
@@ -1528,7 +1528,7 @@
*/
void
xpc_disconnect_channel(const int line, struct xpc_channel *ch,
- enum xpc_retval reason, unsigned long *irq_flags)
+ enum xp_retval reason, unsigned long *irq_flags)
{
u32 channel_was_connected = (ch->flags & XPC_C_CONNECTED);
@@ -1563,7 +1563,7 @@
} else if ((ch->flags & XPC_C_CONNECTEDCALLOUT_MADE) &&
!(ch->flags & XPC_C_DISCONNECTINGCALLOUT)) {
- /* start a kthread that will do the xpcDisconnecting callout */
+ /* start a kthread that will do the xpDisconnecting callout */
xpc_create_kthreads(ch, 1, 1);
}
@@ -1575,7 +1575,7 @@
}
void
-xpc_disconnect_callout(struct xpc_channel *ch, enum xpc_retval reason)
+xpc_disconnect_callout(struct xpc_channel *ch, enum xp_retval reason)
{
/*
* Let the channel's registerer know that the channel is being
@@ -1598,13 +1598,13 @@
* Wait for a message entry to become available for the specified channel,
* but don't wait any longer than 1 jiffy.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_allocate_msg_wait(struct xpc_channel *ch)
{
- enum xpc_retval ret;
+ enum xp_retval ret;
if (ch->flags & XPC_C_DISCONNECTING) {
- DBUG_ON(ch->reason == xpcInterrupted);
+ DBUG_ON(ch->reason == xpInterrupted);
return ch->reason;
}
@@ -1614,11 +1614,11 @@
if (ch->flags & XPC_C_DISCONNECTING) {
ret = ch->reason;
- DBUG_ON(ch->reason == xpcInterrupted);
+ DBUG_ON(ch->reason == xpInterrupted);
} else if (ret == 0) {
- ret = xpcTimeout;
+ ret = xpTimeout;
} else {
- ret = xpcInterrupted;
+ ret = xpInterrupted;
}
return ret;
@@ -1628,12 +1628,12 @@
* Allocate an entry for a message from the message queue associated with the
* specified channel.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_allocate_msg(struct xpc_channel *ch, u32 flags,
struct xpc_msg **address_of_msg)
{
struct xpc_msg *msg;
- enum xpc_retval ret;
+ enum xp_retval ret;
s64 put;
/* this reference will be dropped in xpc_send_msg() */
@@ -1645,7 +1645,7 @@
}
if (!(ch->flags & XPC_C_CONNECTED)) {
xpc_msgqueue_deref(ch);
- return xpcNotConnected;
+ return xpNotConnected;
}
/*
@@ -1653,7 +1653,7 @@
* If none are available, we'll make sure that we grab the latest
* GP values.
*/
- ret = xpcTimeout;
+ ret = xpTimeout;
while (1) {
@@ -1683,16 +1683,16 @@
* that will cause the IPI handler to fetch the latest
* GP values as if an IPI was sent by the other side.
*/
- if (ret == xpcTimeout)
+ if (ret == xpTimeout)
xpc_IPI_send_local_msgrequest(ch);
if (flags & XPC_NOWAIT) {
xpc_msgqueue_deref(ch);
- return xpcNoWait;
+ return xpNoWait;
}
ret = xpc_allocate_msg_wait(ch);
- if (ret != xpcInterrupted && ret != xpcTimeout) {
+ if (ret != xpInterrupted && ret != xpTimeout) {
xpc_msgqueue_deref(ch);
return ret;
}
@@ -1711,7 +1711,7 @@
*address_of_msg = msg;
- return xpcSuccess;
+ return xpSuccess;
}
/*
@@ -1727,11 +1727,11 @@
* payload - address of the allocated payload area pointer (filled in on
* return) in which the user-defined message is constructed.
*/
-enum xpc_retval
-xpc_initiate_allocate(partid_t partid, int ch_number, u32 flags, void **payload)
+enum xp_retval
+xpc_initiate_allocate(short partid, int ch_number, u32 flags, void **payload)
{
struct xpc_partition *part = &xpc_partitions[partid];
- enum xpc_retval ret = xpcUnknownReason;
+ enum xp_retval ret = xpUnknownReason;
struct xpc_msg *msg = NULL;
DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
@@ -1814,11 +1814,11 @@
* local message queue's Put value and sends an IPI to the partition the
* message is being sent to.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_send_msg(struct xpc_channel *ch, struct xpc_msg *msg, u8 notify_type,
xpc_notify_func func, void *key)
{
- enum xpc_retval ret = xpcSuccess;
+ enum xp_retval ret = xpSuccess;
struct xpc_notify *notify = notify;
s64 put, msg_number = msg->number;
@@ -1908,12 +1908,12 @@
* payload - pointer to the payload area allocated via
* xpc_initiate_allocate().
*/
-enum xpc_retval
-xpc_initiate_send(partid_t partid, int ch_number, void *payload)
+enum xp_retval
+xpc_initiate_send(short partid, int ch_number, void *payload)
{
struct xpc_partition *part = &xpc_partitions[partid];
struct xpc_msg *msg = XPC_MSG_ADDRESS(payload);
- enum xpc_retval ret;
+ enum xp_retval ret;
dev_dbg(xpc_chan, "msg=0x%p, partid=%d, channel=%d\n", (void *)msg,
partid, ch_number);
@@ -1957,13 +1957,13 @@
* receipt. THIS FUNCTION MUST BE NON-BLOCKING.
* key - user-defined key to be passed to the function when it's called.
*/
-enum xpc_retval
-xpc_initiate_send_notify(partid_t partid, int ch_number, void *payload,
+enum xp_retval
+xpc_initiate_send_notify(short partid, int ch_number, void *payload,
xpc_notify_func func, void *key)
{
struct xpc_partition *part = &xpc_partitions[partid];
struct xpc_msg *msg = XPC_MSG_ADDRESS(payload);
- enum xpc_retval ret;
+ enum xp_retval ret;
dev_dbg(xpc_chan, "msg=0x%p, partid=%d, channel=%d\n", (void *)msg,
partid, ch_number);
@@ -1985,7 +1985,7 @@
struct xpc_msg *remote_msg, *msg;
u32 msg_index, nmsgs;
u64 msg_offset;
- enum xpc_retval ret;
+ enum xp_retval ret;
if (mutex_lock_interruptible(&ch->msg_to_pull_mutex) != 0) {
/* we were interrupted by a signal */
@@ -2012,7 +2012,7 @@
ret = xpc_pull_remote_cachelines(part, msg, remote_msg,
nmsgs * ch->msg_size);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
dev_dbg(xpc_chan, "failed to pull %d msgs starting with"
" msg %ld from partition %d, channel=%d, "
@@ -2112,7 +2112,7 @@
ch->number);
/* deliver the message to its intended recipient */
- ch->func(xpcMsgReceived, ch->partid, ch->number,
+ ch->func(xpMsgReceived, ch->partid, ch->number,
&msg->payload, ch->key);
dev_dbg(xpc_chan, "ch->func() returned, msg=0x%p, "
@@ -2203,7 +2203,7 @@
* xpc_initiate_allocate().
*/
void
-xpc_initiate_received(partid_t partid, int ch_number, void *payload)
+xpc_initiate_received(short partid, int ch_number, void *payload)
{
struct xpc_partition *part = &xpc_partitions[partid];
struct xpc_channel *ch;
diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index f673ba9..08256ed 100644
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -315,13 +315,13 @@
* the XPC per partition variables from the remote partition and waiting for
* the remote partition to pull ours.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_make_first_contact(struct xpc_partition *part)
{
- enum xpc_retval ret;
+ enum xp_retval ret;
- while ((ret = xpc_pull_remote_vars_part(part)) != xpcSuccess) {
- if (ret != xpcRetry) {
+ while ((ret = xpc_pull_remote_vars_part(part)) != xpSuccess) {
+ if (ret != xpRetry) {
XPC_DEACTIVATE_PARTITION(part, ret);
return ret;
}
@@ -406,7 +406,7 @@
dev_dbg(xpc_chan, "activating partition %d\n", XPC_PARTID(part));
- if (xpc_setup_infrastructure(part) != xpcSuccess)
+ if (xpc_setup_infrastructure(part) != xpSuccess)
return;
/*
@@ -418,7 +418,7 @@
(void)xpc_part_ref(part); /* this will always succeed */
- if (xpc_make_first_contact(part) == xpcSuccess)
+ if (xpc_make_first_contact(part) == xpSuccess)
xpc_channel_mgr(part);
xpc_part_deref(part);
@@ -429,7 +429,7 @@
static int
xpc_activating(void *__partid)
{
- partid_t partid = (u64)__partid;
+ short partid = (u64)__partid;
struct xpc_partition *part = &xpc_partitions[partid];
unsigned long irq_flags;
@@ -470,7 +470,7 @@
spin_lock_irqsave(&part->act_lock, irq_flags);
part->act_state = XPC_P_INACTIVE;
- XPC_SET_REASON(part, xpcPhysAddrRegFailed, __LINE__);
+ XPC_SET_REASON(part, xpPhysAddrRegFailed, __LINE__);
spin_unlock_irqrestore(&part->act_lock, irq_flags);
part->remote_rp_pa = 0;
return 0;
@@ -488,7 +488,7 @@
xpc_disallow_hb(partid, xpc_vars);
xpc_mark_partition_inactive(part);
- if (part->reason == xpcReactivating) {
+ if (part->reason == xpReactivating) {
/* interrupting ourselves results in activating partition */
xpc_IPI_send_reactivate(part);
}
@@ -499,7 +499,7 @@
void
xpc_activate_partition(struct xpc_partition *part)
{
- partid_t partid = XPC_PARTID(part);
+ short partid = XPC_PARTID(part);
unsigned long irq_flags;
struct task_struct *kthread;
@@ -508,7 +508,7 @@
DBUG_ON(part->act_state != XPC_P_INACTIVE);
part->act_state = XPC_P_ACTIVATION_REQ;
- XPC_SET_REASON(part, xpcCloneKThread, __LINE__);
+ XPC_SET_REASON(part, xpCloneKThread, __LINE__);
spin_unlock_irqrestore(&part->act_lock, irq_flags);
@@ -517,7 +517,7 @@
if (IS_ERR(kthread)) {
spin_lock_irqsave(&part->act_lock, irq_flags);
part->act_state = XPC_P_INACTIVE;
- XPC_SET_REASON(part, xpcCloneKThreadFailed, __LINE__);
+ XPC_SET_REASON(part, xpCloneKThreadFailed, __LINE__);
spin_unlock_irqrestore(&part->act_lock, irq_flags);
}
}
@@ -541,7 +541,7 @@
irqreturn_t
xpc_notify_IRQ_handler(int irq, void *dev_id)
{
- partid_t partid = (partid_t) (u64)dev_id;
+ short partid = (short)(u64)dev_id;
struct xpc_partition *part = &xpc_partitions[partid];
DBUG_ON(partid <= 0 || partid >= XP_MAX_PARTITIONS);
@@ -643,7 +643,7 @@
static int
xpc_kthread_start(void *args)
{
- partid_t partid = XPC_UNPACK_ARG1(args);
+ short partid = XPC_UNPACK_ARG1(args);
u16 ch_number = XPC_UNPACK_ARG2(args);
struct xpc_partition *part = &xpc_partitions[partid];
struct xpc_channel *ch;
@@ -696,7 +696,7 @@
ch->flags |= XPC_C_DISCONNECTINGCALLOUT;
spin_unlock_irqrestore(&ch->lock, irq_flags);
- xpc_disconnect_callout(ch, xpcDisconnecting);
+ xpc_disconnect_callout(ch, xpDisconnecting);
spin_lock_irqsave(&ch->lock, irq_flags);
ch->flags |= XPC_C_DISCONNECTINGCALLOUT_MADE;
@@ -776,7 +776,7 @@
* then we'll deadlock if all other kthreads assigned
* to this channel are blocked in the channel's
* registerer, because the only thing that will unblock
- * them is the xpcDisconnecting callout that this
+ * them is the xpDisconnecting callout that this
* failed kthread_run() would have made.
