Merge tag 'tty-3.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are a few fixes for 3.13-rc5 that resolve a number of reported
tty and serial driver issues"
* tag 'tty-3.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: xuartps: Properly guard sysrq specific code
n_tty: Fix apparent order of echoed output
serial: 8250_dw: add new ACPI IDs
serial: 8250_dw: Fix LCR workaround regression
tty: Fix hang at ldsem_down_read()
diff --git a/Documentation/module-signing.txt b/Documentation/module-signing.txt
new file mode 100644
index 0000000..2b40e04
--- /dev/null
+++ b/Documentation/module-signing.txt
@@ -0,0 +1,240 @@
+ ==============================
+ KERNEL MODULE SIGNING FACILITY
+ ==============================
+
+CONTENTS
+
+ - Overview.
+ - Configuring module signing.
+ - Generating signing keys.
+ - Public keys in the kernel.
+ - Manually signing modules.
+ - Signed modules and stripping.
+ - Loading signed modules.
+ - Non-valid signatures and unsigned modules.
+ - Administering/protecting the private key.
+
+
+========
+OVERVIEW
+========
+
+The kernel module signing facility cryptographically signs modules during
+installation and then checks the signature upon loading the module. This
+allows increased kernel security by disallowing the loading of unsigned modules
+or modules signed with an invalid key. Module signing increases security by
+making it harder to load a malicious module into the kernel. The module
+signature checking is done by the kernel so that it is not necessary to have
+trusted userspace bits.
+
+This facility uses X.509 ITU-T standard certificates to encode the public keys
+involved. The signatures are not themselves encoded in any industrial standard
+type. The facility currently only supports the RSA public key encryption
+standard (though it is pluggable and permits others to be used). The possible
+hash algorithms that can be used are SHA-1, SHA-224, SHA-256, SHA-384, and
+SHA-512 (the algorithm is selected by data in the signature).
+
+
+==========================
+CONFIGURING MODULE SIGNING
+==========================
+
+The module signing facility is enabled by going to the "Enable Loadable Module
+Support" section of the kernel configuration and turning on
+
+ CONFIG_MODULE_SIG "Module signature verification"
+
+This has a number of options available:
+
+ (1) "Require modules to be validly signed" (CONFIG_MODULE_SIG_FORCE)
+
+ This specifies how the kernel should deal with a module that has a
+ signature for which the key is not known or a module that is unsigned.
+
+ If this is off (ie. "permissive"), then modules for which the key is not
+ available and modules that are unsigned are permitted, but the kernel will
+ be marked as being tainted.
+
+ If this is on (ie. "restrictive"), only modules that have a valid
+ signature that can be verified by a public key in the kernel's possession
+ will be loaded. All other modules will generate an error.
+
+ Irrespective of the setting here, if the module has a signature block that
+ cannot be parsed, it will be rejected out of hand.
+
+
+ (2) "Automatically sign all modules" (CONFIG_MODULE_SIG_ALL)
+
+ If this is on then modules will be automatically signed during the
+ modules_install phase of a build. If this is off, then the modules must
+ be signed manually using:
+
+ scripts/sign-file
+
+
+ (3) "Which hash algorithm should modules be signed with?"
+
+ This presents a choice of which hash algorithm the installation phase will
+ sign the modules with:
+
+ CONFIG_SIG_SHA1 "Sign modules with SHA-1"
+ CONFIG_SIG_SHA224 "Sign modules with SHA-224"
+ CONFIG_SIG_SHA256 "Sign modules with SHA-256"
+ CONFIG_SIG_SHA384 "Sign modules with SHA-384"
+ CONFIG_SIG_SHA512 "Sign modules with SHA-512"
+
+ The algorithm selected here will also be built into the kernel (rather
+ than being a module) so that modules signed with that algorithm can have
+ their signatures checked without causing a dependency loop.
+
+
+=======================
+GENERATING SIGNING KEYS
+=======================
+
+Cryptographic keypairs are required to generate and check signatures. A
+private key is used to generate a signature and the corresponding public key is
+used to check it. The private key is only needed during the build, after which
+it can be deleted or stored securely. The public key gets built into the
+kernel so that it can be used to check the signatures as the modules are
+loaded.
+
+Under normal conditions, the kernel build will automatically generate a new
+keypair using openssl if one does not exist in the files:
+
+ signing_key.priv
+ signing_key.x509
+
+during the building of vmlinux (the public part of the key needs to be built
+into vmlinux) using parameters in the:
+
+ x509.genkey
+
+file (which is also generated if it does not already exist).
+
+It is strongly recommended that you provide your own x509.genkey file.
+
+Most notably, in the x509.genkey file, the req_distinguished_name section
+should be altered from the default:
+
+ [ req_distinguished_name ]
+ O = Magrathea
+ CN = Glacier signing key
+ emailAddress = slartibartfast@magrathea.h2g2
+
+The generated RSA key size can also be set with:
+
+ [ req ]
+ default_bits = 4096
+
+
+It is also possible to manually generate the key private/public files using the
+x509.genkey key generation configuration file in the root node of the Linux
+kernel sources tree and the openssl command. The following is an example to
+generate the public/private key files:
+
+ openssl req -new -nodes -utf8 -sha256 -days 36500 -batch -x509 \
+ -config x509.genkey -outform DER -out signing_key.x509 \
+ -keyout signing_key.priv
+
+
+=========================
+PUBLIC KEYS IN THE KERNEL
+=========================
+
+The kernel contains a ring of public keys that can be viewed by root. They're
+in a keyring called ".system_keyring" that can be seen by:
+
+ [root@deneb ~]# cat /proc/keys
+ ...
+ 223c7853 I------ 1 perm 1f030000 0 0 keyring .system_keyring: 1
+ 302d2d52 I------ 1 perm 1f010000 0 0 asymmetri Fedora kernel signing key: d69a84e6bce3d216b979e9505b3e3ef9a7118079: X509.RSA a7118079 []
+ ...
+
+Beyond the public key generated specifically for module signing, any file
+placed in the kernel source root directory or the kernel build root directory
+whose name is suffixed with ".x509" will be assumed to be an X.509 public key
+and will be added to the keyring.
+
+Further, the architecture code may take public keys from a hardware store and
+add those in also (e.g. from the UEFI key database).
+
+Finally, it is possible to add additional public keys by doing:
+
+ keyctl padd asymmetric "" [.system_keyring-ID] <[key-file]
+
+e.g.:
+
+ keyctl padd asymmetric "" 0x223c7853 <my_public_key.x509
+
+Note, however, that the kernel will only permit keys to be added to
+.system_keyring _if_ the new key's X.509 wrapper is validly signed by a key
+that is already resident in the .system_keyring at the time the key was added.
+
+
+=========================
+MANUALLY SIGNING MODULES
+=========================
+
+To manually sign a module, use the scripts/sign-file tool available in
+the Linux kernel source tree. The script requires 4 arguments:
+
+ 1. The hash algorithm (e.g., sha256)
+ 2. The private key filename
+ 3. The public key filename
+ 4. The kernel module to be signed
+
+The following is an example to sign a kernel module:
+
+ scripts/sign-file sha512 kernel-signkey.priv \
+ kernel-signkey.x509 module.ko
+
+The hash algorithm used does not have to match the one configured, but if it
+doesn't, you should make sure that hash algorithm is either built into the
+kernel or can be loaded without requiring itself.
+
+
+============================
+SIGNED MODULES AND STRIPPING
+============================
+
+A signed module has a digital signature simply appended at the end. The string
+"~Module signature appended~." at the end of the module's file confirms that a
+signature is present but it does not confirm that the signature is valid!
+
+Signed modules are BRITTLE as the signature is outside of the defined ELF
+container. Thus they MAY NOT be stripped once the signature is computed and
+attached. Note the entire module is the signed payload, including any and all
+debug information present at the time of signing.
+
+
+======================
+LOADING SIGNED MODULES
+======================
+
+Modules are loaded with insmod, modprobe, init_module() or finit_module(),
+exactly as for unsigned modules as no processing is done in userspace. The
+signature checking is all done within the kernel.
+
+
+=========================================
+NON-VALID SIGNATURES AND UNSIGNED MODULES
+=========================================
+
+If CONFIG_MODULE_SIG_FORCE is enabled or enforcemodulesig=1 is supplied on
+the kernel command line, the kernel will only load validly signed modules
+for which it has a public key. Otherwise, it will also load modules that are
+unsigned. Any module for which the kernel has a key, but which proves to have
+a signature mismatch will not be permitted to load.
+
+Any module that has an unparseable signature will be rejected.
+
+
+=========================================
+ADMINISTERING/PROTECTING THE PRIVATE KEY
+=========================================
+
+Since the private key is used to sign modules, viruses and malware could use
+the private key to sign modules and compromise the operating system. The
+private key must be either destroyed or moved to a secure location and not kept
+in the root node of the kernel source tree.
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 3c12d9a..8a984e9 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -16,8 +16,12 @@
Default: 64 (as recommended by RFC1700)
ip_no_pmtu_disc - BOOLEAN
- Disable Path MTU Discovery.
- default FALSE
+ Disable Path MTU Discovery. If enabled and a
+ fragmentation-required ICMP is received, the PMTU to this
+ destination will be set to min_pmtu (see below). You will need
+ to raise min_pmtu to the smallest interface MTU on your system
+ manually if you want to avoid locally generated fragments.