*/
@@ -796,7 +796,7 @@
* to function.
*/
spin_lock_irqsave(&ch->lock, irq_flags);
- XPC_DISCONNECT_CHANNEL(ch, xpcLackOfResources,
+ XPC_DISCONNECT_CHANNEL(ch, xpLackOfResources,
&irq_flags);
spin_unlock_irqrestore(&ch->lock, irq_flags);
}
@@ -809,7 +809,7 @@
xpc_disconnect_wait(int ch_number)
{
unsigned long irq_flags;
- partid_t partid;
+ short partid;
struct xpc_partition *part;
struct xpc_channel *ch;
int wakeup_channel_mgr;
@@ -857,9 +857,9 @@
}
static void
-xpc_do_exit(enum xpc_retval reason)
+xpc_do_exit(enum xp_retval reason)
{
- partid_t partid;
+ short partid;
int active_part_count, printed_waiting_msg = 0;
struct xpc_partition *part;
unsigned long printmsg_time, disengage_request_timeout = 0;
@@ -955,7 +955,7 @@
del_timer_sync(&xpc_hb_timer);
DBUG_ON(xpc_vars->heartbeating_to_mask != 0);
- if (reason == xpcUnloading) {
+ if (reason == xpUnloading) {
/* take ourselves off of the reboot_notifier_list */
(void)unregister_reboot_notifier(&xpc_reboot_notifier);
@@ -981,20 +981,20 @@
static int
xpc_system_reboot(struct notifier_block *nb, unsigned long event, void *unused)
{
- enum xpc_retval reason;
+ enum xp_retval reason;
switch (event) {
case SYS_RESTART:
- reason = xpcSystemReboot;
+ reason = xpSystemReboot;
break;
case SYS_HALT:
- reason = xpcSystemHalt;
+ reason = xpSystemHalt;
break;
case SYS_POWER_OFF:
- reason = xpcSystemPoweroff;
+ reason = xpSystemPoweroff;
break;
default:
- reason = xpcSystemGoingDown;
+ reason = xpSystemGoingDown;
}
xpc_do_exit(reason);
@@ -1008,7 +1008,7 @@
xpc_die_disengage(void)
{
struct xpc_partition *part;
- partid_t partid;
+ short partid;
unsigned long engaged;
long time, printmsg_time, disengage_request_timeout;
@@ -1124,7 +1124,7 @@
xpc_init(void)
{
int ret;
- partid_t partid;
+ short partid;
struct xpc_partition *part;
struct task_struct *kthread;
size_t buf_size;
@@ -1279,7 +1279,7 @@
/* mark this new thread as a non-starter */
complete(&xpc_discovery_exited);
- xpc_do_exit(xpcUnloading);
+ xpc_do_exit(xpUnloading);
return -EBUSY;
}
@@ -1297,7 +1297,7 @@
void __exit
xpc_exit(void)
{
- xpc_do_exit(xpcUnloading);
+ xpc_do_exit(xpUnloading);
}
module_exit(xpc_exit);
diff --git a/drivers/misc/sgi-xp/xpc_partition.c b/drivers/misc/sgi-xp/xpc_partition.c
index acd3fd4..7dd4b58 100644
--- a/drivers/misc/sgi-xp/xpc_partition.c
+++ b/drivers/misc/sgi-xp/xpc_partition.c
@@ -403,7 +403,7 @@
{
struct xpc_vars *remote_vars;
struct xpc_partition *part;
- partid_t partid;
+ short partid;
bte_result_t bres;
remote_vars = (struct xpc_vars *)xpc_remote_copy_buffer;
@@ -444,7 +444,7 @@
(remote_vars->heartbeat_offline == 0)) ||
!xpc_hb_allowed(sn_partition_id, remote_vars)) {
- XPC_DEACTIVATE_PARTITION(part, xpcNoHeartbeat);
+ XPC_DEACTIVATE_PARTITION(part, xpNoHeartbeat);
continue;
}
@@ -459,7 +459,7 @@
* is large enough to contain a copy of their reserved page header and
* part_nasids mask.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
struct xpc_rsvd_page *remote_rp, u64 *remote_rp_pa)
{
@@ -469,7 +469,7 @@
*remote_rp_pa = xpc_get_rsvd_page_pa(nasid);
if (*remote_rp_pa == 0)
- return xpcNoRsvdPageAddr;
+ return xpNoRsvdPageAddr;
/* pull over the reserved page header and part_nasids mask */
bres = xp_bte_copy(*remote_rp_pa, (u64)remote_rp,
@@ -489,18 +489,18 @@
if (remote_rp->partid < 1 ||
remote_rp->partid > (XP_MAX_PARTITIONS - 1)) {
- return xpcInvalidPartid;
+ return xpInvalidPartid;
}
if (remote_rp->partid == sn_partition_id)
- return xpcLocalPartid;
+ return xpLocalPartid;
if (XPC_VERSION_MAJOR(remote_rp->version) !=
XPC_VERSION_MAJOR(XPC_RP_VERSION)) {
- return xpcBadVersion;
+ return xpBadVersion;
}
- return xpcSuccess;
+ return xpSuccess;
}
/*
@@ -509,13 +509,13 @@
* remote_vars points to a buffer that is cacheline aligned for BTE copies and
* assumed to be of size XPC_RP_VARS_SIZE.
*/
-static enum xpc_retval
+static enum xp_retval
xpc_get_remote_vars(u64 remote_vars_pa, struct xpc_vars *remote_vars)
{
int bres;
if (remote_vars_pa == 0)
- return xpcVarsNotSet;
+ return xpVarsNotSet;
/* pull over the cross partition variables */
bres = xp_bte_copy(remote_vars_pa, (u64)remote_vars, XPC_RP_VARS_SIZE,
@@ -525,10 +525,10 @@
if (XPC_VERSION_MAJOR(remote_vars->version) !=
XPC_VERSION_MAJOR(XPC_V_VERSION)) {
- return xpcBadVersion;
+ return xpBadVersion;
}
- return xpcSuccess;
+ return xpSuccess;
}
/*
@@ -604,16 +604,16 @@
int reactivate = 0;
int stamp_diff;
struct timespec remote_rp_stamp = { 0, 0 };
- partid_t partid;
+ short partid;
struct xpc_partition *part;
- enum xpc_retval ret;
+ enum xp_retval ret;
/* pull over the reserved page structure */
remote_rp = (struct xpc_rsvd_page *)xpc_remote_copy_buffer;
ret = xpc_get_remote_rp(nasid, NULL, remote_rp, &remote_rp_pa);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
dev_warn(xpc_part, "unable to get reserved page from nasid %d, "
"which sent interrupt, reason=%d\n", nasid, ret);
return;
@@ -632,7 +632,7 @@
remote_vars = (struct xpc_vars *)xpc_remote_copy_buffer;
ret = xpc_get_remote_vars(remote_vars_pa, remote_vars);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
dev_warn(xpc_part, "unable to get XPC variables from nasid %d, "
"which sent interrupt, reason=%d\n", nasid, ret);
@@ -699,7 +699,7 @@
&remote_rp_stamp, remote_rp_pa,
remote_vars_pa, remote_vars);
part->reactivate_nasid = nasid;
- XPC_DEACTIVATE_PARTITION(part, xpcReactivating);
+ XPC_DEACTIVATE_PARTITION(part, xpReactivating);
return;
}
@@ -754,11 +754,11 @@
if (reactivate) {
part->reactivate_nasid = nasid;
- XPC_DEACTIVATE_PARTITION(part, xpcReactivating);
+ XPC_DEACTIVATE_PARTITION(part, xpReactivating);
} else if (XPC_SUPPORTS_DISENGAGE_REQUEST(part->remote_vars_version) &&
xpc_partition_disengage_requested(1UL << partid)) {
- XPC_DEACTIVATE_PARTITION(part, xpcOtherGoingDown);
+ XPC_DEACTIVATE_PARTITION(part, xpOtherGoingDown);
}
}
@@ -825,7 +825,7 @@
int
xpc_partition_disengaged(struct xpc_partition *part)
{
- partid_t partid = XPC_PARTID(part);
+ short partid = XPC_PARTID(part);
int disengaged;
disengaged = (xpc_partition_engaged(1UL << partid) == 0);
@@ -870,20 +870,20 @@
/*
* Mark specified partition as active.
*/
-enum xpc_retval
+enum xp_retval
xpc_mark_partition_active(struct xpc_partition *part)
{
unsigned long irq_flags;
- enum xpc_retval ret;
+ enum xp_retval ret;
dev_dbg(xpc_part, "setting partition %d to ACTIVE\n", XPC_PARTID(part));
spin_lock_irqsave(&part->act_lock, irq_flags);
if (part->act_state == XPC_P_ACTIVATING) {
part->act_state = XPC_P_ACTIVE;
- ret = xpcSuccess;
+ ret = xpSuccess;
} else {
- DBUG_ON(part->reason == xpcSuccess);
+ DBUG_ON(part->reason == xpSuccess);
ret = part->reason;
}
spin_unlock_irqrestore(&part->act_lock, irq_flags);
@@ -896,7 +896,7 @@
*/
void
xpc_deactivate_partition(const int line, struct xpc_partition *part,
- enum xpc_retval reason)
+ enum xp_retval reason)
{
unsigned long irq_flags;
@@ -905,15 +905,15 @@
if (part->act_state == XPC_P_INACTIVE) {
XPC_SET_REASON(part, reason, line);
spin_unlock_irqrestore(&part->act_lock, irq_flags);
- if (reason == xpcReactivating) {
+ if (reason == xpReactivating) {
/* we interrupt ourselves to reactivate partition */
xpc_IPI_send_reactivate(part);
}
return;
}
if (part->act_state == XPC_P_DEACTIVATING) {
- if ((part->reason == xpcUnloading && reason != xpcUnloading) ||
- reason == xpcReactivating) {
+ if ((part->reason == xpUnloading && reason != xpUnloading) ||
+ reason == xpReactivating) {
XPC_SET_REASON(part, reason, line);
}
spin_unlock_irqrestore(&part->act_lock, irq_flags);
@@ -982,10 +982,10 @@
int max_regions;
int nasid;
struct xpc_rsvd_page *rp;
- partid_t partid;
+ short partid;
struct xpc_partition *part;
u64 *discovered_nasids;
- enum xpc_retval ret;
+ enum xp_retval ret;
remote_rp = xpc_kmalloc_cacheline_aligned(XPC_RP_HEADER_SIZE +
xp_nasid_mask_bytes,
@@ -1063,12 +1063,12 @@
ret = xpc_get_remote_rp(nasid, discovered_nasids,
remote_rp, &remote_rp_pa);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
dev_dbg(xpc_part, "unable to get reserved page "
"from nasid %d, reason=%d\n", nasid,
ret);
- if (ret == xpcLocalPartid)
+ if (ret == xpLocalPartid)
break;
continue;
@@ -1082,7 +1082,7 @@
/* pull over the cross partition variables */
ret = xpc_get_remote_vars(remote_vars_pa, remote_vars);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
dev_dbg(xpc_part, "unable to get XPC variables "
"from nasid %d, reason=%d\n", nasid,
ret);
@@ -1116,7 +1116,7 @@
"register xp_addr region 0x%016lx\n",
partid, remote_vars->amos_page_pa);
- XPC_SET_REASON(part, xpcPhysAddrRegFailed,
+ XPC_SET_REASON(part, xpPhysAddrRegFailed,
__LINE__);
break;
}
@@ -1151,8 +1151,8 @@
* Given a partid, get the nasids owned by that partition from the
* remote partition's reserved page.
*/
-enum xpc_retval
-xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask)
+enum xp_retval
+xpc_initiate_partid_to_nasids(short partid, void *nasid_mask)
{
struct xpc_partition *part;
u64 part_nasid_pa;
@@ -1160,7 +1160,7 @@
part = &xpc_partitions[partid];
if (part->remote_rp_pa == 0)
- return xpcPartitionDown;
+ return xpPartitionDown;
memset(nasid_mask, 0, XP_NASID_MASK_BYTES);
diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c
index a9543c6..822dc8e 100644
--- a/drivers/misc/sgi-xp/xpnet.c
+++ b/drivers/misc/sgi-xp/xpnet.c
@@ -166,7 +166,7 @@
* Packet was recevied by XPC and forwarded to us.
*/
static void
-xpnet_receive(partid_t partid, int channel, struct xpnet_message *msg)
+xpnet_receive(short partid, int channel, struct xpnet_message *msg)
{
struct sk_buff *skb;
bte_result_t bret;
@@ -282,7 +282,7 @@
* state or message reception on a connection.
*/
static void
-xpnet_connection_activity(enum xpc_retval reason, partid_t partid, int channel,
+xpnet_connection_activity(enum xp_retval reason, short partid, int channel,
void *data, void *key)
{
long bp;
@@ -291,13 +291,13 @@
DBUG_ON(channel != XPC_NET_CHANNEL);
switch (reason) {
- case xpcMsgReceived: /* message received */
+ case xpMsgReceived: /* message received */
DBUG_ON(data == NULL);
xpnet_receive(partid, channel, (struct xpnet_message *)data);
break;
- case xpcConnected: /* connection completed to a partition */
+ case xpConnected: /* connection completed to a partition */
spin_lock_bh(&xpnet_broadcast_lock);
xpnet_broadcast_partitions |= 1UL << (partid - 1);
bp = xpnet_broadcast_partitions;
@@ -330,7 +330,7 @@
static int
xpnet_dev_open(struct net_device *dev)
{
- enum xpc_retval ret;
+ enum xp_retval ret;
dev_dbg(xpnet, "calling xpc_connect(%d, 0x%p, NULL, %ld, %ld, %ld, "
"%ld)\n", XPC_NET_CHANNEL, xpnet_connection_activity,
@@ -340,7 +340,7 @@
ret = xpc_connect(XPC_NET_CHANNEL, xpnet_connection_activity, NULL,
XPNET_MSG_SIZE, XPNET_MSG_NENTRIES,
XPNET_MAX_KTHREADS, XPNET_MAX_IDLE_KTHREADS);
- if (ret != xpcSuccess) {
+ if (ret != xpSuccess) {
dev_err(xpnet, "ifconfig up of %s failed on XPC connect, "
"ret=%d\n", dev->name, ret);
@@ -407,7 +407,7 @@
* release the skb and then release our pending message structure.
*/
static void
-xpnet_send_completed(enum xpc_retval reason, partid_t partid, int channel,
+xpnet_send_completed(enum xp_retval reason, short partid, int channel,
void *__qm)
{
struct xpnet_pending_msg *queued_msg = (struct xpnet_pending_msg *)__qm;
@@ -439,12 +439,12 @@
xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct xpnet_pending_msg *queued_msg;
- enum xpc_retval ret;
+ enum xp_retval ret;
struct xpnet_message *msg;
u64 start_addr, end_addr;
long dp;
u8 second_mac_octet;
- partid_t dest_partid;
+ short dest_partid;
struct xpnet_dev_private *priv;
u16 embedded_bytes;
@@ -528,7 +528,7 @@
ret = xpc_allocate(dest_partid, XPC_NET_CHANNEL,
XPC_NOWAIT, (void **)&msg);
- if (unlikely(ret != xpcSuccess))
+ if (unlikely(ret != xpSuccess))
continue;
msg->embedded_bytes = embedded_bytes;
@@ -557,7 +557,7 @@
ret = xpc_send_notify(dest_partid, XPC_NET_CHANNEL, msg,
xpnet_send_completed, queued_msg);
- if (unlikely(ret != xpcSuccess)) {
+ if (unlikely(ret != xpSuccess)) {
atomic_dec(&queued_msg->use_count);
continue;
}
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 7fb02e1..299118d 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -187,7 +187,7 @@
struct mmc_request *mrq; /* Current request */
struct mmc_command *cmd; /* Current command */
struct mmc_data *data; /* Current data request */
- int data_early:1; /* Data finished before cmd */
+ unsigned int data_early:1; /* Data finished before cmd */
struct scatterlist *cur_sg; /* We're working on this */
int num_sg; /* Entries left */
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 5d9301d..5695a79 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -424,7 +424,7 @@
start = simple_strtoul(buf, &buf, 0);
pnp_res = pnp_add_irq_resource(dev, start, 0);
if (pnp_res)
- nirq++;
+ pnp_res->index = nirq++;
continue;
}
if (!strnicmp(buf, "dma", 3)) {
diff --git a/drivers/rtc/rtc-lib.c b/drivers/rtc/rtc-lib.c
index ba795a4..9f996ec 100644
--- a/drivers/rtc/rtc-lib.c
+++ b/drivers/rtc/rtc-lib.c
@@ -51,7 +51,7 @@
*/
void rtc_time_to_tm(unsigned long time, struct rtc_time *tm)
{
- register int days, month, year;
+ unsigned int days, month, year;
days = time / 86400;
time -= days * 86400;
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 316bfaa..a3e0880 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/i2c.h>
@@ -803,6 +804,7 @@
#ifdef CONFIG_RTC_DRV_M41T80_WDT
if (clientdata->features & M41T80_FEATURE_HT) {
+ save_client = client;
rc = misc_register(&wdt_dev);
if (rc)
goto exit;
@@ -811,7 +813,6 @@
misc_deregister(&wdt_dev);
goto exit;
}
- save_client = client;
}
#endif
return 0;
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index fae9e8f..66ec5d8 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -126,7 +126,6 @@
config SPI_MPC83xx
tristate "Freescale MPC83xx/QUICC Engine SPI controller"
depends on SPI_MASTER && (PPC_83xx || QUICC_ENGINE) && EXPERIMENTAL
- select SPI_BITBANG
help
This enables using the Freescale MPC83xx and QUICC Engine SPI
controllers in master mode.