+ Default: FALSE
min_pmtu - INTEGER
default 552 - minimum discovered Path MTU
diff --git a/MAINTAINERS b/MAINTAINERS
index 1344816..49c3674 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3761,9 +3761,11 @@
GPIO SUBSYSTEM
M: Linus Walleij <linus.walleij@linaro.org>
-S: Maintained
+M: Alexandre Courbot <gnurou@gmail.com>
L: linux-gpio@vger.kernel.org
-F: Documentation/gpio.txt
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git
+S: Maintained
+F: Documentation/gpio/
F: drivers/gpio/
F: include/linux/gpio*
F: include/asm-generic/gpio.h
@@ -5911,12 +5913,21 @@
M: Herbert Xu <herbert@gondor.apana.org.au>
M: "David S. Miller" <davem@davemloft.net>
L: netdev@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next.git
S: Maintained
F: net/xfrm/
F: net/key/
F: net/ipv4/xfrm*
+F: net/ipv4/esp4.c
+F: net/ipv4/ah4.c
+F: net/ipv4/ipcomp.c
+F: net/ipv4/ip_vti.c
F: net/ipv6/xfrm*
+F: net/ipv6/esp6.c
+F: net/ipv6/ah6.c
+F: net/ipv6/ipcomp6.c
+F: net/ipv6/ip6_vti.c
F: include/uapi/linux/xfrm.h
F: include/net/xfrm.h
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 033c06b..7bdcf34 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -720,13 +720,13 @@
int64_t opal_pci_poll(uint64_t phb_id);
int64_t opal_return_cpu(void);
-int64_t opal_xscom_read(uint32_t gcid, uint32_t pcb_addr, uint64_t *val);
+int64_t opal_xscom_read(uint32_t gcid, uint32_t pcb_addr, __be64 *val);
int64_t opal_xscom_write(uint32_t gcid, uint32_t pcb_addr, uint64_t val);
int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
uint32_t addr, uint32_t data, uint32_t sz);
int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
- uint32_t addr, uint32_t *data, uint32_t sz);
+ uint32_t addr, __be32 *data, uint32_t sz);
int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
int64_t opal_manage_flash(uint8_t op);
int64_t opal_update_flash(uint64_t blk_list);
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 779a78c..11c1d06 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -124,15 +124,15 @@
void crash_free_reserved_phys_range(unsigned long begin, unsigned long end)
{
unsigned long addr;
- const u32 *basep, *sizep;
+ const __be32 *basep, *sizep;
unsigned int rtas_start = 0, rtas_end = 0;
basep = of_get_property(rtas.dev, "linux,rtas-base", NULL);
sizep = of_get_property(rtas.dev, "rtas-size", NULL);
if (basep && sizep) {
- rtas_start = *basep;
- rtas_end = *basep + *sizep;
+ rtas_start = be32_to_cpup(basep);
+ rtas_end = rtas_start + be32_to_cpup(sizep);
}
for (addr = begin; addr < end; addr += PAGE_SIZE) {
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 75fb404..2e3d2bf 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1555,7 +1555,7 @@
flush_fp_to_thread(child);
if (fpidx < (PT_FPSCR - PT_FPR0))
- memcpy(&tmp, &child->thread.fp_state.fpr,
+ memcpy(&tmp, &child->thread.TS_FPR(fpidx),
sizeof(long));
else
tmp = child->thread.fp_state.fpscr;
@@ -1588,7 +1588,7 @@
flush_fp_to_thread(child);
if (fpidx < (PT_FPSCR - PT_FPR0))
- memcpy(&child->thread.fp_state.fpr, &data,
+ memcpy(&child->thread.TS_FPR(fpidx), &data,
sizeof(long));
else
child->thread.fp_state.fpscr = data;
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index febc804..bc76cc6 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -479,7 +479,7 @@
if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) &&
(dn = of_find_node_by_path("/rtas"))) {
int num_addr_cell, num_size_cell, maxcpus;
- const unsigned int *ireg;
+ const __be32 *ireg;
num_addr_cell = of_n_addr_cells(dn);
num_size_cell = of_n_size_cells(dn);
@@ -489,7 +489,7 @@
if (!ireg)
goto out;
- maxcpus = ireg[num_addr_cell + num_size_cell];
+ maxcpus = be32_to_cpup(ireg + num_addr_cell + num_size_cell);
/* Double maxcpus for processors which have SMT capability */
if (cpu_has_feature(CPU_FTR_SMT))
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index a3b64f3..c1cf4a1 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -580,7 +580,7 @@
int cpu_to_core_id(int cpu)
{
struct device_node *np;
- const int *reg;
+ const __be32 *reg;
int id = -1;
np = of_get_cpu_node(cpu, NULL);
@@ -591,7 +591,7 @@
if (!reg)
goto out;
- id = *reg;
+ id = be32_to_cpup(reg);
out:
of_node_put(np);
return id;
diff --git a/arch/powerpc/platforms/powernv/opal-lpc.c b/arch/powerpc/platforms/powernv/opal-lpc.c
index e7e59e4..79d83ca 100644
--- a/arch/powerpc/platforms/powernv/opal-lpc.c
+++ b/arch/powerpc/platforms/powernv/opal-lpc.c
@@ -24,25 +24,25 @@
static u8 opal_lpc_inb(unsigned long port)
{
int64_t rc;
- uint32_t data;
+ __be32 data;
if (opal_lpc_chip_id < 0 || port > 0xffff)
return 0xff;
rc = opal_lpc_read(opal_lpc_chip_id, OPAL_LPC_IO, port, &data, 1);
- return rc ? 0xff : data;
+ return rc ? 0xff : be32_to_cpu(data);
}
static __le16 __opal_lpc_inw(unsigned long port)
{
int64_t rc;
- uint32_t data;
+ __be32 data;
if (opal_lpc_chip_id < 0 || port > 0xfffe)
return 0xffff;
if (port & 1)
return (__le16)opal_lpc_inb(port) << 8 | opal_lpc_inb(port + 1);
rc = opal_lpc_read(opal_lpc_chip_id, OPAL_LPC_IO, port, &data, 2);
- return rc ? 0xffff : data;
+ return rc ? 0xffff : be32_to_cpu(data);
}
static u16 opal_lpc_inw(unsigned long port)
{
@@ -52,7 +52,7 @@
static __le32 __opal_lpc_inl(unsigned long port)
{
int64_t rc;
- uint32_t data;
+ __be32 data;
if (opal_lpc_chip_id < 0 || port > 0xfffc)
return 0xffffffff;
@@ -62,7 +62,7 @@
(__le32)opal_lpc_inb(port + 2) << 8 |
opal_lpc_inb(port + 3);
rc = opal_lpc_read(opal_lpc_chip_id, OPAL_LPC_IO, port, &data, 4);
- return rc ? 0xffffffff : data;
+ return rc ? 0xffffffff : be32_to_cpu(data);
}
static u32 opal_lpc_inl(unsigned long port)
diff --git a/arch/powerpc/platforms/powernv/opal-xscom.c b/arch/powerpc/platforms/powernv/opal-xscom.c
index 4d99a8f..4fbf276 100644
--- a/arch/powerpc/platforms/powernv/opal-xscom.c
+++ b/arch/powerpc/platforms/powernv/opal-xscom.c
@@ -96,9 +96,11 @@
{
struct opal_scom_map *m = map;
int64_t rc;
+ __be64 v;
reg = opal_scom_unmangle(reg);
- rc = opal_xscom_read(m->chip, m->addr + reg, (uint64_t *)__pa(value));
+ rc = opal_xscom_read(m->chip, m->addr + reg, (__be64 *)__pa(&v));
+ *value = be64_to_cpu(v);
return opal_xscom_err_xlate(rc);
}
diff --git a/arch/powerpc/platforms/pseries/lparcfg.c b/arch/powerpc/platforms/pseries/lparcfg.c
index e738007..c9fecf0 100644
--- a/arch/powerpc/platforms/pseries/lparcfg.c
+++ b/arch/powerpc/platforms/pseries/lparcfg.c
@@ -157,7 +157,7 @@
{
struct hvcall_ppp_data ppp_data;
struct device_node *root;
- const int *perf_level;
+ const __be32 *perf_level;
int rc;
rc = h_get_ppp(&ppp_data);
@@ -201,7 +201,7 @@
perf_level = of_get_property(root,
"ibm,partition-performance-parameters-level",
NULL);
- if (perf_level && (*perf_level >= 1)) {
+ if (perf_level && (be32_to_cpup(perf_level) >= 1)) {
seq_printf(m,
"physical_procs_allocated_to_virtualization=%d\n",
ppp_data.phys_platform_procs);
@@ -435,7 +435,7 @@
int partition_potential_processors;
int partition_active_processors;
struct device_node *rtas_node;
- const int *lrdrp = NULL;
+ const __be32 *lrdrp = NULL;
rtas_node = of_find_node_by_path("/rtas");
if (rtas_node)
@@ -444,7 +444,7 @@
if (lrdrp == NULL) {
partition_potential_processors = vdso_data->processorCount;
} else {
- partition_potential_processors = *(lrdrp + 4);
+ partition_potential_processors = be32_to_cpup(lrdrp + 4);
}
of_node_put(rtas_node);
@@ -654,7 +654,7 @@
const char *model = "";
const char *system_id = "";
const char *tmp;
- const unsigned int *lp_index_ptr;
+ const __be32 *lp_index_ptr;
unsigned int lp_index = 0;
seq_printf(m, "%s %s\n", MODULE_NAME, MODULE_VERS);
@@ -670,7 +670,7 @@
lp_index_ptr = of_get_property(rootdn, "ibm,partition-no",
NULL);
if (lp_index_ptr)
- lp_index = *lp_index_ptr;
+ lp_index = be32_to_cpup(lp_index_ptr);
of_node_put(rootdn);
}
seq_printf(m, "serial_number=%s\n", system_id);
diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 6d2f0ab..0c882e8 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -130,7 +130,8 @@
{
struct device_node *dn;
struct pci_dn *pdn;
- const u32 *req_msi;
+ const __be32 *p;
+ u32 req_msi;
pdn = pci_get_pdn(pdev);
if (!pdn)
@@ -138,19 +139,20 @@
dn = pdn->node;
- req_msi = of_get_property(dn, prop_name, NULL);
- if (!req_msi) {
+ p = of_get_property(dn, prop_name, NULL);
+ if (!p) {
pr_debug("rtas_msi: No %s on %s\n", prop_name, dn->full_name);
return -ENOENT;
}
- if (*req_msi < nvec) {
+ req_msi = be32_to_cpup(p);
+ if (req_msi < nvec) {
pr_debug("rtas_msi: %s requests < %d MSIs\n", prop_name, nvec);
- if (*req_msi == 0) /* Be paranoid */
+ if (req_msi == 0) /* Be paranoid */
return -ENOSPC;
- return *req_msi;
+ return req_msi;
}
return 0;
@@ -171,7 +173,7 @@
static struct device_node *find_pe_total_msi(struct pci_dev *dev, int *total)
{
struct device_node *dn;
- const u32 *p;
+ const __be32 *p;
dn = of_node_get(pci_device_to_OF_node(dev));
while (dn) {
@@ -179,7 +181,7 @@
if (p) {
pr_debug("rtas_msi: found prop on dn %s\n",
dn->full_name);
- *total = *p;
+ *total = be32_to_cpup(p);
return dn;
}
@@ -232,13 +234,13 @@
static void *count_non_bridge_devices(struct device_node *dn, void *data)
{
struct msi_counts *counts = data;
- const u32 *p;
+ const __be32 *p;
u32 class;
pr_debug("rtas_msi: counting %s\n", dn->full_name);
p = of_get_property(dn, "class-code", NULL);
- class = p ? *p : 0;
+ class = p ? be32_to_cpup(p) : 0;
if ((class >> 8) != PCI_CLASS_BRIDGE_PCI)
counts->num_devices++;
@@ -249,7 +251,7 @@
static void *count_spare_msis(struct device_node *dn, void *data)
{
struct msi_counts *counts = data;
- const u32 *p;
+ const __be32 *p;
int req;
if (dn == counts->requestor)
@@ -260,11 +262,11 @@
req = 0;
p = of_get_property(dn, "ibm,req#msi", NULL);
if (p)
- req = *p;
+ req = be32_to_cpup(p);
p = of_get_property(dn, "ibm,req#msi-x", NULL);
if (p)
- req = max(req, (int)*p);