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index 654bb58..0c452c4 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -1567,7 +1567,7 @@
int status = 0;
/* Enable the SSP clock */
- clk_disable(ssp->clk);
+ clk_enable(ssp->clk);
/* Start the queue running */
status = start_queue(drv_data);
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 189f706..6832da6 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -49,6 +49,7 @@
#define SPMODE_LEN(x) ((x) << 20)
#define SPMODE_PM(x) ((x) << 16)
#define SPMODE_OP (1 << 14)
+#define SPMODE_CG(x) ((x) << 7)
/*
* Default for SPI Mode:
@@ -67,10 +68,6 @@
/* SPI Controller driver's private data. */
struct mpc83xx_spi {
- /* bitbang has to be first */
- struct spi_bitbang bitbang;
- struct completion done;
-
struct mpc83xx_spi_reg __iomem *base;
/* rx & tx bufs from the spi_transfer */
@@ -82,7 +79,7 @@
u32(*get_tx) (struct mpc83xx_spi *);
unsigned int count;
- u32 irq;
+ int irq;
unsigned nsecs; /* (clock cycle time)/2 */
@@ -94,6 +91,25 @@
void (*activate_cs) (u8 cs, u8 polarity);
void (*deactivate_cs) (u8 cs, u8 polarity);
+
+ u8 busy;
+
+ struct workqueue_struct *workqueue;
+ struct work_struct work;
+
+ struct list_head queue;
+ spinlock_t lock;
+
+ struct completion done;
+};
+
+struct spi_mpc83xx_cs {
+ /* functions to deal with different sized buffers */
+ void (*get_rx) (u32 rx_data, struct mpc83xx_spi *);
+ u32 (*get_tx) (struct mpc83xx_spi *);
+ u32 rx_shift; /* RX data reg shift when in qe mode */
+ u32 tx_shift; /* TX data reg shift when in qe mode */
+ u32 hw_mode; /* Holds HW mode register settings */
};
static inline void mpc83xx_spi_write_reg(__be32 __iomem * reg, u32 val)
@@ -137,6 +153,7 @@
{
struct mpc83xx_spi *mpc83xx_spi;
u8 pol = spi->mode & SPI_CS_HIGH ? 1 : 0;
+ struct spi_mpc83xx_cs *cs = spi->controller_state;
mpc83xx_spi = spi_master_get_devdata(spi->master);
@@ -147,50 +164,26 @@
if (value == BITBANG_CS_ACTIVE) {
u32 regval = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
- u32 len = spi->bits_per_word;
- u8 pm;
- if (len == 32)
- len = 0;
- else
- len = len - 1;
+ mpc83xx_spi->rx_shift = cs->rx_shift;
+ mpc83xx_spi->tx_shift = cs->tx_shift;
+ mpc83xx_spi->get_rx = cs->get_rx;
+ mpc83xx_spi->get_tx = cs->get_tx;
- /* mask out bits we are going to set */
- regval &= ~(SPMODE_CP_BEGIN_EDGECLK | SPMODE_CI_INACTIVEHIGH
- | SPMODE_LEN(0xF) | SPMODE_DIV16
- | SPMODE_PM(0xF) | SPMODE_REV | SPMODE_LOOP);
+ if (cs->hw_mode != regval) {
+ unsigned long flags;
+ void *tmp_ptr = &mpc83xx_spi->base->mode;
- if (spi->mode & SPI_CPHA)
- regval |= SPMODE_CP_BEGIN_EDGECLK;
- if (spi->mode & SPI_CPOL)
- regval |= SPMODE_CI_INACTIVEHIGH;
- if (!(spi->mode & SPI_LSB_FIRST))
- regval |= SPMODE_REV;
- if (spi->mode & SPI_LOOP)
- regval |= SPMODE_LOOP;
-
- regval |= SPMODE_LEN(len);
-
- if ((mpc83xx_spi->spibrg / spi->max_speed_hz) >= 64) {
- pm = mpc83xx_spi->spibrg / (spi->max_speed_hz * 64) - 1;
- if (pm > 0x0f) {
- dev_err(&spi->dev, "Requested speed is too "
- "low: %d Hz. Will use %d Hz instead.\n",
- spi->max_speed_hz,
- mpc83xx_spi->spibrg / 1024);
- pm = 0x0f;
- }
- regval |= SPMODE_PM(pm) | SPMODE_DIV16;
- } else {
- pm = mpc83xx_spi->spibrg / (spi->max_speed_hz * 4);
- if (pm)
- pm--;
- regval |= SPMODE_PM(pm);
+ regval = cs->hw_mode;
+ /* Turn off IRQs locally to minimize time that
+ * SPI is disabled
+ */
+ local_irq_save(flags);
+ /* Turn off SPI unit prior changing mode */
+ mpc83xx_spi_write_reg(tmp_ptr, regval & ~SPMODE_ENABLE);
+ mpc83xx_spi_write_reg(tmp_ptr, regval);
+ local_irq_restore(flags);
}
-
- /* Turn off SPI unit prior changing mode */
- mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, 0);
- mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval);
if (mpc83xx_spi->activate_cs)
mpc83xx_spi->activate_cs(spi->chip_select, pol);
}
@@ -201,8 +194,9 @@
{
struct mpc83xx_spi *mpc83xx_spi;
u32 regval;
- u8 bits_per_word;
+ u8 bits_per_word, pm;
u32 hz;
+ struct spi_mpc83xx_cs *cs = spi->controller_state;
mpc83xx_spi = spi_master_get_devdata(spi->master);
@@ -223,122 +217,106 @@
|| ((bits_per_word > 16) && (bits_per_word != 32)))
return -EINVAL;
- mpc83xx_spi->rx_shift = 0;
- mpc83xx_spi->tx_shift = 0;
+ if (!hz)
+ hz = spi->max_speed_hz;
+
+ cs->rx_shift = 0;
+ cs->tx_shift = 0;
if (bits_per_word <= 8) {
- mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u8;
- mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u8;
+ cs->get_rx = mpc83xx_spi_rx_buf_u8;
+ cs->get_tx = mpc83xx_spi_tx_buf_u8;
if (mpc83xx_spi->qe_mode) {
- mpc83xx_spi->rx_shift = 16;
- mpc83xx_spi->tx_shift = 24;
+ cs->rx_shift = 16;
+ cs->tx_shift = 24;
}
} else if (bits_per_word <= 16) {
- mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u16;
- mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u16;
+ cs->get_rx = mpc83xx_spi_rx_buf_u16;
+ cs->get_tx = mpc83xx_spi_tx_buf_u16;
if (mpc83xx_spi->qe_mode) {
- mpc83xx_spi->rx_shift = 16;
- mpc83xx_spi->tx_shift = 16;
+ cs->rx_shift = 16;
+ cs->tx_shift = 16;
}
} else if (bits_per_word <= 32) {
- mpc83xx_spi->get_rx = mpc83xx_spi_rx_buf_u32;
- mpc83xx_spi->get_tx = mpc83xx_spi_tx_buf_u32;
+ cs->get_rx = mpc83xx_spi_rx_buf_u32;
+ cs->get_tx = mpc83xx_spi_tx_buf_u32;
} else
return -EINVAL;
if (mpc83xx_spi->qe_mode && spi->mode & SPI_LSB_FIRST) {
- mpc83xx_spi->tx_shift = 0;
+ cs->tx_shift = 0;
if (bits_per_word <= 8)
- mpc83xx_spi->rx_shift = 8;
+ cs->rx_shift = 8;
else
- mpc83xx_spi->rx_shift = 0;
+ cs->rx_shift = 0;
}
- /* nsecs = (clock period)/2 */
- if (!hz)
- hz = spi->max_speed_hz;
- mpc83xx_spi->nsecs = (1000000000 / 2) / hz;
- if (mpc83xx_spi->nsecs > MAX_UDELAY_MS * 1000)
- return -EINVAL;
+ mpc83xx_spi->rx_shift = cs->rx_shift;
+ mpc83xx_spi->tx_shift = cs->tx_shift;
+ mpc83xx_spi->get_rx = cs->get_rx;
+ mpc83xx_spi->get_tx = cs->get_tx;
if (bits_per_word == 32)
bits_per_word = 0;
else
bits_per_word = bits_per_word - 1;
- regval = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
-
/* mask out bits we are going to set */
- regval &= ~(SPMODE_LEN(0xF) | SPMODE_REV);
- regval |= SPMODE_LEN(bits_per_word);
- if (!(spi->mode & SPI_LSB_FIRST))
- regval |= SPMODE_REV;
+ cs->hw_mode &= ~(SPMODE_LEN(0xF) | SPMODE_DIV16
+ | SPMODE_PM(0xF));
- /* Turn off SPI unit prior changing mode */
- mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, 0);
- mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval);
+ cs->hw_mode |= SPMODE_LEN(bits_per_word);
- return 0;
-}
-
-/* the spi->mode bits understood by this driver: */
-#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH \
- | SPI_LSB_FIRST | SPI_LOOP)
-
-static int mpc83xx_spi_setup(struct spi_device *spi)
-{
- struct spi_bitbang *bitbang;
- struct mpc83xx_spi *mpc83xx_spi;
- int retval;
-
- if (spi->mode & ~MODEBITS) {
- dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n",
- spi->mode & ~MODEBITS);
- return -EINVAL;
+ if ((mpc83xx_spi->spibrg / hz) >= 64) {
+ pm = mpc83xx_spi->spibrg / (hz * 64) - 1;
+ if (pm > 0x0f) {
+ dev_err(&spi->dev, "Requested speed is too "
+ "low: %d Hz. Will use %d Hz instead.\n",
+ hz, mpc83xx_spi->spibrg / 1024);
+ pm = 0x0f;
+ }
+ cs->hw_mode |= SPMODE_PM(pm) | SPMODE_DIV16;
+ } else {
+ pm = mpc83xx_spi->spibrg / (hz * 4);
+ if (pm)
+ pm--;
+ cs->hw_mode |= SPMODE_PM(pm);
}
+ regval = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
+ if (cs->hw_mode != regval) {
+ unsigned long flags;
+ void *tmp_ptr = &mpc83xx_spi->base->mode;
- if (!spi->max_speed_hz)
- return -EINVAL;
-
- bitbang = spi_master_get_devdata(spi->master);
- mpc83xx_spi = spi_master_get_devdata(spi->master);
-
- if (!spi->bits_per_word)
- spi->bits_per_word = 8;
-
- retval = mpc83xx_spi_setup_transfer(spi, NULL);
- if (retval < 0)
- return retval;
-
- dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u nsec\n",
- __func__, spi->mode & (SPI_CPOL | SPI_CPHA),
- spi->bits_per_word, 2 * mpc83xx_spi->nsecs);
-
- /* NOTE we _need_ to call chipselect() early, ideally with adapter
- * setup, unless the hardware defaults cooperate to avoid confusion
- * between normal (active low) and inverted chipselects.
- */
-
- /* deselect chip (low or high) */
- spin_lock(&bitbang->lock);
- if (!bitbang->busy) {
- bitbang->chipselect(spi, BITBANG_CS_INACTIVE);
- ndelay(mpc83xx_spi->nsecs);
+ regval = cs->hw_mode;
+ /* Turn off IRQs locally to minimize time
+ * that SPI is disabled
+ */
+ local_irq_save(flags);
+ /* Turn off SPI unit prior changing mode */
+ mpc83xx_spi_write_reg(tmp_ptr, regval & ~SPMODE_ENABLE);
+ mpc83xx_spi_write_reg(tmp_ptr, regval);
+ local_irq_restore(flags);
}
- spin_unlock(&bitbang->lock);
-
return 0;
}
static int mpc83xx_spi_bufs(struct spi_device *spi, struct spi_transfer *t)
{
struct mpc83xx_spi *mpc83xx_spi;
- u32 word;
+ u32 word, len, bits_per_word;
mpc83xx_spi = spi_master_get_devdata(spi->master);
mpc83xx_spi->tx = t->tx_buf;
mpc83xx_spi->rx = t->rx_buf;
- mpc83xx_spi->count = t->len;
+ bits_per_word = spi->bits_per_word;
+ if (t->bits_per_word)
+ bits_per_word = t->bits_per_word;
+ len = t->len;
+ if (bits_per_word > 8)
+ len /= 2;
+ if (bits_per_word > 16)
+ len /= 2;
+ mpc83xx_spi->count = len;
INIT_COMPLETION(mpc83xx_spi->done);
/* enable rx ints */
@@ -353,7 +331,147 @@
/* disable rx ints */
mpc83xx_spi_write_reg(&mpc83xx_spi->base->mask, 0);
- return t->len - mpc83xx_spi->count;
+ return mpc83xx_spi->count;
+}
+
+static void mpc83xx_spi_work(struct work_struct *work)
+{
+ struct mpc83xx_spi *mpc83xx_spi =
+ container_of(work, struct mpc83xx_spi, work);
+
+ spin_lock_irq(&mpc83xx_spi->lock);
+ mpc83xx_spi->busy = 1;
+ while (!list_empty(&mpc83xx_spi->queue)) {
+ struct spi_message *m;
+ struct spi_device *spi;
+ struct spi_transfer *t = NULL;
+ unsigned cs_change;
+ int status, nsecs = 50;
+
+ m = container_of(mpc83xx_spi->queue.next,
+ struct spi_message, queue);
+ list_del_init(&m->queue);
+ spin_unlock_irq(&mpc83xx_spi->lock);
+
+ spi = m->spi;
+ cs_change = 1;
+ status = 0;
+ list_for_each_entry(t, &m->transfers, transfer_list) {
+ if (t->bits_per_word || t->speed_hz) {
+ /* Don't allow changes if CS is active */
+ status = -EINVAL;
+
+ if (cs_change)
+ status = mpc83xx_spi_setup_transfer(spi, t);
+ if (status < 0)
+ break;
+ }
+
+ if (cs_change)
+ mpc83xx_spi_chipselect(spi, BITBANG_CS_ACTIVE);
+ cs_change = t->cs_change;
+ if (t->len)
+ status = mpc83xx_spi_bufs(spi, t);
+ if (status) {
+ status = -EMSGSIZE;
+ break;
+ }
+ m->actual_length += t->len;
+
+ if (t->delay_usecs)
+ udelay(t->delay_usecs);
+
+ if (cs_change) {
+ ndelay(nsecs);
+ mpc83xx_spi_chipselect(spi, BITBANG_CS_INACTIVE);
+ ndelay(nsecs);
+ }
+ }
+
+ m->status = status;
+ m->complete(m->context);
+
+ if (status || !cs_change) {
+ ndelay(nsecs);
+ mpc83xx_spi_chipselect(spi, BITBANG_CS_INACTIVE);
+ }
+
+ mpc83xx_spi_setup_transfer(spi, NULL);
+
+ spin_lock_irq(&mpc83xx_spi->lock);
+ }
+ mpc83xx_spi->busy = 0;
+ spin_unlock_irq(&mpc83xx_spi->lock);
+}
+
+/* the spi->mode bits understood by this driver: */
+#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH \
+ | SPI_LSB_FIRST | SPI_LOOP)
+
+static int mpc83xx_spi_setup(struct spi_device *spi)
+{
+ struct mpc83xx_spi *mpc83xx_spi;
+ int retval;
+ u32 hw_mode;
+ struct spi_mpc83xx_cs *cs = spi->controller_state;
+
+ if (spi->mode & ~MODEBITS) {
+ dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n",
+ spi->mode & ~MODEBITS);
+ return -EINVAL;
+ }
+
+ if (!spi->max_speed_hz)
+ return -EINVAL;
+
+ if (!cs) {
+ cs = kzalloc(sizeof *cs, GFP_KERNEL);
+ if (!cs)
+ return -ENOMEM;
+ spi->controller_state = cs;
+ }
+ mpc83xx_spi = spi_master_get_devdata(spi->master);
+
+ if (!spi->bits_per_word)
+ spi->bits_per_word = 8;
+
+ hw_mode = cs->hw_mode; /* Save orginal settings */
+ cs->hw_mode = mpc83xx_spi_read_reg(&mpc83xx_spi->base->mode);
+ /* mask out bits we are going to set */
+ cs->hw_mode &= ~(SPMODE_CP_BEGIN_EDGECLK | SPMODE_CI_INACTIVEHIGH
+ | SPMODE_REV | SPMODE_LOOP);
+
+ if (spi->mode & SPI_CPHA)
+ cs->hw_mode |= SPMODE_CP_BEGIN_EDGECLK;
+ if (spi->mode & SPI_CPOL)
+ cs->hw_mode |= SPMODE_CI_INACTIVEHIGH;
+ if (!(spi->mode & SPI_LSB_FIRST))
+ cs->hw_mode |= SPMODE_REV;
+ if (spi->mode & SPI_LOOP)
+ cs->hw_mode |= SPMODE_LOOP;
+
+ retval = mpc83xx_spi_setup_transfer(spi, NULL);
+ if (retval < 0) {
+ cs->hw_mode = hw_mode; /* Restore settings */
+ return retval;
+ }
+
+ dev_dbg(&spi->dev, "%s, mode %d, %u bits/w, %u Hz\n",
+ __func__, spi->mode & (SPI_CPOL | SPI_CPHA),
+ spi->bits_per_word, spi->max_speed_hz);
+#if 0 /* Don't think this is needed */
+ /* NOTE we _need_ to call chipselect() early, ideally with adapter
+ * setup, unless the hardware defaults cooperate to avoid confusion
+ * between normal (active low) and inverted chipselects.
+ */
+
+ /* deselect chip (low or high) */
+ spin_lock(&mpc83xx_spi->lock);
+ if (!mpc83xx_spi->busy)
+ mpc83xx_spi_chipselect(spi, BITBANG_CS_INACTIVE);
+ spin_unlock(&mpc83xx_spi->lock);
+#endif
+ return 0;
}
irqreturn_t mpc83xx_spi_irq(s32 irq, void *context_data)
@@ -395,6 +513,28 @@
return ret;
}
+static int mpc83xx_spi_transfer(struct spi_device *spi,
+ struct spi_message *m)
+{
+ struct mpc83xx_spi *mpc83xx_spi = spi_master_get_devdata(spi->master);
+ unsigned long flags;
+
+ m->actual_length = 0;
+ m->status = -EINPROGRESS;
+
+ spin_lock_irqsave(&mpc83xx_spi->lock, flags);
+ list_add_tail(&m->queue, &mpc83xx_spi->queue);
+ queue_work(mpc83xx_spi->workqueue, &mpc83xx_spi->work);
+ spin_unlock_irqrestore(&mpc83xx_spi->lock, flags);
+
+ return 0;
+}
+
+
+static void mpc83xx_spi_cleanup(struct spi_device *spi)
+{
+ kfree(spi->controller_state);
+}
static int __init mpc83xx_spi_probe(struct platform_device *dev)
{
@@ -426,11 +566,11 @@
ret = -ENODEV;
goto free_master;
}
+ master->setup = mpc83xx_spi_setup;
+ master->transfer = mpc83xx_spi_transfer;
+ master->cleanup = mpc83xx_spi_cleanup;
+
mpc83xx_spi = spi_master_get_devdata(master);
- mpc83xx_spi->bitbang.master = spi_master_get(master);
- mpc83xx_spi->bitbang.chipselect = mpc83xx_spi_chipselect;
- mpc83xx_spi->bitbang.setup_transfer = mpc83xx_spi_setup_transfer;
- mpc83xx_spi->bitbang.txrx_bufs = mpc83xx_spi_bufs;
mpc83xx_spi->activate_cs = pdata->activate_cs;
mpc83xx_spi->deactivate_cs = pdata->deactivate_cs;
mpc83xx_spi->qe_mode = pdata->qe_mode;
@@ -445,7 +585,6 @@
mpc83xx_spi->tx_shift = 24;
}
- mpc83xx_spi->bitbang.master->setup = mpc83xx_spi_setup;
init_completion(&mpc83xx_spi->done);
mpc83xx_spi->base = ioremap(r->start, r->end - r->start + 1);
@@ -483,11 +622,21 @@
regval |= SPMODE_OP;
mpc83xx_spi_write_reg(&mpc83xx_spi->base->mode, regval);
+ spin_lock_init(&mpc83xx_spi->lock);
+ init_completion(&mpc83xx_spi->done);
+ INIT_WORK(&mpc83xx_spi->work, mpc83xx_spi_work);
+ INIT_LIST_HEAD(&mpc83xx_spi->queue);
- ret = spi_bitbang_start(&mpc83xx_spi->bitbang);
-
- if (ret != 0)
+ mpc83xx_spi->workqueue = create_singlethread_workqueue(
+ master->dev.parent->bus_id);
+ if (mpc83xx_spi->workqueue == NULL) {
+ ret = -EBUSY;
goto free_irq;
+ }
+
+ ret = spi_register_master(master);
+ if (ret < 0)
+ goto unreg_master;
printk(KERN_INFO
"%s: MPC83xx SPI Controller driver at 0x%p (irq = %d)\n",
@@ -495,6 +644,8 @@
return ret;
+unreg_master:
+ destroy_workqueue(mpc83xx_spi->workqueue);
free_irq:
free_irq(mpc83xx_spi->irq, mpc83xx_spi);
unmap_io:
@@ -515,10 +666,12 @@
master = platform_get_drvdata(dev);
mpc83xx_spi = spi_master_get_devdata(master);
- spi_bitbang_stop(&mpc83xx_spi->bitbang);
+ flush_workqueue(mpc83xx_spi->workqueue);
+ destroy_workqueue(mpc83xx_spi->workqueue);
+ spi_unregister_master(master);
+
free_irq(mpc83xx_spi->irq, mpc83xx_spi);
iounmap(mpc83xx_spi->base);
- spi_master_put(mpc83xx_spi->bitbang.master);
return 0;
}
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index bb1dada..2cdaf1f 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -171,7 +171,6 @@
config FB_DEFERRED_IO
bool
depends on FB
- default y
config FB_METRONOME
tristate
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 8ffdf35..b004036 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -441,14 +441,15 @@
value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock));
- value = (value / 2) - 1;
- dev_dbg(info->device, " * programming CLKVAL = 0x%08lx\n", value);
-
- if (value <= 0) {
+ if (value < 2) {
dev_notice(info->device, "Bypassing pixel clock divider\n");
lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS);
} else {
- lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET);
+ value = (value / 2) - 1;
+ dev_dbg(info->device, " * programming CLKVAL = 0x%08lx\n",
+ value);
+ lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1,
+ value << ATMEL_LCDC_CLKVAL_OFFSET);
info->var.pixclock = KHZ2PICOS(clk_value_khz / (2 * (value + 1)));
dev_dbg(info->device, " updated pixclk: %lu KHz\n",
PICOS2KHZ(info->var.pixclock));
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index ad31983..5fa8b76 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -1853,6 +1853,8 @@
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
struct display *p = &fb_display[vc->vc_num];
int scroll_partial = info->flags & FBINFO_PARTIAL_PAN_OK;
+ unsigned short saved_ec;
+ int ret;
if (fbcon_is_inactive(vc, info))
return -EINVAL;
@@ -1865,6 +1867,11 @@
* whole screen (prevents flicker).