+ req = max(req, (int)be32_to_cpup(p));
}
if (req < counts->quota)
diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c
index 7bfaf58..d7096f2 100644
--- a/arch/powerpc/platforms/pseries/nvram.c
+++ b/arch/powerpc/platforms/pseries/nvram.c
@@ -43,8 +43,8 @@
static DEFINE_SPINLOCK(nvram_lock);
struct err_log_info {
- int error_type;
- unsigned int seq_num;
+ __be32 error_type;
+ __be32 seq_num;
};
struct nvram_os_partition {
@@ -79,9 +79,9 @@
};
struct oops_log_info {
- u16 version;
- u16 report_length;
- u64 timestamp;
+ __be16 version;
+ __be16 report_length;
+ __be64 timestamp;
} __attribute__((packed));
static void oops_to_nvram(struct kmsg_dumper *dumper,
@@ -291,8 +291,8 @@
length = part->size;
}
- info.error_type = err_type;
- info.seq_num = error_log_cnt;
+ info.error_type = cpu_to_be32(err_type);
+ info.seq_num = cpu_to_be32(error_log_cnt);
tmp_index = part->index;
@@ -364,8 +364,8 @@
}
if (part->os_partition) {
- *error_log_cnt = info.seq_num;
- *err_type = info.error_type;
+ *error_log_cnt = be32_to_cpu(info.seq_num);
+ *err_type = be32_to_cpu(info.error_type);
}
return 0;
@@ -529,9 +529,9 @@
pr_err("nvram: logging uncompressed oops/panic report\n");
return -1;
}
- oops_hdr->version = OOPS_HDR_VERSION;
- oops_hdr->report_length = (u16) zipped_len;
- oops_hdr->timestamp = get_seconds();
+ oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
+ oops_hdr->report_length = cpu_to_be16(zipped_len);
+ oops_hdr->timestamp = cpu_to_be64(get_seconds());
return 0;
}
@@ -574,9 +574,9 @@
clobbering_unread_rtas_event())
return -1;
- oops_hdr->version = OOPS_HDR_VERSION;
- oops_hdr->report_length = (u16) size;
- oops_hdr->timestamp = get_seconds();
+ oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
+ oops_hdr->report_length = cpu_to_be16(size);
+ oops_hdr->timestamp = cpu_to_be64(get_seconds());
if (compressed)
err_type = ERR_TYPE_KERNEL_PANIC_GZ;
@@ -670,16 +670,16 @@
size_t length, hdr_size;
oops_hdr = (struct oops_log_info *)buff;
- if (oops_hdr->version < OOPS_HDR_VERSION) {
+ if (be16_to_cpu(oops_hdr->version) < OOPS_HDR_VERSION) {
/* Old format oops header had 2-byte record size */
hdr_size = sizeof(u16);
- length = oops_hdr->version;
+ length = be16_to_cpu(oops_hdr->version);
time->tv_sec = 0;
time->tv_nsec = 0;
} else {
hdr_size = sizeof(*oops_hdr);
- length = oops_hdr->report_length;
- time->tv_sec = oops_hdr->timestamp;
+ length = be16_to_cpu(oops_hdr->report_length);
+ time->tv_sec = be64_to_cpu(oops_hdr->timestamp);
time->tv_nsec = 0;
}
*buf = kmalloc(length, GFP_KERNEL);
@@ -889,13 +889,13 @@
kmsg_dump_get_buffer(dumper, false,
oops_data, oops_data_sz, &text_len);
err_type = ERR_TYPE_KERNEL_PANIC;
- oops_hdr->version = OOPS_HDR_VERSION;
- oops_hdr->report_length = (u16) text_len;
- oops_hdr->timestamp = get_seconds();
+ oops_hdr->version = cpu_to_be16(OOPS_HDR_VERSION);
+ oops_hdr->report_length = cpu_to_be16(text_len);
+ oops_hdr->timestamp = cpu_to_be64(get_seconds());
}
(void) nvram_write_os_partition(&oops_log_partition, oops_buf,
- (int) (sizeof(*oops_hdr) + oops_hdr->report_length), err_type,
+ (int) (sizeof(*oops_hdr) + text_len), err_type,
++oops_count);
spin_unlock_irqrestore(&lock, flags);
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 5f93856..70670a2 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -113,7 +113,7 @@
{
struct device_node *dn, *pdn;
struct pci_bus *bus;
- const uint32_t *pcie_link_speed_stats;
+ const __be32 *pcie_link_speed_stats;
bus = bridge->bus;
@@ -122,7 +122,7 @@
return 0;
for (pdn = dn; pdn != NULL; pdn = of_get_next_parent(pdn)) {
- pcie_link_speed_stats = (const uint32_t *) of_get_property(pdn,
+ pcie_link_speed_stats = of_get_property(pdn,
"ibm,pcie-link-speed-stats", NULL);
if (pcie_link_speed_stats)
break;
@@ -135,7 +135,7 @@
return 0;
}
- switch (pcie_link_speed_stats[0]) {
+ switch (be32_to_cpup(pcie_link_speed_stats)) {
case 0x01:
bus->max_bus_speed = PCIE_SPEED_2_5GT;
break;
@@ -147,7 +147,7 @@
break;
}
- switch (pcie_link_speed_stats[1]) {
+ switch (be32_to_cpup(pcie_link_speed_stats)) {
case 0x01:
bus->cur_bus_speed = PCIE_SPEED_2_5GT;
break;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index e903c71..0952ecd 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -26,6 +26,7 @@
select HAVE_AOUT if X86_32
select HAVE_UNSTABLE_SCHED_CLOCK
select ARCH_SUPPORTS_NUMA_BALANCING
+ select ARCH_SUPPORTS_INT128 if X86_64
select ARCH_WANTS_PROT_NUMA_PROT_NONE
select HAVE_IDE
select HAVE_OPROFILE
diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h
index 8729723..c8b0519 100644
--- a/arch/x86/include/asm/preempt.h
+++ b/arch/x86/include/asm/preempt.h
@@ -8,6 +8,12 @@
DECLARE_PER_CPU(int, __preempt_count);
/*
+ * We use the PREEMPT_NEED_RESCHED bit as an inverted NEED_RESCHED such
+ * that a decrement hitting 0 means we can and should reschedule.
+ */
+#define PREEMPT_ENABLED (0 + PREEMPT_NEED_RESCHED)
+
+/*
* We mask the PREEMPT_NEED_RESCHED bit so as not to confuse all current users
* that think a non-zero value indicates we cannot preempt.
*/
@@ -74,6 +80,11 @@
__this_cpu_add_4(__preempt_count, -val);
}
+/*
+ * Because we keep PREEMPT_NEED_RESCHED set when we do _not_ need to reschedule
+ * a decrement which hits zero means we have no preempt_count and should
+ * reschedule.
+ */
static __always_inline bool __preempt_count_dec_and_test(void)
{
GEN_UNARY_RMWcc("decl", __preempt_count, __percpu_arg(0), "e");
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index fd00bb2..c1a8618 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -262,11 +262,20 @@
__EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK, \
HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_ST_HSW)
-#define EVENT_CONSTRAINT_END \
- EVENT_CONSTRAINT(0, 0, 0)
+/*
+ * We define the end marker as having a weight of -1
+ * to enable blacklisting of events using a counter bitmask
+ * of zero and thus a weight of zero.
+ * The end marker has a weight that cannot possibly be
+ * obtained from counting the bits in the bitmask.
+ */
+#define EVENT_CONSTRAINT_END { .weight = -1 }
+/*
+ * Check for end marker with weight == -1
+ */
#define for_each_event_constraint(e, c) \
- for ((e) = (c); (e)->weight; (e)++)
+ for ((e) = (c); (e)->weight != -1; (e)++)
/*
* Extra registers for specific events.
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index 7be41e6..00a3abe 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -60,7 +60,7 @@
struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
int ret;
- ret = regmap_update_bits(s2mps11->iodev->regmap,
+ ret = regmap_update_bits(s2mps11->iodev->regmap_pmic,
S2MPS11_REG_RTC_CTRL,
s2mps11->mask, s2mps11->mask);
if (!ret)
@@ -74,7 +74,7 @@
struct s2mps11_clk *s2mps11 = to_s2mps11_clk(hw);
int ret;
- ret = regmap_update_bits(s2mps11->iodev->regmap, S2MPS11_REG_RTC_CTRL,
+ ret = regmap_update_bits(s2mps11->iodev->regmap_pmic, S2MPS11_REG_RTC_CTRL,
s2mps11->mask, ~s2mps11->mask);
if (!ret)
@@ -174,7 +174,7 @@
s2mps11_clk->hw.init = &s2mps11_clks_init[i];
s2mps11_clk->mask = 1 << i;
- ret = regmap_read(s2mps11_clk->iodev->regmap,
+ ret = regmap_read(s2mps11_clk->iodev->regmap_pmic,
S2MPS11_REG_RTC_CTRL, &val);
if (ret < 0)
goto err_reg;
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 5c07a56..634c4d6 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -75,6 +75,7 @@
config CLKSRC_EFM32
bool "Clocksource for Energy Micro's EFM32 SoCs" if !ARCH_EFM32
depends on OF && ARM && (ARCH_EFM32 || COMPILE_TEST)
+ select CLKSRC_MMIO
default ARCH_EFM32
help
Support to use the timers of EFM32 SoCs as clock source and clock
diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c
index 35639cf4..b9ddd9e 100644
--- a/drivers/clocksource/clksrc-of.c
+++ b/drivers/clocksource/clksrc-of.c
@@ -35,6 +35,5 @@
init_func = match->data;
init_func(np);
- of_node_put(np);
}
}
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index 45ba8ae..2a2ea27 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -108,12 +108,11 @@
static u64 read_sched_clock(void)
{
- return __raw_readl(sched_io_base);
+ return ~__raw_readl(sched_io_base);
}
static const struct of_device_id sptimer_ids[] __initconst = {
{ .compatible = "picochip,pc3x2-rtc" },
- { .compatible = "snps,dw-apb-timer-sp" },
{ /* Sentinel */ },
};
@@ -151,4 +150,6 @@
num_called++;
}
CLOCKSOURCE_OF_DECLARE(pc3x2_timer, "picochip,pc3x2-timer", dw_apb_timer_init);
-CLOCKSOURCE_OF_DECLARE(apb_timer, "snps,dw-apb-timer-osc", dw_apb_timer_init);
+CLOCKSOURCE_OF_DECLARE(apb_timer_osc, "snps,dw-apb-timer-osc", dw_apb_timer_init);
+CLOCKSOURCE_OF_DECLARE(apb_timer_sp, "snps,dw-apb-timer-sp", dw_apb_timer_init);
+CLOCKSOURCE_OF_DECLARE(apb_timer, "snps,dw-apb-timer", dw_apb_timer_init);
diff --git a/drivers/clocksource/sun4i_timer.c b/drivers/clocksource/sun4i_timer.c
index 2fb4695..a4f6119 100644
--- a/drivers/clocksource/sun4i_timer.c
+++ b/drivers/clocksource/sun4i_timer.c
@@ -179,6 +179,9 @@
writel(TIMER_CTL_CLK_SRC(TIMER_CTL_CLK_SRC_OSC24M),
timer_base + TIMER_CTL_REG(0));
+ /* Make sure timer is stopped before playing with interrupts */
+ sun4i_clkevt_time_stop(0);
+
ret = setup_irq(irq, &sun4i_timer_irq);
if (ret)
pr_warn("failed to setup irq %d\n", irq);
diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c
index d8e47e5..4e7f680 100644
--- a/drivers/clocksource/time-armada-370-xp.c
+++ b/drivers/clocksource/time-armada-370-xp.c
@@ -256,11 +256,6 @@
ticks_per_jiffy = (timer_clk + HZ / 2) / HZ;
/*
- * Set scale and timer for sched_clock.
- */
- sched_clock_register(armada_370_xp_read_sched_clock, 32, timer_clk);
-
- /*
* Setup free-running clocksource timer (interrupts
* disabled).
*/
@@ -270,6 +265,11 @@
timer_ctrl_clrset(0, TIMER0_EN | TIMER0_RELOAD_EN |
TIMER0_DIV(TIMER_DIVIDER_SHIFT));
+ /*
+ * Set scale and timer for sched_clock.