*/
+ saved_ec = vc->vc_video_erase_char;
+ vc->vc_video_erase_char = vc->vc_scrl_erase_char;
+
+ ret = 0;
+
switch (dir) {
case SM_UP:
if (count > vc->vc_rows) /* Maximum realistic size */
@@ -1883,7 +1890,7 @@
(b - count)),
vc->vc_scrl_erase_char,
vc->vc_size_row * count);
- return 1;
+ ret = 1;
break;
case SCROLL_WRAP_MOVE:
@@ -1955,7 +1962,8 @@
(b - count)),
vc->vc_scrl_erase_char,
vc->vc_size_row * count);
- return 1;
+ ret = 1;
+ break;
}
break;
@@ -1974,7 +1982,7 @@
t),
vc->vc_scrl_erase_char,
vc->vc_size_row * count);
- return 1;
+ ret = 1;
break;
case SCROLL_WRAP_MOVE:
@@ -2044,10 +2052,13 @@
t),
vc->vc_scrl_erase_char,
vc->vc_size_row * count);
- return 1;
+ ret = 1;
+ break;
}
+ break;
}
- return 0;
+ vc->vc_video_erase_char = saved_ec;
+ return ret;
}
@@ -2507,6 +2518,9 @@
c = vc->vc_video_erase_char;
vc->vc_video_erase_char =
((c & 0xfe00) >> 1) | (c & 0xff);
+ c = vc->vc_def_color;
+ vc->vc_scrl_erase_char =
+ ((c & 0xFE00) >> 1) | (c & 0xFF);
vc->vc_attr >>= 1;
}
} else if (!vc->vc_hi_font_mask && cnt == 512) {
@@ -2537,9 +2551,14 @@
if (vc->vc_can_do_color) {
vc->vc_video_erase_char =
((c & 0xff00) << 1) | (c & 0xff);
+ c = vc->vc_def_color;
+ vc->vc_scrl_erase_char =
+ ((c & 0xFF00) << 1) | (c & 0xFF);
vc->vc_attr <<= 1;
- } else
+ } else {
vc->vc_video_erase_char = c & ~0x100;
+ vc->vc_scrl_erase_char = c & ~0x100;
+ }
}
}
diff --git a/drivers/video/pnx4008/pnxrgbfb.c b/drivers/video/pnx4008/pnxrgbfb.c
index 685761a..4db6b48 100644
--- a/drivers/video/pnx4008/pnxrgbfb.c
+++ b/drivers/video/pnx4008/pnxrgbfb.c
@@ -100,7 +100,6 @@
fb_dealloc_cmap(&info->cmap);
framebuffer_release(info);
platform_set_drvdata(pdev, NULL);
- kfree(info);
}
pnx4008_free_dum_channel(channel_owned, pdev->id);
@@ -168,23 +167,21 @@
ret = fb_alloc_cmap(&info->cmap, 256, 0);
if (ret < 0)
- goto err2;
+ goto err1;
ret = register_framebuffer(info);
if (ret < 0)
- goto err3;
+ goto err2;
platform_set_drvdata(pdev, info);
return 0;
-err3:
- fb_dealloc_cmap(&info->cmap);
err2:
- framebuffer_release(info);
+ fb_dealloc_cmap(&info->cmap);
err1:
pnx4008_free_dum_channel(channel_owned, pdev->id);
err0:
- kfree(info);
+ framebuffer_release(info);
err:
return ret;
}
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c
index bd54cd0..beefab2 100644
--- a/drivers/video/tridentfb.c
+++ b/drivers/video/tridentfb.c
@@ -27,7 +27,6 @@
#define VERSION "0.7.8-NEWAPI"
struct tridentfb_par {
- int vclk; /* in MHz */
void __iomem *io_virt; /* iospace virtual memory address */
};
@@ -669,27 +668,26 @@
(read3X4(CRTHiOrd) & 0xF8) | ((base & 0xE0000) >> 17));
}
-/* Use 20.12 fixed-point for NTSC value and frequency calculation */
-#define calc_freq(n, m, k) ( ((unsigned long)0xE517 * (n + 8) / ((m + 2) * (1 << k))) >> 12 )
-
/* Set dotclock frequency */
-static void set_vclk(int freq)
+static void set_vclk(unsigned long freq)
{
int m, n, k;
- int f, fi, d, di;
+ unsigned long f, fi, d, di;
unsigned char lo = 0, hi = 0;
- d = 20;
+ d = 20000;
for (k = 2; k >= 0; k--)
for (m = 0; m < 63; m++)
for (n = 0; n < 128; n++) {
- fi = calc_freq(n, m, k);
+ fi = ((14318l * (n + 8)) / (m + 2)) >> k;
if ((di = abs(fi - freq)) < d) {
d = di;
f = fi;
lo = n;
hi = (k << 6) | m;
}
+ if (fi > freq)
+ break;
}
if (chip3D) {
write3C4(ClockHigh, hi);
@@ -888,6 +886,8 @@
struct fb_var_screeninfo *var = &info->var;
int bpp = var->bits_per_pixel;
unsigned char tmp;
+ unsigned long vclk;
+
debug("enter\n");
hdispend = var->xres / 8 - 1;
hsyncstart = (var->xres + var->right_margin) / 8;
@@ -905,7 +905,6 @@
vblankstart = var->yres;
vblankend = vtotal + 2;
- enable_mmio();
crtc_unlock();
write3CE(CyberControl, 8);
@@ -1015,11 +1014,11 @@
write3X4(Performance, 0x92);
write3X4(PCIReg, 0x07); /* MMIO & PCI read and write burst enable */
- /* convert from picoseconds to MHz */
- par->vclk = 1000000 / info->var.pixclock;
+ /* convert from picoseconds to kHz */
+ vclk = PICOS2KHZ(info->var.pixclock);
if (bpp == 32)
- par->vclk *= 2;
- set_vclk(par->vclk);
+ vclk *= 2;
+ set_vclk(vclk);
write3C4(0, 3);
write3C4(1, 1); /* set char clock 8 dots wide */
diff --git a/fs/dquot.c b/fs/dquot.c
index dfba162..5ac77da 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1491,6 +1491,16 @@
/* We need to serialize quota_off() for device */
mutex_lock(&dqopt->dqonoff_mutex);
+
+ /*
+ * Skip everything if there's nothing to do. We have to do this because
+ * sometimes we are called when fill_super() failed and calling
+ * sync_fs() in such cases does no good.