+ */
+ sched_clock_register(armada_370_xp_read_sched_clock, 32, timer_clk);
+
clocksource_mmio_init(timer_base + TIMER0_VAL_OFF,
"armada_370_xp_clocksource",
timer_clk, 300, 32, clocksource_mmio_readl_down);
diff --git a/drivers/gpio/gpio-msm-v2.c b/drivers/gpio/gpio-msm-v2.c
index 7b37300..2baf0dd 100644
--- a/drivers/gpio/gpio-msm-v2.c
+++ b/drivers/gpio/gpio-msm-v2.c
@@ -252,7 +252,7 @@
spin_lock_irqsave(&tlmm_lock, irq_flags);
writel(TARGET_PROC_NONE, GPIO_INTR_CFG_SU(gpio));
- clear_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio));
+ clear_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio));
__clear_bit(gpio, msm_gpio.enabled_irqs);
spin_unlock_irqrestore(&tlmm_lock, irq_flags);
}
@@ -264,7 +264,7 @@
spin_lock_irqsave(&tlmm_lock, irq_flags);
__set_bit(gpio, msm_gpio.enabled_irqs);
- set_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio));
+ set_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio));
writel(TARGET_PROC_SCORPION, GPIO_INTR_CFG_SU(gpio));
spin_unlock_irqrestore(&tlmm_lock, irq_flags);
}
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index fe088a3..8b7e719 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -169,7 +169,8 @@
u32 pending;
unsigned int offset, irqs_handled = 0;
- while ((pending = gpio_rcar_read(p, INTDT))) {
+ while ((pending = gpio_rcar_read(p, INTDT) &
+ gpio_rcar_read(p, INTMSK))) {
offset = __ffs(pending);
gpio_rcar_write(p, INTCLR, BIT(offset));
generic_handle_irq(irq_find_mapping(p->irq_domain, offset));
diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c
index b97d6a6..f999689 100644
--- a/drivers/gpio/gpio-twl4030.c
+++ b/drivers/gpio/gpio-twl4030.c
@@ -300,7 +300,7 @@
if (offset < TWL4030_GPIO_MAX)
ret = twl4030_set_gpio_direction(offset, 1);
else
- ret = -EINVAL;
+ ret = -EINVAL; /* LED outputs can't be set as input */
if (!ret)
priv->direction &= ~BIT(offset);
@@ -354,11 +354,20 @@
static int twl_direction_out(struct gpio_chip *chip, unsigned offset, int value)
{
struct gpio_twl4030_priv *priv = to_gpio_twl4030(chip);
- int ret = -EINVAL;
+ int ret = 0;
mutex_lock(&priv->mutex);
- if (offset < TWL4030_GPIO_MAX)
+ if (offset < TWL4030_GPIO_MAX) {
ret = twl4030_set_gpio_direction(offset, 0);
+ if (ret) {
+ mutex_unlock(&priv->mutex);
+ return ret;
+ }
+ }
+
+ /*
+ * LED gpios i.e. offset >= TWL4030_GPIO_MAX are always output
+ */
priv->direction |= BIT(offset);
mutex_unlock(&priv->mutex);
diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h
index eef09ec..a72cae0 100644
--- a/drivers/gpu/drm/armada/armada_drm.h
+++ b/drivers/gpu/drm/armada/armada_drm.h
@@ -103,6 +103,7 @@
extern const struct drm_mode_config_funcs armada_drm_mode_config_funcs;
int armada_fbdev_init(struct drm_device *);
+void armada_fbdev_lastclose(struct drm_device *);
void armada_fbdev_fini(struct drm_device *);
int armada_overlay_plane_create(struct drm_device *, unsigned long);
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index 4f2b283..62d0ff3 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -321,6 +321,11 @@
DRM_UNLOCKED),
};
+static void armada_drm_lastclose(struct drm_device *dev)
+{
+ armada_fbdev_lastclose(dev);
+}
+
static const struct file_operations armada_drm_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
@@ -337,7 +342,7 @@
.open = NULL,
.preclose = NULL,
.postclose = NULL,
- .lastclose = NULL,
+ .lastclose = armada_drm_lastclose,
.unload = armada_drm_unload,
.get_vblank_counter = drm_vblank_count,
.enable_vblank = armada_drm_enable_vblank,
diff --git a/drivers/gpu/drm/armada/armada_fbdev.c b/drivers/gpu/drm/armada/armada_fbdev.c
index dd5ea77..948cb14 100644
--- a/drivers/gpu/drm/armada/armada_fbdev.c
+++ b/drivers/gpu/drm/armada/armada_fbdev.c
@@ -105,9 +105,9 @@
drm_fb_helper_fill_fix(info, dfb->fb.pitches[0], dfb->fb.depth);
drm_fb_helper_fill_var(info, fbh, sizes->fb_width, sizes->fb_height);
- DRM_DEBUG_KMS("allocated %dx%d %dbpp fb: 0x%08x\n",
- dfb->fb.width, dfb->fb.height,
- dfb->fb.bits_per_pixel, obj->phys_addr);
+ DRM_DEBUG_KMS("allocated %dx%d %dbpp fb: 0x%08llx\n",
+ dfb->fb.width, dfb->fb.height, dfb->fb.bits_per_pixel,
+ (unsigned long long)obj->phys_addr);
return 0;
@@ -177,6 +177,16 @@
return ret;
}
+void armada_fbdev_lastclose(struct drm_device *dev)
+{
+ struct armada_private *priv = dev->dev_private;
+
+ drm_modeset_lock_all(dev);
+ if (priv->fbdev)
+ drm_fb_helper_restore_fbdev_mode(priv->fbdev);
+ drm_modeset_unlock_all(dev);
+}
+
void armada_fbdev_fini(struct drm_device *dev)
{
struct armada_private *priv = dev->dev_private;
@@ -192,11 +202,11 @@
framebuffer_release(info);
}
+ drm_fb_helper_fini(fbh);
+
if (fbh->fb)
fbh->fb->funcs->destroy(fbh->fb);
- drm_fb_helper_fini(fbh);
-
priv->fbdev = NULL;
}
}
diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c
index 9f2356b..887816f 100644
--- a/drivers/gpu/drm/armada/armada_gem.c
+++ b/drivers/gpu/drm/armada/armada_gem.c
@@ -172,8 +172,9 @@
obj->dev_addr = obj->linear->start;
}
- DRM_DEBUG_DRIVER("obj %p phys %#x dev %#x\n",
- obj, obj->phys_addr, obj->dev_addr);
+ DRM_DEBUG_DRIVER("obj %p phys %#llx dev %#llx\n", obj,
+ (unsigned long long)obj->phys_addr,
+ (unsigned long long)obj->dev_addr);
return 0;
}
@@ -557,7 +558,6 @@
* refcount on the gem object itself.
*/
drm_gem_object_reference(obj);
- dma_buf_put(buf);
return obj;
}
}
@@ -573,6 +573,7 @@
}
dobj->obj.import_attach = attach;
+ get_dma_buf(buf);
/*
* Don't call dma_buf_map_attachment() here - it maps the
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 0a1e4a5..8835dcd 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -68,6 +68,8 @@
#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
/* Force reduced-blanking timings for detailed modes */
#define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
+/* Force 8bpc */
+#define EDID_QUIRK_FORCE_8BPC (1 << 8)
struct detailed_mode_closure {
struct drm_connector *connector;
@@ -128,6 +130,9 @@
/* Medion MD 30217 PG */
{ "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
+
+ /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
+ { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
};
/*
@@ -3435,6 +3440,9 @@
drm_add_display_info(edid, &connector->display_info);
+ if (quirks & EDID_QUIRK_FORCE_8BPC)
+ connector->display_info.bpc = 8;
+
return num_modes;
}
EXPORT_SYMBOL(drm_add_edid_modes);
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index f53d524..66dd3a0 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -566,11 +566,11 @@
if (dev->driver->unload)
dev->driver->unload(dev);
err_primary_node:
- drm_put_minor(dev->primary);
+ drm_unplug_minor(dev->primary);
err_render_node:
- drm_put_minor(dev->render);
+ drm_unplug_minor(dev->render);
err_control_node:
- drm_put_minor(dev->control);
+ drm_unplug_minor(dev->control);
err_agp:
if (dev->driver->bus->agp_destroy)
dev->driver->bus->agp_destroy(dev);
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 0cab2d0..5c64842 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -83,6 +83,14 @@
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_master_private *master_priv;
+ /*
+ * The dri breadcrumb update races against the drm master disappearing.
+ * Instead of trying to fix this (this is by far not the only ums issue)
+ * just don't do the update in kms mode.
+ */
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return;
+
if (dev->primary->master) {
master_priv = dev->primary->master->driver_priv;
if (master_priv->sarea_priv)
@@ -1490,16 +1498,9 @@
spin_lock_init(&dev_priv->uncore.lock);
spin_lock_init(&dev_priv->mm.object_stat_lock);
mutex_init(&dev_priv->dpio_lock);
- mutex_init(&dev_priv->rps.hw_lock);
mutex_init(&dev_priv->modeset_restore_lock);
- mutex_init(&dev_priv->pc8.lock);
- dev_priv->pc8.requirements_met = false;
- dev_priv->pc8.gpu_idle = false;
- dev_priv->pc8.irqs_disabled = false;
- dev_priv->pc8.enabled = false;
- dev_priv->pc8.disable_count = 2; /* requirements_met + gpu_idle */
- INIT_DELAYED_WORK(&dev_priv->pc8.enable_work, hsw_enable_pc8_work);
+ intel_pm_setup(dev);
intel_display_crc_init(dev);
@@ -1603,7 +1604,6 @@
}
intel_irq_init(dev);
- intel_pm_init(dev);
intel_uncore_sanitize(dev);
/* Try to make sure MCHBAR is enabled before poking at it */
@@ -1848,8 +1848,10 @@
void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
{
+ mutex_lock(&dev->struct_mutex);
i915_gem_context_close(dev, file_priv);
i915_gem_release(dev, file_priv);
+ mutex_unlock(&dev->struct_mutex);
}
void i915_driver_postclose(struct drm_device *dev, struct drm_file *file)
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 2e367a1..5b7b7e0 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -651,6 +651,7 @@
intel_modeset_init_hw(dev);
drm_modeset_lock_all(dev);
+ drm_mode_config_reset(dev);
intel_modeset_setup_hw_state(dev, true);
drm_modeset_unlock_all(dev);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ccdbecc..90fcccb 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1755,8 +1755,13 @@
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
#define IS_HSW_EARLY_SDV(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0xFF00) == 0x0C00)
-#define IS_ULT(dev) (IS_HASWELL(dev) && \
+#define IS_BDW_ULT(dev) (IS_BROADWELL(dev) && \
+ (((dev)->pdev->device & 0xf) == 0x2 || \
+ ((dev)->pdev->device & 0xf) == 0x6 || \
+ ((dev)->pdev->device & 0xf) == 0xe))
+#define IS_HSW_ULT(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0xFF00) == 0x0A00)
+#define IS_ULT(dev) (IS_HSW_ULT(dev) || IS_BDW_ULT(dev))
#define IS_HSW_GT3(dev) (IS_HASWELL(dev) && \
((dev)->pdev->device & 0x00F0) == 0x0020)
#define IS_PRELIMINARY_HW(intel_info) ((intel_info)->is_preliminary)
@@ -1901,9 +1906,7 @@
void i915_handle_error(struct drm_device *dev, bool wedged);
extern void intel_irq_init(struct drm_device *dev);
-extern void intel_pm_init(struct drm_device *dev);
extern void intel_hpd_init(struct drm_device *dev);
-extern void intel_pm_init(struct drm_device *dev);
extern void intel_uncore_sanitize(struct drm_device *dev);
extern void intel_uncore_early_sanitize(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index 72a3df3..b0f42b9 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -347,10 +347,8 @@
{
struct drm_i915_file_private *file_priv = file->driver_priv;
- mutex_lock(&dev->struct_mutex);
idr_for_each(&file_priv->context_idr, context_idr_cleanup, NULL);
idr_destroy(&file_priv->context_idr);
- mutex_unlock(&dev->struct_mutex);
}
static struct i915_hw_context *
@@ -423,11 +421,21 @@
if (ret)
return ret;
- /* Clear this page out of any CPU caches for coherent swap-in/out. Note
+ /*
+ * Pin can switch back to the default context if we end up calling into
+ * evict_everything - as a last ditch gtt defrag effort that also
+ * switches to the default context. Hence we need to reload from here.
+ */
+ from = ring->last_context;
+
+ /*
+ * Clear this page out of any CPU caches for coherent swap-in/out. Note
* that thanks to write = false in this call and us not setting any gpu
* write domains when putting a context object onto the active list
* (when switching away from it), this won't block.