+ */
+ if (!sb_any_quota_enabled(sb) && !sb_any_quota_suspended(sb)) {
+ mutex_unlock(&dqopt->dqonoff_mutex);
+ return 0;
+ }
for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
toputinode[cnt] = NULL;
if (type != -1 && cnt != type)
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 0a13973..c92cc1c 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -37,17 +37,11 @@
{
struct dentry *dir;
- dir = dget(dentry->d_parent);
+ dir = dget_parent(dentry);
mutex_lock_nested(&(dir->d_inode->i_mutex), I_MUTEX_PARENT);
return dir;
}
-static void unlock_parent(struct dentry *dentry)
-{
- mutex_unlock(&(dentry->d_parent->d_inode->i_mutex));
- dput(dentry->d_parent);
-}
-
static void unlock_dir(struct dentry *dir)
{
mutex_unlock(&dir->d_inode->i_mutex);
@@ -426,8 +420,9 @@
int rc = 0;
struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry);
struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir);
+ struct dentry *lower_dir_dentry;
- lock_parent(lower_dentry);
+ lower_dir_dentry = lock_parent(lower_dentry);
rc = vfs_unlink(lower_dir_inode, lower_dentry);
if (rc) {
printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc);
@@ -439,7 +434,7 @@
dentry->d_inode->i_ctime = dir->i_ctime;
d_drop(dentry);
out_unlock:
- unlock_parent(lower_dentry);
+ unlock_dir(lower_dir_dentry);
return rc;
}
diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
index 788995e..6560da1 100644
--- a/fs/ecryptfs/miscdev.c
+++ b/fs/ecryptfs/miscdev.c
@@ -257,12 +257,14 @@
mutex_lock(&daemon->mux);
if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) {
rc = 0;
+ mutex_unlock(&ecryptfs_daemon_hash_mux);
printk(KERN_WARNING "%s: Attempt to read from zombified "
"daemon\n", __func__);
goto out_unlock_daemon;
}
if (daemon->flags & ECRYPTFS_DAEMON_IN_READ) {
rc = 0;
+ mutex_unlock(&ecryptfs_daemon_hash_mux);
goto out_unlock_daemon;
}
/* This daemon will not go away so long as this flag is set */
diff --git a/fs/exec.c b/fs/exec.c
index aeaa979..1f8a24a 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -736,7 +736,7 @@
tsk->active_mm = mm;
activate_mm(active_mm, mm);
task_unlock(tsk);
- mm_update_next_owner(mm);
+ mm_update_next_owner(old_mm);
arch_pick_mmap_layout(mm);
if (old_mm) {
up_read(&old_mm->mmap_sem);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index fbec2ef..b128bdc 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2639,8 +2639,7 @@
struct proc_dir_entry *proc;
char devname[64];
- snprintf(devname, sizeof(devname) - 1, "%s",
- bdevname(sb->s_bdev, devname));
+ bdevname(sb->s_bdev, devname);
sbi->s_mb_proc = proc_mkdir(devname, proc_root_ext4);
MB_PROC_HANDLER(EXT4_MB_STATS_NAME, stats);
@@ -2674,8 +2673,7 @@
if (sbi->s_mb_proc == NULL)
return -EINVAL;
- snprintf(devname, sizeof(devname) - 1, "%s",
- bdevname(sb->s_bdev, devname));
+ bdevname(sb->s_bdev, devname);
remove_proc_entry(EXT4_MB_GROUP_PREALLOC, sbi->s_mb_proc);
remove_proc_entry(EXT4_MB_STREAM_REQ, sbi->s_mb_proc);
remove_proc_entry(EXT4_MB_ORDER2_REQ, sbi->s_mb_proc);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index f28cf8b..8092f0d 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -804,6 +804,8 @@
if (offset == PAGE_CACHE_SIZE)
offset = 0;
+ if (!fc->big_writes)
+ break;
} while (iov_iter_count(ii) && count < fc->max_write &&
req->num_pages < FUSE_MAX_PAGES_PER_REQ && offset == 0);
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index dadffa2..bae9486 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -404,6 +404,9 @@
/** Is bmap not implemented by fs? */
unsigned no_bmap : 1;
+ /** Do multi-page cached writes */
+ unsigned big_writes : 1;
+
/** The number of requests waiting for completion */
atomic_t num_waiting;
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 79b6158..fb77e09 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -576,6 +576,8 @@
fc->no_lock = 1;
if (arg->flags & FUSE_ATOMIC_O_TRUNC)
fc->atomic_o_trunc = 1;
+ if (arg->flags & FUSE_BIG_WRITES)
+ fc->big_writes = 1;
} else {
ra_pages = fc->max_read / PAGE_CACHE_SIZE;
fc->no_lock = 1;
@@ -599,7 +601,8 @@
arg->major = FUSE_KERNEL_VERSION;
arg->minor = FUSE_KERNEL_MINOR_VERSION;
arg->max_readahead = fc->bdi.ra_pages * PAGE_CACHE_SIZE;
- arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC;
+ arg->flags |= FUSE_ASYNC_READ | FUSE_POSIX_LOCKS | FUSE_ATOMIC_O_TRUNC |
+ FUSE_BIG_WRITES;
req->in.h.opcode = FUSE_INIT;
req->in.numargs = 1;
req->in.args[0].size = sizeof(*arg);
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index d53b2af..67e1c8b 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -65,6 +65,8 @@
BUG();
return 0;
}
+ if (!tree)
+ return 0;
if (tree->node_size >= PAGE_CACHE_SIZE) {
nidx = page->index >> (tree->node_size_shift - PAGE_CACHE_SHIFT);
spin_lock(&tree->hash_lock);
diff --git a/fs/hppfs/Makefile b/fs/hppfs/Makefile
index 6890433..8a1f503 100644
--- a/fs/hppfs/Makefile
+++ b/fs/hppfs/Makefile
@@ -1,9 +1,9 @@
#
-# Copyright (C) 2002, 2003 Jeff Dike (jdike@karaya.com)
+# Copyright (C) 2002 - 2008 Jeff Dike (jdike@{addtoit,linux.intel}.com)
# Licensed under the GPL
#
-hppfs-objs := hppfs_kern.o
+hppfs-objs := hppfs.o
obj-y =
-obj-$(CONFIG_HPPFS) += hppfs.o
+obj-$(CONFIG_HPPFS) += $(hppfs-objs)
diff --git a/fs/hppfs/hppfs_kern.c b/fs/hppfs/hppfs.c
similarity index 91%
rename from fs/hppfs/hppfs_kern.c
rename to fs/hppfs/hppfs.c
index 8601d8e..65077aa 100644
--- a/fs/hppfs/hppfs_kern.c
+++ b/fs/hppfs/hppfs.c
@@ -33,7 +33,7 @@
};
struct hppfs_inode_info {
- struct dentry *proc_dentry;
+ struct dentry *proc_dentry;
struct inode vfs_inode;
};
@@ -52,7 +52,7 @@
int i;
sb = dentry->d_sb;
- if ((sb->s_op != &hppfs_sbops) || (dentry->d_parent != sb->s_root))
+ if (dentry->d_parent != sb->s_root)
return 0;
for (i = 0; i < dentry->d_name.len; i++) {
@@ -136,7 +136,7 @@
}
static struct dentry *hppfs_lookup(struct inode *ino, struct dentry *dentry,
- struct nameidata *nd)
+ struct nameidata *nd)
{
struct dentry *proc_dentry, *new, *parent;
struct inode *inode;
@@ -254,6 +254,8 @@
int err;
if (hppfs->contents != NULL) {
+ int rem;
+
if (*ppos >= hppfs->len)
return 0;
@@ -267,8 +269,10 @@
if (off + count > hppfs->len)
count = hppfs->len - off;
- copy_to_user(buf, &data->contents[off], count);
- *ppos += count;
+ rem = copy_to_user(buf, &data->contents[off], count);
+ *ppos += count - rem;
+ if (rem > 0)
+ return -EFAULT;
} else if (hppfs->host_fd != -1) {
err = os_seek_file(hppfs->host_fd, *ppos);
if (err) {
@@ -285,21 +289,15 @@
return count;
}
-static ssize_t hppfs_write(struct file *file, const char __user *buf, size_t len,
- loff_t *ppos)
+static ssize_t hppfs_write(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos)
{
struct hppfs_private *data = file->private_data;
struct file *proc_file = data->proc_file;
ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
- int err;
write = proc_file->f_path.dentry->d_inode->i_fop->write;
-
- proc_file->f_pos = file->f_pos;
- err = (*write)(proc_file, buf, len, &proc_file->f_pos);
- file->f_pos = proc_file->f_pos;
-
- return err;
+ return (*write)(proc_file, buf, len, ppos);
}
static int open_host_sock(char *host_file, int *filter_out)
@@ -357,7 +355,7 @@
if (filter) {
while ((n = read_proc(proc_file, data->contents,
- sizeof(data->contents), NULL, 0)) > 0)
+ sizeof(data->contents), NULL, 0)) > 0)
os_write_file(fd, data->contents, n);
err = os_shutdown_socket(fd, 0, 1);
if (err) {
@@ -429,8 +427,8 @@
static int hppfs_open(struct inode *inode, struct file *file)
{
struct hppfs_private *data;
- struct dentry *proc_dentry;
struct vfsmount *proc_mnt;
+ struct dentry *proc_dentry;
char *host_file;
int err, fd, type, filter;
@@ -492,8 +490,8 @@
static int hppfs_dir_open(struct inode *inode, struct file *file)
{
struct hppfs_private *data;
- struct dentry *proc_dentry;
struct vfsmount *proc_mnt;
+ struct dentry *proc_dentry;
int err;
err = -ENOMEM;
@@ -620,6 +618,9 @@
void hppfs_delete_inode(struct inode *ino)
{
+ dput(HPPFS_I(ino)->proc_dentry);
+ mntput(ino->i_sb->s_fs_info);
+
clear_inode(ino);
}
@@ -628,69 +629,46 @@
kfree(HPPFS_I(inode));
}
-static void hppfs_put_super(struct super_block *sb)
-{
- mntput(sb->s_fs_info);
-}
-
static const struct super_operations hppfs_sbops = {
.alloc_inode = hppfs_alloc_inode,
.destroy_inode = hppfs_destroy_inode,
.delete_inode = hppfs_delete_inode,
.statfs = hppfs_statfs,
- .put_super = hppfs_put_super,
};
static int hppfs_readlink(struct dentry *dentry, char __user *buffer,
int buflen)
{
- struct file *proc_file;
struct dentry *proc_dentry;
- struct vfsmount *proc_mnt;
- int ret;
proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
- proc_mnt = dentry->d_sb->s_fs_info;
-
- proc_file = dentry_open(dget(proc_dentry), mntget(proc_mnt), O_RDONLY);
- if (IS_ERR(proc_file))
- return PTR_ERR(proc_file);
-
- ret = proc_dentry->d_inode->i_op->readlink(proc_dentry, buffer, buflen);
-
- fput(proc_file);
-
- return ret;
+ return proc_dentry->d_inode->i_op->readlink(proc_dentry, buffer,
+ buflen);
}
-static void* hppfs_follow_link(struct dentry *dentry, struct nameidata *nd)