- * XXX: We need a real interface to do this instead of trickery. */
+ *
+ * XXX: We need a real interface to do this instead of trickery.
+ */
ret = i915_gem_object_set_to_gtt_domain(to->obj, false);
if (ret) {
i915_gem_object_unpin(to->obj);
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index b737653..8f3adc7 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -88,6 +88,7 @@
} else
drm_mm_init_scan(&vm->mm, min_size, alignment, cache_level);
+search_again:
/* First see if there is a large enough contiguous idle region... */
list_for_each_entry(vma, &vm->inactive_list, mm_list) {
if (mark_free(vma, &unwind_list))
@@ -115,10 +116,17 @@
list_del_init(&vma->exec_list);
}
- /* We expect the caller to unpin, evict all and try again, or give up.
- * So calling i915_gem_evict_vm() is unnecessary.
+ /* Can we unpin some objects such as idle hw contents,
+ * or pending flips?
*/
- return -ENOSPC;
+ ret = nonblocking ? -ENOSPC : i915_gpu_idle(dev);
+ if (ret)
+ return ret;
+
+ /* Only idle the GPU and repeat the search once */
+ i915_gem_retire_requests(dev);
+ nonblocking = true;
+ goto search_again;
found:
/* drm_mm doesn't allow any other other operations while
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 38cb8d4..c79dd2b 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -337,8 +337,8 @@
kfree(ppgtt->gen8_pt_dma_addr[i]);
}
- __free_pages(ppgtt->gen8_pt_pages, ppgtt->num_pt_pages << PAGE_SHIFT);
- __free_pages(ppgtt->pd_pages, ppgtt->num_pd_pages << PAGE_SHIFT);
+ __free_pages(ppgtt->gen8_pt_pages, get_order(ppgtt->num_pt_pages << PAGE_SHIFT));
+ __free_pages(ppgtt->pd_pages, get_order(ppgtt->num_pd_pages << PAGE_SHIFT));
}
/**
@@ -1241,6 +1241,11 @@
bdw_gmch_ctl &= BDW_GMCH_GGMS_MASK;
if (bdw_gmch_ctl)
bdw_gmch_ctl = 1 << bdw_gmch_ctl;
+ if (bdw_gmch_ctl > 4) {
+ WARN_ON(!i915_preliminary_hw_support);
+ return 4<<20;
+ }
+
return bdw_gmch_ctl << 20;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 080f6fd..8b8bde7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9135,7 +9135,7 @@
if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5)
PIPE_CONF_CHECK_I(pipe_bpp);
- if (!IS_HASWELL(dev)) {
+ if (!HAS_DDI(dev)) {
PIPE_CONF_CHECK_CLOCK_FUZZY(adjusted_mode.crtc_clock);
PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock);
}
@@ -11036,8 +11036,6 @@
}
intel_modeset_check_state(dev);
-
- drm_mode_config_reset(dev);
}
void intel_modeset_gem_init(struct drm_device *dev)
@@ -11046,7 +11044,10 @@
intel_setup_overlay(dev);
+ drm_modeset_lock_all(dev);
+ drm_mode_config_reset(dev);
intel_modeset_setup_hw_state(dev, false);
+ drm_modeset_unlock_all(dev);
}
void intel_modeset_cleanup(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a18e88b..79f91f2 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -821,6 +821,7 @@
uint32_t sprite_width, int pixel_size,
bool enabled, bool scaled);
void intel_init_pm(struct drm_device *dev);
+void intel_pm_setup(struct drm_device *dev);
bool intel_fbc_enabled(struct drm_device *dev);
void intel_update_fbc(struct drm_device *dev);
void intel_gpu_ips_init(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index f161ac0..e6f782d 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -451,7 +451,9 @@
spin_lock_irqsave(&dev_priv->backlight.lock, flags);
- if (HAS_PCH_SPLIT(dev)) {
+ if (IS_BROADWELL(dev)) {
+ val = I915_READ(BLC_PWM_PCH_CTL2) & BACKLIGHT_DUTY_CYCLE_MASK;
+ } else if (HAS_PCH_SPLIT(dev)) {
val = I915_READ(BLC_PWM_CPU_CTL) & BACKLIGHT_DUTY_CYCLE_MASK;
} else {
if (IS_VALLEYVIEW(dev))
@@ -479,6 +481,13 @@
return val;
}
+static void intel_bdw_panel_set_backlight(struct drm_device *dev, u32 level)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 val = I915_READ(BLC_PWM_PCH_CTL2) & ~BACKLIGHT_DUTY_CYCLE_MASK;
+ I915_WRITE(BLC_PWM_PCH_CTL2, val | level);
+}
+
static void intel_pch_panel_set_backlight(struct drm_device *dev, u32 level)
{
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -496,7 +505,9 @@
DRM_DEBUG_DRIVER("set backlight PWM = %d\n", level);
level = intel_panel_compute_brightness(dev, pipe, level);
- if (HAS_PCH_SPLIT(dev))
+ if (IS_BROADWELL(dev))
+ return intel_bdw_panel_set_backlight(dev, level);
+ else if (HAS_PCH_SPLIT(dev))
return intel_pch_panel_set_backlight(dev, level);
if (is_backlight_combination_mode(dev)) {
@@ -666,7 +677,16 @@
POSTING_READ(reg);
I915_WRITE(reg, tmp | BLM_PWM_ENABLE);
- if (HAS_PCH_SPLIT(dev) &&
+ if (IS_BROADWELL(dev)) {
+ /*
+ * Broadwell requires PCH override to drive the PCH
+ * backlight pin. The above will configure the CPU
+ * backlight pin, which we don't plan to use.
+ */
+ tmp = I915_READ(BLC_PWM_PCH_CTL1);
+ tmp |= BLM_PCH_OVERRIDE_ENABLE | BLM_PCH_PWM_ENABLE;
+ I915_WRITE(BLC_PWM_PCH_CTL1, tmp);
+ } else if (HAS_PCH_SPLIT(dev) &&
!(dev_priv->quirks & QUIRK_NO_PCH_PWM_ENABLE)) {
tmp = I915_READ(BLC_PWM_PCH_CTL1);
tmp |= BLM_PCH_PWM_ENABLE;
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 6e0d5e0..3657ab4 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5685,6 +5685,7 @@
{
struct drm_i915_private *dev_priv = dev->dev_private;
bool is_enabled, enable_requested;
+ unsigned long irqflags;
uint32_t tmp;
tmp = I915_READ(HSW_PWR_WELL_DRIVER);
@@ -5702,9 +5703,24 @@
HSW_PWR_WELL_STATE_ENABLED), 20))
DRM_ERROR("Timeout enabling power well\n");
}
+
+ if (IS_BROADWELL(dev)) {
+ spin_lock_irqsave(&dev_priv->irq_lock, irqflags);
+ I915_WRITE(GEN8_DE_PIPE_IMR(PIPE_B),
+ dev_priv->de_irq_mask[PIPE_B]);
+ I915_WRITE(GEN8_DE_PIPE_IER(PIPE_B),
+ ~dev_priv->de_irq_mask[PIPE_B] |
+ GEN8_PIPE_VBLANK);
+ I915_WRITE(GEN8_DE_PIPE_IMR(PIPE_C),
+ dev_priv->de_irq_mask[PIPE_C]);
+ I915_WRITE(GEN8_DE_PIPE_IER(PIPE_C),
+ ~dev_priv->de_irq_mask[PIPE_C] |
+ GEN8_PIPE_VBLANK);
+ POSTING_READ(GEN8_DE_PIPE_IER(PIPE_C));
+ spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);
+ }
} else {
if (enable_requested) {
- unsigned long irqflags;
enum pipe p;
I915_WRITE(HSW_PWR_WELL_DRIVER, 0);
@@ -6130,10 +6146,19 @@
return val;
}
-void intel_pm_init(struct drm_device *dev)
+void intel_pm_setup(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
+ mutex_init(&dev_priv->rps.hw_lock);
+
+ mutex_init(&dev_priv->pc8.lock);
+ dev_priv->pc8.requirements_met = false;
+ dev_priv->pc8.gpu_idle = false;
+ dev_priv->pc8.irqs_disabled = false;
+ dev_priv->pc8.enabled = false;
+ dev_priv->pc8.disable_count = 2; /* requirements_met + gpu_idle */
+ INIT_DELAYED_WORK(&dev_priv->pc8.enable_work, hsw_enable_pc8_work);
INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work,
intel_gen6_powersave_work);
}
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index b620337..c2f09d45 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -965,6 +965,7 @@
} else if (IS_GEN6(ring->dev)) {
mmio = RING_HWS_PGA_GEN6(ring->mmio_base);
} else {
+ /* XXX: gen8 returns to sanity */
mmio = RING_HWS_PGA(ring->mmio_base);
}
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 0b02078..25cbe07 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -784,6 +784,7 @@
int intel_gpu_reset(struct drm_device *dev)
{
switch (INTEL_INFO(dev)->gen) {
+ case 8:
case 7:
case 6: return gen6_do_reset(dev);
case 5: return ironlake_do_reset(dev);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 7a3759f..98a22e6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -858,6 +858,12 @@
if (nouveau_runtime_pm == 0)
return -EINVAL;
+ /* are we optimus enabled? */
+ if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) {
+ DRM_DEBUG_DRIVER("failing to power off - not optimus\n");
+ return -EINVAL;
+ }
+
nv_debug_level(SILENT);
drm_kms_helper_poll_disable(drm_dev);
vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 80a2012..b197059 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -1196,7 +1196,9 @@
} else if ((rdev->family == CHIP_TAHITI) ||
(rdev->family == CHIP_PITCAIRN))
fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16);
- else if (rdev->family == CHIP_VERDE)
+ else if ((rdev->family == CHIP_VERDE) ||
+ (rdev->family == CHIP_OLAND) ||
+ (rdev->family == CHIP_HAINAN)) /* for completeness. HAINAN has no display hw */
fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16);
switch (radeon_crtc->crtc_id) {
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index 0300727..d08b83c 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -458,7 +458,7 @@
radeon_ring_write(ring, 0); /* src/dst endian swap */
radeon_ring_write(ring, src_offset & 0xffffffff);
radeon_ring_write(ring, upper_32_bits(src_offset) & 0xffffffff);
- radeon_ring_write(ring, dst_offset & 0xfffffffc);
+ radeon_ring_write(ring, dst_offset & 0xffffffff);
radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xffffffff);
src_offset += cur_size_in_bytes;
dst_offset += cur_size_in_bytes;
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index e354ce9..c0425bb 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -2021,7 +2021,7 @@
.hdmi_setmode = &evergreen_hdmi_setmode,
},
.copy = {
- .blit = NULL,
+ .blit = &cik_copy_cpdma,
.blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
.dma = &cik_copy_dma,
.dma_ring_index = R600_RING_TYPE_DMA_INDEX,
@@ -2122,7 +2122,7 @@
.hdmi_setmode = &evergreen_hdmi_setmode,
},
.copy = {
- .blit = NULL,
+ .blit = &cik_copy_cpdma,
.blit_ring_index = RADEON_RING_TYPE_GFX_INDEX,
.dma = &cik_copy_dma,
.dma_ring_index = R600_RING_TYPE_DMA_INDEX,
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 9f5ff28..1958b36a 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -508,15 +508,6 @@
#endif
};
-
-static void
-radeon_pci_shutdown(struct pci_dev *pdev)
-{
- struct drm_device *dev = pci_get_drvdata(pdev);
-
- radeon_driver_unload_kms(dev);
-}
-
static struct drm_driver kms_driver = {
.driver_features =
DRIVER_USE_AGP |
@@ -586,7 +577,6 @@
.probe = radeon_pci_probe,
.remove = radeon_pci_remove,
.driver.pm = &radeon_pm_ops,
- .shutdown = radeon_pci_shutdown,
};
static int __init radeon_init(void)
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 1c56062..e7dab06 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -162,6 +162,16 @@
base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
base = G_000100_MC_FB_START(base) << 16;
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
+ /* Some boards seem to be configured for 128MB of sideport memory,
+ * but really only have 64MB. Just skip the sideport and use
+ * UMA memory.
+ */
+ if (rdev->mc.igp_sideport_enabled &&
+ (rdev->mc.real_vram_size == (384 * 1024 * 1024))) {
+ base += 128 * 1024 * 1024;
+ rdev->mc.real_vram_size -= 128 * 1024 * 1024;
+ rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
+ }
/* Use K8 direct mapping for fast fb access. */
rdev->fastfb_working = false;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index b249ab9..6440eea 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -169,9 +169,9 @@
}
page_offset = ((address - vma->vm_start) >> PAGE_SHIFT) +
- drm_vma_node_start(&bo->vma_node) - vma->vm_pgoff;
- page_last = vma_pages(vma) +
- drm_vma_node_start(&bo->vma_node) - vma->vm_pgoff;
+ vma->vm_pgoff - drm_vma_node_start(&bo->vma_node);
+ page_last = vma_pages(vma) + vma->vm_pgoff -
+ drm_vma_node_start(&bo->vma_node);
if (unlikely(page_offset >= bo->num_pages)) {
retval = VM_FAULT_SIGBUS;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index a51f48e..45d5b5a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@ -68,6 +68,9 @@
SVGA_FIFO_3D_HWVERSION));
break;
}
+ case DRM_VMW_PARAM_MAX_SURF_MEMORY:
+ param->value = dev_priv->memory_size;
+ break;
default:
DRM_ERROR("Illegal vmwgfx get param request: %d\n",
param->param);
diff --git a/drivers/iio/adc/ad7887.c b/drivers/iio/adc/ad7887.c
index acb7f90..749a6ca 100644
--- a/drivers/iio/adc/ad7887.c
+++ b/drivers/iio/adc/ad7887.c
@@ -200,7 +200,13 @@
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.address = 1,
.scan_index = 1,
- .scan_type = IIO_ST('u', 12, 16, 0),
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 12,
+ .storagebits = 16,
+ .shift = 0,
+ .endianness = IIO_BE,
+ },
},
.channel[1] = {
.type = IIO_VOLTAGE,
@@ -210,7 +216,13 @@
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.address = 0,
.scan_index = 0,
- .scan_type = IIO_ST('u', 12, 16, 0),
+ .scan_type = {
+ .sign = 'u',
+ .realbits = 12,
+ .storagebits = 16,
+ .shift = 0,
+ .endianness = IIO_BE,
+ },
},
.channel[2] = IIO_CHAN_SOFT_TIMESTAMP(2),
.int_vref_mv = 2500,
diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index 3fb7757..368660d 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -651,7 +651,12 @@
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE),
.address = ADIS16448_BARO_OUT,
.scan_index = ADIS16400_SCAN_BARO,
- .scan_type = IIO_ST('s', 16, 16, 0),
+ .scan_type = {
+ .sign = 's',
+ .realbits = 16,
+ .storagebits = 16,
+ .endianness = IIO_BE,
+ },
},
ADIS16400_TEMP_CHAN(ADIS16448_TEMP_OUT, 12),
IIO_CHAN_SOFT_TIMESTAMP(11)
diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c
index 21df571..0922e39 100644
--- a/drivers/iio/light/cm36651.c
+++ b/drivers/iio/light/cm36651.c
@@ -387,7 +387,7 @@
return -EINVAL;
}
- return IIO_VAL_INT_PLUS_MICRO;
+ return IIO_VAL_INT;
}
static int cm36651_write_int_time(struct cm36651_data *cm36651,
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 5f9a7ad..8aeec0b 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -625,6 +625,7 @@
usb_unanchor_urb(urb);
usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf,
urb->transfer_dma);
+ usb_free_urb(urb);
break;
}
@@ -798,8 +799,8 @@
* allowed (MAX_TX_URBS).
*/
if (!context) {
- usb_unanchor_urb(urb);
usb_free_coherent(dev->udev, size, buf, urb->transfer_dma);
+ usb_free_urb(urb);
netdev_warn(netdev, "couldn't find free context\n");
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index 8ee9d15..263dd92 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -927,6 +927,9 @@
/* set LED in default state (end of init phase) */
pcan_usb_pro_set_led(dev, 0, 1);
+ kfree(bi);
+ kfree(fi);
+
return 0;
err_out:
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index b1cb0ff..6055d39 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -447,8 +447,9 @@
qlcnic_83xx_poll_process_aen(adapter);
- if (ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
- ahw->diag_cnt++;
+ if (ahw->diag_test) {
+ if (ahw->diag_test == QLCNIC_INTERRUPT_TEST)
+ ahw->diag_cnt++;
qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter);
return IRQ_HANDLED;
}
@@ -1345,11 +1346,6 @@
}
if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
- /* disable and free mailbox interrupt */
- if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
- qlcnic_83xx_enable_mbx_poll(adapter);
- qlcnic_83xx_free_mbx_intr(adapter);
- }
adapter->ahw->loopback_state = 0;
adapter->ahw->hw_ops->setup_link_event(adapter, 1);
}
@@ -1363,33 +1359,20 @@
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_host_sds_ring *sds_ring;
- int ring, err;
+ int ring;
clear_bit(__QLCNIC_DEV_UP, &adapter->state);
if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) {
for (ring = 0; ring < adapter->drv_sds_rings; ring++) {
sds_ring = &adapter->recv_ctx->sds_rings[ring];
- qlcnic_83xx_disable_intr(adapter, sds_ring);
- if (!(adapter->flags & QLCNIC_MSIX_ENABLED))
- qlcnic_83xx_enable_mbx_poll(adapter);
+ if (adapter->flags & QLCNIC_MSIX_ENABLED)
+ qlcnic_83xx_disable_intr(adapter, sds_ring);
}
}
qlcnic_fw_destroy_ctx(adapter);
qlcnic_detach(adapter);
- if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) {
- if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) {
- err = qlcnic_83xx_setup_mbx_intr(adapter);
- qlcnic_83xx_disable_mbx_poll(adapter);
- if (err) {
- dev_err(&adapter->pdev->dev,
- "%s: failed to setup mbx interrupt\n",
- __func__);
- goto out;
- }
- }
- }
adapter->ahw->diag_test = 0;
adapter->drv_sds_rings = drv_sds_rings;
@@ -1399,9 +1382,6 @@
if (netif_running(netdev))
__qlcnic_up(adapter, netdev);
- if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST &&
- !(adapter->flags & QLCNIC_MSIX_ENABLED))
- qlcnic_83xx_disable_mbx_poll(adapter);
out:
netif_device_attach(netdev);
}
@@ -3754,6 +3734,19 @@
return;
}
+static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter)
+{
+ struct qlcnic_hardware_context *ahw = adapter->ahw;
+ u32 offset;
+
+ offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK);
+ dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x",
+ readl(ahw->pci_base0 + offset),
+ QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL),
+ QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL),
+ QLCRDX(ahw, QLCNIC_FW_MBX_CTRL));
+}
+
static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
{
struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox,
@@ -3798,6 +3791,8 @@
__func__, cmd->cmd_op, cmd->type, ahw->pci_func,
ahw->op_mode);
clear_bit(QLC_83XX_MBX_READY, &mbx->status);
+ qlcnic_dump_mailbox_registers(adapter);
+ qlcnic_83xx_get_mbx_data(adapter, cmd);
qlcnic_dump_mbx(adapter, cmd);
qlcnic_83xx_idc_request_reset(adapter,
QLCNIC_FORCE_FW_DUMP_KEY);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
index 4cae6ca..a6a3350 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
@@ -662,4 +662,5 @@
pci_channel_state_t);
pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *);
void qlcnic_83xx_io_resume(struct pci_dev *);
+void qlcnic_83xx_stop_hw(struct qlcnic_adapter *);
#endif
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index 89208e5..918e18d 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -740,6 +740,7 @@
adapter->ahw->idc.err_code = -EIO;
dev_err(&adapter->pdev->dev,
"%s: Device in unknown state\n", __func__);
+ clear_bit(__QLCNIC_RESETTING, &adapter->state);
return 0;
}
@@ -818,7 +819,6 @@
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_mailbox *mbx = ahw->mailbox;
int ret = 0;
- u32 owner;
u32 val;
/* Perform NIC configuration based ready state entry actions */
@@ -848,9 +848,9 @@
set_bit(__QLCNIC_RESETTING, &adapter->state);
qlcnic_83xx_idc_enter_need_reset_state(adapter, 1);
} else {
- owner = qlcnic_83xx_idc_find_reset_owner_id(adapter);
- if (ahw->pci_func == owner)
- qlcnic_dump_fw(adapter);
+ netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
+ __func__);
+ qlcnic_83xx_idc_enter_failed_state(adapter, 1);
}
return -EIO;
}
@@ -948,13 +948,26 @@
return 0;
}
-static int qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter)
+static void qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter)
{
- dev_err(&adapter->pdev->dev, "%s: please restart!!\n", __func__);
- clear_bit(__QLCNIC_RESETTING, &adapter->state);
- adapter->ahw->idc.err_code = -EIO;
+ struct qlcnic_hardware_context *ahw = adapter->ahw;
+ u32 val, owner;
- return 0;
+ val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
+ if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
+ owner = qlcnic_83xx_idc_find_reset_owner_id(adapter);
+ if (ahw->pci_func == owner) {
+ qlcnic_83xx_stop_hw(adapter);
+ qlcnic_dump_fw(adapter);
+ }
+ }
+
+ netdev_warn(adapter->netdev, "%s: Reboot will be required to recover the adapter!!\n",
+ __func__);
+ clear_bit(__QLCNIC_RESETTING, &adapter->state);
+ ahw->idc.err_code = -EIO;
+
+ return;
}
static int qlcnic_83xx_idc_quiesce_state(struct qlcnic_adapter *adapter)
@@ -1063,12 +1076,6 @@
adapter->ahw->idc.prev_state = adapter->ahw->idc.curr_state;
qlcnic_83xx_periodic_tasks(adapter);
- /* Do not reschedule if firmaware is in hanged state and auto
- * recovery is disabled
- */
- if ((adapter->flags & QLCNIC_FW_HANG) && !qlcnic_auto_fw_reset)
- return;
-
/* Re-schedule the function */
if (test_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status))
qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state,
@@ -1219,10 +1226,10 @@
}
val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
- if ((val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) ||
- !qlcnic_auto_fw_reset) {
- dev_err(&adapter->pdev->dev,
- "%s:failed, device in non reset mode\n", __func__);
+ if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
+ netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
+ __func__);
+ qlcnic_83xx_idc_enter_failed_state(adapter, 0);
qlcnic_83xx_unlock_driver(adapter);
return;
}
@@ -1254,24 +1261,24 @@
if (size & 0xF)
size = (size + 16) & ~0xF;
- p_cache = kzalloc(size, GFP_KERNEL);
+ p_cache = vzalloc(size);