+static void *hppfs_follow_link(struct dentry *dentry, struct nameidata *nd)
{
- struct file *proc_file;
struct dentry *proc_dentry;
- struct vfsmount *proc_mnt;
- void *ret;
proc_dentry = HPPFS_I(dentry->d_inode)->proc_dentry;
- proc_mnt = dentry->d_sb->s_fs_info;
- proc_file = dentry_open(dget(proc_dentry), mntget(proc_mnt), O_RDONLY);
- if (IS_ERR(proc_file))
- return proc_file;
+ return proc_dentry->d_inode->i_op->follow_link(proc_dentry, nd);
+}
- ret = proc_dentry->d_inode->i_op->follow_link(proc_dentry, nd);
-
- fput(proc_file);
-
- return ret;
+int hppfs_permission(struct inode *inode, int mask, struct nameidata *nd)
+{
+ return generic_permission(inode, mask, NULL);
}
static const struct inode_operations hppfs_dir_iops = {
.lookup = hppfs_lookup,
+ .permission = hppfs_permission,
};
static const struct inode_operations hppfs_link_iops = {
.readlink = hppfs_readlink,
.follow_link = hppfs_follow_link,
+ .permission = hppfs_permission,
};
static struct inode *get_inode(struct super_block *sb, struct dentry *dentry)
@@ -712,7 +690,7 @@
inode->i_fop = &hppfs_file_fops;
}
- HPPFS_I(inode)->proc_dentry = dentry;
+ HPPFS_I(inode)->proc_dentry = dget(dentry);
inode->i_uid = proc_ino->i_uid;
inode->i_gid = proc_ino->i_gid;
@@ -725,7 +703,7 @@
inode->i_size = proc_ino->i_size;
inode->i_blocks = proc_ino->i_blocks;
- return 0;
+ return inode;
}
static int hppfs_fill_super(struct super_block *sb, void *d, int silent)
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index 53632e3..2e24567 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -901,7 +901,7 @@
{
char name[BDEVNAME_SIZE];
- snprintf(name, sizeof(name) - 1, "%s", bdevname(journal->j_dev, name));
+ bdevname(journal->j_dev, name);
journal->j_proc_entry = proc_mkdir(name, proc_jbd2_stats);
if (journal->j_proc_entry) {
proc_create_data("history", S_IRUGO, journal->j_proc_entry,
@@ -915,7 +915,7 @@
{
char name[BDEVNAME_SIZE];
- snprintf(name, sizeof(name) - 1, "%s", bdevname(journal->j_dev, name));
+ bdevname(journal->j_dev, name);
remove_proc_entry("info", journal->j_proc_entry);
remove_proc_entry("history", journal->j_proc_entry);
remove_proc_entry(name, proc_jbd2_stats);
diff --git a/fs/proc/array.c b/fs/proc/array.c
index dca997a..9e3b8c3 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -298,6 +298,7 @@
render_cap_t(m, "CapInh:\t", &p->cap_inheritable);
render_cap_t(m, "CapPrm:\t", &p->cap_permitted);
render_cap_t(m, "CapEff:\t", &p->cap_effective);
+ render_cap_t(m, "CapBnd:\t", &p->cap_bset);
}
static inline void task_context_switch_counts(struct seq_file *m,
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index 244a1aa..11c0351 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -107,7 +107,6 @@
/* inode.c */
extern struct inode *ufs_iget(struct super_block *, unsigned long);
-extern void ufs_put_inode (struct inode *);
extern int ufs_write_inode (struct inode *, int);
extern int ufs_sync_inode (struct inode *);
extern void ufs_delete_inode (struct inode *);
diff --git a/include/asm-um/irq.h b/include/asm-um/irq.h
index de389a4..4a2037f 100644
--- a/include/asm-um/irq.h
+++ b/include/asm-um/irq.h
@@ -15,8 +15,9 @@
#define SIGIO_WRITE_IRQ 11
#define TELNETD_IRQ 12
#define XTERM_IRQ 13
+#define RANDOM_IRQ 14
-#define LAST_IRQ XTERM_IRQ
+#define LAST_IRQ RANDOM_IRQ
#define NR_IRQS (LAST_IRQ + 1)
#endif
diff --git a/include/asm-um/keyboard.h b/include/asm-um/keyboard.h
deleted file mode 100644
index ee2e230..0000000
--- a/include/asm-um/keyboard.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __UM_KEYBOARD_H
-#define __UM_KEYBOARD_H
-
-#include "asm/arch/keyboard.h"
-
-#endif
diff --git a/include/asm-um/page.h b/include/asm-um/page.h
index 381f96b..916e1a6 100644
--- a/include/asm-um/page.h
+++ b/include/asm-um/page.h
@@ -7,16 +7,20 @@
#ifndef __UM_PAGE_H
#define __UM_PAGE_H
+#include <linux/const.h>
+
+/* PAGE_SHIFT determines the page size */
+#define PAGE_SHIFT 12
+#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
+#define PAGE_MASK (~(PAGE_SIZE-1))
+
+#ifndef __ASSEMBLY__
+
struct page;
#include <linux/types.h>
#include <asm/vm-flags.h>
-/* PAGE_SHIFT determines the page size */
-#define PAGE_SHIFT 12
-#define PAGE_SIZE (1UL << PAGE_SHIFT)
-#define PAGE_MASK (~(PAGE_SIZE-1))
-
/*
* These are used to make use of C type-checking..
*/
@@ -120,4 +124,5 @@
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
-#endif
+#endif /* __ASSEMBLY__ */
+#endif /* __UM_PAGE_H */
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 43b406d..1abfe66 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -110,7 +110,6 @@
extern int bitmap_scnprintf(char *buf, unsigned int len,
const unsigned long *src, int nbits);
-extern int bitmap_scnprintf_len(unsigned int len);
extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user,
unsigned long *dst, int nbits);
extern int bitmap_parse_user(const char __user *ubuf, unsigned int ulen,
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 9650806..5df3db5 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -289,13 +289,6 @@
return bitmap_scnprintf(buf, len, srcp->bits, nbits);
}
-#define cpumask_scnprintf_len(len) \
- __cpumask_scnprintf_len((len))
-static inline int __cpumask_scnprintf_len(int len)
-{
- return bitmap_scnprintf_len(len);
-}
-
#define cpumask_parse_user(ubuf, ulen, dst) \
__cpumask_parse_user((ubuf), (ulen), &(dst), NR_CPUS)
static inline int __cpumask_parse_user(const char __user *buf, int len,
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 5c86f11..d482821 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -109,6 +109,7 @@
#define FUSE_POSIX_LOCKS (1 << 1)
#define FUSE_FILE_OPS (1 << 2)
#define FUSE_ATOMIC_O_TRUNC (1 << 3)
+#define FUSE_BIG_WRITES (1 << 5)
/**
* Release flags
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index eb7c16c..02a27ae 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -226,8 +226,17 @@
rwlock_t ioctx_list_lock; /* aio lock */
struct kioctx *ioctx_list;
#ifdef CONFIG_MM_OWNER
- struct task_struct *owner; /* The thread group leader that */
- /* owns the mm_struct. */
+ /*
+ * "owner" points to a task that is regarded as the canonical
+ * user/owner of this mm. All of the following must be true in
+ * order for it to be changed:
+ *
+ * current == mm->owner
+ * current->mm != mm
+ * new_owner->mm == mm
+ * new_owner->alloc_lock is held
+ */
+ struct task_struct *owner;
#endif
#ifdef CONFIG_PROC_FS
diff --git a/init/main.c b/init/main.c
index ddada7a..f406fef 100644
--- a/init/main.c
+++ b/init/main.c
@@ -702,7 +702,6 @@
for (call = __initcall_start; call < __initcall_end; call++) {
ktime_t t0, t1, delta;
- char *msg = NULL;
char msgbuf[40];
int result;
@@ -724,22 +723,23 @@
(unsigned long long) delta.tv64 >> 20);
}
- if (result && result != -ENODEV && initcall_debug) {
- sprintf(msgbuf, "error code %d", result);
- msg = msgbuf;
- }
+ msgbuf[0] = 0;
+
+ if (result && result != -ENODEV && initcall_debug)
+ sprintf(msgbuf, "error code %d ", result);
+
if (preempt_count() != count) {
- msg = "preemption imbalance";
+ strncat(msgbuf, "preemption imbalance ", sizeof(msgbuf));
preempt_count() = count;
}
if (irqs_disabled()) {
- msg = "disabled interrupts";
+ strncat(msgbuf, "disabled interrupts ", sizeof(msgbuf));
local_irq_enable();
}
- if (msg) {
+ if (msgbuf[0]) {
print_fn_descriptor_symbol(KERN_WARNING "initcall %s()",
(unsigned long) *call);
- printk(" returned with %s\n", msg);
+ printk(" returned with %s\n", msgbuf);
}
}
diff --git a/lib/bitmap.c b/lib/bitmap.c
index c4cb48f..482df94 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -316,22 +316,6 @@
EXPORT_SYMBOL(bitmap_scnprintf);
/**
- * bitmap_scnprintf_len - return buffer length needed to convert
- * bitmap to an ASCII hex string.
- * @len: number of bits to be converted
- */
-int bitmap_scnprintf_len(unsigned int len)
-{
- /* we need 9 chars per word for 32 bit words (8 hexdigits + sep/null) */
- int bitslen = ALIGN(len, CHUNKSZ);
- int wordlen = CHUNKSZ / 4;
- int buflen = (bitslen / wordlen) * (wordlen + 1) * sizeof(char);
-
- return buflen;
-}
-EXPORT_SYMBOL(bitmap_scnprintf_len);
-
-/**
* __bitmap_parse - convert an ASCII hex string into a bitmap.
* @buf: pointer to buffer containing string.
* @buflen: buffer size in bytes. If string is smaller than this
diff --git a/mm/pdflush.c b/mm/pdflush.c
index 1c96cfc..9d834aa 100644
--- a/mm/pdflush.c
+++ b/mm/pdflush.c
@@ -207,7 +207,6 @@
spin_lock_irqsave(&pdflush_lock, flags);
if (list_empty(&pdflush_list)) {
- spin_unlock_irqrestore(&pdflush_lock, flags);
ret = -1;
} else {
struct pdflush_work *pdf;
@@ -219,8 +218,9 @@
pdf->fn = fn;
pdf->arg0 = arg0;
wake_up_process(pdf->who);
- spin_unlock_irqrestore(&pdflush_lock, flags);
}
+ spin_unlock_irqrestore(&pdflush_lock, flags);
+
return ret;
}
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 1a32130..db9eabb 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -41,7 +41,9 @@
*/
void all_vm_events(unsigned long *ret)
{
+ get_online_cpus();
sum_vm_events(ret, &cpu_online_map);
+ put_online_cpus();
}
EXPORT_SYMBOL_GPL(all_vm_events);