if (p_cache == NULL)
return -ENOMEM;
ret = qlcnic_83xx_lockless_flash_read32(adapter, src, p_cache,
size / sizeof(u32));
if (ret) {
- kfree(p_cache);
+ vfree(p_cache);
return ret;
}
/* 16 byte write to MS memory */
ret = qlcnic_83xx_ms_mem_write128(adapter, dest, (u32 *)p_cache,
size / 16);
if (ret) {
- kfree(p_cache);
+ vfree(p_cache);
return ret;
}
- kfree(p_cache);
+ vfree(p_cache);
return ret;
}
@@ -1939,7 +1946,7 @@
p_dev->ahw->reset.seq_index = index;
}
-static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev)
+void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev)
{
p_dev->ahw->reset.seq_index = 0;
@@ -1994,6 +2001,14 @@
val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
if (!(val & QLC_83XX_IDC_GRACEFULL_RESET))
qlcnic_dump_fw(adapter);
+
+ if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
+ netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
+ __func__);
+ qlcnic_83xx_idc_enter_failed_state(adapter, 1);
+ return err;
+ }
+
qlcnic_83xx_init_hw(adapter);
if (qlcnic_83xx_copy_bootloader(adapter))
@@ -2073,8 +2088,8 @@
ahw->nic_mode = QLCNIC_DEFAULT_MODE;
adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver;
ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
- adapter->max_sds_rings = ahw->max_rx_ques;
- adapter->max_tx_rings = ahw->max_tx_ques;
+ adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
+ adapter->max_tx_rings = QLCNIC_MAX_TX_RINGS;
} else {
return -EIO;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
index b36c02f..e3be276 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
@@ -667,30 +667,25 @@
static int qlcnic_validate_ring_count(struct qlcnic_adapter *adapter,
u8 rx_ring, u8 tx_ring)
{
+ if (rx_ring == 0 || tx_ring == 0)
+ return -EINVAL;
+
if (rx_ring != 0) {
if (rx_ring > adapter->max_sds_rings) {
- netdev_err(adapter->netdev, "Invalid ring count, SDS ring count %d should not be greater than max %d driver sds rings.\n",
+ netdev_err(adapter->netdev,
+ "Invalid ring count, SDS ring count %d should not be greater than max %d driver sds rings.\n",
rx_ring, adapter->max_sds_rings);
return -EINVAL;
}
}
if (tx_ring != 0) {
- if (qlcnic_82xx_check(adapter) &&
- (tx_ring > adapter->max_tx_rings)) {
+ if (tx_ring > adapter->max_tx_rings) {
netdev_err(adapter->netdev,
"Invalid ring count, Tx ring count %d should not be greater than max %d driver Tx rings.\n",
tx_ring, adapter->max_tx_rings);
return -EINVAL;
}
-
- if (qlcnic_83xx_check(adapter) &&
- (tx_ring > QLCNIC_SINGLE_RING)) {
- netdev_err(adapter->netdev,
- "Invalid ring count, Tx ring count %d should not be greater than %d driver Tx rings.\n",
- tx_ring, QLCNIC_SINGLE_RING);
- return -EINVAL;
- }
}
return 0;
@@ -948,6 +943,7 @@
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_cmd_args cmd;
int ret, drv_sds_rings = adapter->drv_sds_rings;
+ int drv_tx_rings = adapter->drv_tx_rings;
if (qlcnic_83xx_check(adapter))
return qlcnic_83xx_interrupt_test(netdev);
@@ -980,6 +976,7 @@
clear_diag_irq:
adapter->drv_sds_rings = drv_sds_rings;
+ adapter->drv_tx_rings = drv_tx_rings;
clear_bit(__QLCNIC_RESETTING, &adapter->state);
return ret;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 0149c94..eda6c69 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -687,17 +687,11 @@
if (adapter->ahw->linkup && !linkup) {
netdev_info(netdev, "NIC Link is down\n");
adapter->ahw->linkup = 0;
- if (netif_running(netdev)) {
- netif_carrier_off(netdev);
- netif_tx_stop_all_queues(netdev);
- }
+ netif_carrier_off(netdev);
} else if (!adapter->ahw->linkup && linkup) {
netdev_info(netdev, "NIC Link is up\n");
adapter->ahw->linkup = 1;
- if (netif_running(netdev)) {
- netif_carrier_on(netdev);
- netif_wake_queue(netdev);
- }
+ netif_carrier_on(netdev);
}
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 05c1eef..2c8cac0 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -1178,6 +1178,7 @@
} else {
adapter->ahw->nic_mode = QLCNIC_DEFAULT_MODE;
adapter->max_tx_rings = QLCNIC_MAX_HW_TX_RINGS;
+ adapter->max_sds_rings = QLCNIC_MAX_SDS_RINGS;
adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
}
@@ -1940,7 +1941,6 @@
qlcnic_detach(adapter);
adapter->drv_sds_rings = QLCNIC_SINGLE_RING;
- adapter->drv_tx_rings = QLCNIC_SINGLE_RING;
adapter->ahw->diag_test = test;
adapter->ahw->linkup = 0;
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 524f713..f813572 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -327,7 +327,6 @@
return -EINVAL;
nvdev->start_remove = true;
- cancel_delayed_work_sync(&ndevctx->dwork);
cancel_work_sync(&ndevctx->work);
netif_tx_disable(ndev);
rndis_filter_device_remove(hdev);
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index e884ee1..27bbe58 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1197,6 +1197,9 @@
err = -EPROTO;
+ if (fragment)
+ goto out;
+
switch (ip_hdr(skb)->protocol) {
case IPPROTO_TCP:
err = maybe_pull_tail(skb,
diff --git a/drivers/pinctrl/sh-pfc/sh_pfc.h b/drivers/pinctrl/sh-pfc/sh_pfc.h
index 11bd0d9..e214295 100644
--- a/drivers/pinctrl/sh-pfc/sh_pfc.h
+++ b/drivers/pinctrl/sh-pfc/sh_pfc.h
@@ -254,7 +254,7 @@
#define PINMUX_GPIO(_pin) \
[GPIO_##_pin] = { \
.pin = (u16)-1, \
- .name = __stringify(name), \
+ .name = __stringify(GPIO_##_pin), \
.enum_id = _pin##_DATA, \
}
diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c
index 333677d..9e61922 100644
--- a/drivers/regulator/s2mps11.c
+++ b/drivers/regulator/s2mps11.c
@@ -438,7 +438,7 @@
platform_set_drvdata(pdev, s2mps11);
config.dev = &pdev->dev;
- config.regmap = iodev->regmap;
+ config.regmap = iodev->regmap_pmic;
config.driver_data = s2mps11;
for (i = 0; i < S2MPS11_REGULATOR_MAX; i++) {
if (!reg_np) {
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index 8f02bf6..4964d2a 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -446,7 +446,7 @@
release_firmware(fw);
}
- return ret;
+ return ret < 0 ? ret : 0;
}
EXPORT_SYMBOL_GPL(comedi_load_firmware);
diff --git a/drivers/staging/comedi/drivers/8255_pci.c b/drivers/staging/comedi/drivers/8255_pci.c
index 432e3f9..c55f234 100644
--- a/drivers/staging/comedi/drivers/8255_pci.c
+++ b/drivers/staging/comedi/drivers/8255_pci.c
@@ -63,7 +63,8 @@
BOARD_ADLINK_PCI7296,
BOARD_CB_PCIDIO24,
BOARD_CB_PCIDIO24H,
- BOARD_CB_PCIDIO48H,
+ BOARD_CB_PCIDIO48H_OLD,
+ BOARD_CB_PCIDIO48H_NEW,
BOARD_CB_PCIDIO96H,
BOARD_NI_PCIDIO96,
BOARD_NI_PCIDIO96B,
@@ -106,11 +107,16 @@
.dio_badr = 2,
.n_8255 = 1,
},
- [BOARD_CB_PCIDIO48H] = {
+ [BOARD_CB_PCIDIO48H_OLD] = {
.name = "cb_pci-dio48h",
.dio_badr = 1,
.n_8255 = 2,
},
+ [BOARD_CB_PCIDIO48H_NEW] = {
+ .name = "cb_pci-dio48h",
+ .dio_badr = 2,
+ .n_8255 = 2,
+ },
[BOARD_CB_PCIDIO96H] = {
.name = "cb_pci-dio96h",
.dio_badr = 2,
@@ -263,7 +269,10 @@
{ PCI_VDEVICE(ADLINK, 0x7296), BOARD_ADLINK_PCI7296 },
{ PCI_VDEVICE(CB, 0x0028), BOARD_CB_PCIDIO24 },
{ PCI_VDEVICE(CB, 0x0014), BOARD_CB_PCIDIO24H },
- { PCI_VDEVICE(CB, 0x000b), BOARD_CB_PCIDIO48H },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_CB, 0x000b, 0x0000, 0x0000),
+ .driver_data = BOARD_CB_PCIDIO48H_OLD },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_CB, 0x000b, PCI_VENDOR_ID_CB, 0x000b),
+ .driver_data = BOARD_CB_PCIDIO48H_NEW },
{ PCI_VDEVICE(CB, 0x0017), BOARD_CB_PCIDIO96H },
{ PCI_VDEVICE(NI, 0x0160), BOARD_NI_PCIDIO96 },
{ PCI_VDEVICE(NI, 0x1630), BOARD_NI_PCIDIO96B },
diff --git a/drivers/staging/iio/magnetometer/hmc5843.c b/drivers/staging/iio/magnetometer/hmc5843.c
index 99421f9..0485d7f 100644
--- a/drivers/staging/iio/magnetometer/hmc5843.c
+++ b/drivers/staging/iio/magnetometer/hmc5843.c
@@ -451,7 +451,12 @@
.info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE) | \
BIT(IIO_CHAN_INFO_SAMP_FREQ), \
.scan_index = idx, \
- .scan_type = IIO_ST('s', 16, 16, IIO_BE), \
+ .scan_type = { \
+ .sign = 's', \
+ .realbits = 16, \
+ .storagebits = 16, \
+ .endianness = IIO_BE, \
+ }, \
}
static const struct iio_chan_spec hmc5843_channels[] = {
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
index 6bd015a..96e4eee 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -88,8 +88,9 @@
imx_drm_device_put();
- drm_mode_config_cleanup(imxdrm->drm);
+ drm_vblank_cleanup(imxdrm->drm);
drm_kms_helper_poll_fini(imxdrm->drm);
+ drm_mode_config_cleanup(imxdrm->drm);
return 0;
}
@@ -199,8 +200,8 @@
if (!file->is_master)
return;
- for (i = 0; i < 4; i++)
- imx_drm_disable_vblank(drm , i);
+ for (i = 0; i < MAX_CRTC; i++)
+ imx_drm_disable_vblank(drm, i);
}
static const struct file_operations imx_drm_driver_fops = {
@@ -376,8 +377,6 @@
struct imx_drm_device *imxdrm = __imx_drm_device();
int ret;
- drm_crtc_init(imxdrm->drm, imx_drm_crtc->crtc,
- imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs);
ret = drm_mode_crtc_set_gamma_size(imx_drm_crtc->crtc, 256);
if (ret)
return ret;
@@ -385,6 +384,9 @@
drm_crtc_helper_add(imx_drm_crtc->crtc,
imx_drm_crtc->imx_drm_helper_funcs.crtc_helper_funcs);
+ drm_crtc_init(imxdrm->drm, imx_drm_crtc->crtc,
+ imx_drm_crtc->imx_drm_helper_funcs.crtc_funcs);
+
drm_mode_group_reinit(imxdrm->drm);
return 0;
@@ -428,11 +430,11 @@
ret = drm_mode_group_init_legacy_group(imxdrm->drm,
&imxdrm->drm->primary->mode_group);
if (ret)
- goto err_init;
+ goto err_kms;
ret = drm_vblank_init(imxdrm->drm, MAX_CRTC);
if (ret)
- goto err_init;
+ goto err_kms;
/*
* with vblank_disable_allowed = true, vblank interrupt will be disabled
@@ -441,12 +443,19 @@
*/
imxdrm->drm->vblank_disable_allowed = true;
- if (!imx_drm_device_get())
+ if (!imx_drm_device_get()) {
ret = -EINVAL;
+ goto err_vblank;
+ }
- ret = 0;
+ mutex_unlock(&imxdrm->mutex);
+ return 0;
-err_init:
+err_vblank:
+ drm_vblank_cleanup(drm);
+err_kms:
+ drm_kms_helper_poll_fini(drm);
+ drm_mode_config_cleanup(drm);
mutex_unlock(&imxdrm->mutex);
return ret;
@@ -492,6 +501,15 @@
mutex_lock(&imxdrm->mutex);
+ /*
+ * The vblank arrays are dimensioned by MAX_CRTC - we can't
+ * pass IDs greater than this to those functions.
+ */
+ if (imxdrm->pipes >= MAX_CRTC) {
+ ret = -EINVAL;
+ goto err_busy;
+ }
+
if (imxdrm->drm->open_count) {
ret = -EBUSY;
goto err_busy;
@@ -528,6 +546,7 @@
return 0;
err_register:
+ list_del(&imx_drm_crtc->list);
kfree(imx_drm_crtc);
err_alloc:
err_busy:
diff --git a/drivers/staging/imx-drm/imx-tve.c b/drivers/staging/imx-drm/imx-tve.c
index 680f4c8..2c44fef 100644
--- a/drivers/staging/imx-drm/imx-tve.c
+++ b/drivers/staging/imx-drm/imx-tve.c
@@ -114,7 +114,6 @@
struct drm_encoder encoder;
struct imx_drm_encoder *imx_drm_encoder;
struct device *dev;
- spinlock_t enable_lock; /* serializes tve_enable/disable */
spinlock_t lock; /* register lock */
bool enabled;
int mode;
@@ -146,10 +145,8 @@
static void tve_enable(struct imx_tve *tve)
{
- unsigned long flags;
int ret;
- spin_lock_irqsave(&tve->enable_lock, flags);
if (!tve->enabled) {
tve->enabled = true;
clk_prepare_enable(tve->clk);
@@ -169,23 +166,18 @@
TVE_CD_SM_IEN |
TVE_CD_LM_IEN |
TVE_CD_MON_END_IEN);
-
- spin_unlock_irqrestore(&tve->enable_lock, flags);
}
static void tve_disable(struct imx_tve *tve)
{
- unsigned long flags;
int ret;
- spin_lock_irqsave(&tve->enable_lock, flags);
if (tve->enabled) {
tve->enabled = false;
ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
TVE_IPU_CLK_EN | TVE_EN, 0);
clk_disable_unprepare(tve->clk);
}
- spin_unlock_irqrestore(&tve->enable_lock, flags);
}
static int tve_setup_tvout(struct imx_tve *tve)
@@ -601,7 +593,6 @@
tve->dev = &pdev->dev;
spin_lock_init(&tve->lock);
- spin_lock_init(&tve->enable_lock);
ddc_node = of_parse_phandle(np, "ddc", 0);
if (ddc_node) {
diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
index 7a22ce6..97ca692 100644
--- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c
+++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c
@@ -996,35 +996,35 @@
},
};
+static DEFINE_MUTEX(ipu_client_id_mutex);
static int ipu_client_id;
-static int ipu_add_subdevice_pdata(struct device *dev,
- const struct ipu_platform_reg *reg)
-{
- struct platform_device *pdev;
-
- pdev = platform_device_register_data(dev, reg->name, ipu_client_id++,
- ®->pdata, sizeof(struct ipu_platform_reg));
-
- return PTR_ERR_OR_ZERO(pdev);
-}
-
static int ipu_add_client_devices(struct ipu_soc *ipu)
{
- int ret;
- int i;
+ struct device *dev = ipu->dev;
+ unsigned i;
+ int id, ret;
+
+ mutex_lock(&ipu_client_id_mutex);
+ id = ipu_client_id;
+ ipu_client_id += ARRAY_SIZE(client_reg);
+ mutex_unlock(&ipu_client_id_mutex);
for (i = 0; i < ARRAY_SIZE(client_reg); i++) {
const struct ipu_platform_reg *reg = &client_reg[i];
- ret = ipu_add_subdevice_pdata(ipu->dev, reg);
- if (ret)
+ struct platform_device *pdev;
+
+ pdev = platform_device_register_data(dev, reg->name,
+ id++, ®->pdata, sizeof(reg->pdata));
+
+ if (IS_ERR(pdev))
goto err_register;
}
return 0;
err_register:
- platform_device_unregister_children(to_platform_device(ipu->dev));
+ platform_device_unregister_children(to_platform_device(dev));
return ret;
}
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 1e561c0..ec3ba43 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -210,9 +210,13 @@
if (err < 0) {
SetPageError(page);
goto out;
- } else if (err < PAGE_CACHE_SIZE) {
+ } else {
+ if (err < PAGE_CACHE_SIZE) {
/* zero fill remainder of page */
- zero_user_segment(page, err, PAGE_CACHE_SIZE);
+ zero_user_segment(page, err, PAGE_CACHE_SIZE);
+ } else {
+ flush_dcache_page(page);
+ }
}
SetPageUptodate(page);
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 9a8e396..278fd28 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -978,7 +978,6 @@
struct ceph_mds_reply_inode *ininfo;
struct ceph_vino vino;
struct ceph_fs_client *fsc = ceph_sb_to_client(sb);
- int i = 0;
int err = 0;
dout("fill_trace %p is_dentry %d is_target %d\n", req,
@@ -1039,6 +1038,29 @@
}
}
+ if (rinfo->head->is_target) {
+ vino.ino = le64_to_cpu(rinfo->targeti.in->ino);
+ vino.snap = le64_to_cpu(rinfo->targeti.in->snapid);
+
+ in = ceph_get_inode(sb, vino);
+ if (IS_ERR(in)) {
+ err = PTR_ERR(in);
+ goto done;
+ }
+ req->r_target_inode = in;
+
+ err = fill_inode(in, &rinfo->targeti, NULL,
+ session, req->r_request_started,
+ (le32_to_cpu(rinfo->head->result) == 0) ?
+ req->r_fmode : -1,
+ &req->r_caps_reservation);
+ if (err < 0) {
+ pr_err("fill_inode badness %p %llx.%llx\n",
+ in, ceph_vinop(in));
+ goto done;
+ }
+ }
+
/*
* ignore null lease/binding on snapdir ENOENT, or else we
* will have trouble splicing in the virtual snapdir later
@@ -1108,7 +1130,6 @@
ceph_dentry(req->r_old_dentry)->offset);
dn = req->r_old_dentry; /* use old_dentry */
- in = dn->d_inode;
}
/* null dentry? */
@@ -1130,44 +1151,28 @@
}
/* attach proper inode */
- ininfo = rinfo->targeti.in;
- vino.ino = le64_to_cpu(ininfo->ino);
- vino.snap = le64_to_cpu(ininfo->snapid);
- in = dn->d_inode;
- if (!in) {
- in = ceph_get_inode(sb, vino);
- if (IS_ERR(in)) {
- pr_err("fill_trace bad get_inode "
- "%llx.%llx\n", vino.ino, vino.snap);
- err = PTR_ERR(in);
- d_drop(dn);
- goto done;
- }
+ if (!dn->d_inode) {
+ ihold(in);
dn = splice_dentry(dn, in, &have_lease, true);
if (IS_ERR(dn)) {
err = PTR_ERR(dn);
goto done;
}
req->r_dentry = dn; /* may have spliced */
- ihold(in);
- } else if (ceph_ino(in) == vino.ino &&
- ceph_snap(in) == vino.snap) {
- ihold(in);
- } else {
+ } else if (dn->d_inode && dn->d_inode != in) {
dout(" %p links to %p %llx.%llx, not %llx.%llx\n",
- dn, in, ceph_ino(in), ceph_snap(in),
- vino.ino, vino.snap);
+ dn, dn->d_inode, ceph_vinop(dn->d_inode),
+ ceph_vinop(in));
have_lease = false;
- in = NULL;
}
if (have_lease)
update_dentry_lease(dn, rinfo->dlease, session,
req->r_request_started);
dout(" final dn %p\n", dn);
- i++;
- } else if ((req->r_op == CEPH_MDS_OP_LOOKUPSNAP ||
- req->r_op == CEPH_MDS_OP_MKSNAP) && !req->r_aborted) {
+ } else if (!req->r_aborted &&
+ (req->r_op == CEPH_MDS_OP_LOOKUPSNAP ||
+ req->r_op == CEPH_MDS_OP_MKSNAP)) {
struct dentry *dn = req->r_dentry;
/* fill out a snapdir LOOKUPSNAP dentry */
@@ -1177,52 +1182,15 @@
ininfo = rinfo->targeti.in;
vino.ino = le64_to_cpu(ininfo->ino);
vino.snap = le64_to_cpu(ininfo->snapid);
- in = ceph_get_inode(sb, vino);
- if (IS_ERR(in)) {
- pr_err("fill_inode get_inode badness %llx.%llx\n",
- vino.ino, vino.snap);
- err = PTR_ERR(in);
- d_delete(dn);
- goto done;
- }
dout(" linking snapped dir %p to dn %p\n", in, dn);
+ ihold(in);
dn = splice_dentry(dn, in, NULL, true);
if (IS_ERR(dn)) {
err = PTR_ERR(dn);
goto done;
}
req->r_dentry = dn; /* may have spliced */
- ihold(in);
- rinfo->head->is_dentry = 1; /* fool notrace handlers */
}
-
- if (rinfo->head->is_target) {
- vino.ino = le64_to_cpu(rinfo->targeti.in->ino);
- vino.snap = le64_to_cpu(rinfo->targeti.in->snapid);
-
- if (in == NULL || ceph_ino(in) != vino.ino ||
- ceph_snap(in) != vino.snap) {
- in = ceph_get_inode(sb, vino);
- if (IS_ERR(in)) {
- err = PTR_ERR(in);
- goto done;
- }
- }
- req->r_target_inode = in;
-
- err = fill_inode(in,
- &rinfo->targeti, NULL,
- session, req->r_request_started,
- (le32_to_cpu(rinfo->head->result) == 0) ?
- req->r_fmode : -1,
- &req->r_caps_reservation);
- if (err < 0) {
- pr_err("fill_inode badness %p %llx.%llx\n",
- in, ceph_vinop(in));
- goto done;
- }
- }
-
done:
dout("fill_trace done err=%d\n", err);
return err;
@@ -1272,7 +1240,7 @@
struct qstr dname;
struct dentry *dn;
struct inode *in;
- int err = 0, i;
+ int err = 0, ret, i;
struct inode *snapdir = NULL;
struct ceph_mds_request_head *rhead = req->r_request->front.iov_base;
struct ceph_dentry_info *di;
@@ -1305,6 +1273,7 @@
ceph_fill_dirfrag(parent->d_inode, rinfo->dir_dir);
}
+ /* FIXME: release caps/leases if error occurs */
for (i = 0; i < rinfo->dir_nr; i++) {
struct ceph_vino vino;
@@ -1329,9 +1298,10 @@
err = -ENOMEM;
goto out;
}
- err = ceph_init_dentry(dn);
- if (err < 0) {
+ ret = ceph_init_dentry(dn);
+ if (ret < 0) {
dput(dn);
+ err = ret;
goto out;
}
} else if (dn->d_inode &&
@@ -1351,9 +1321,6 @@
spin_unlock(&parent->d_lock);
}
- di = dn->d_fsdata;
- di->offset = ceph_make_fpos(frag, i + r_readdir_offset);
-
/* inode */
if (dn->d_inode) {
in = dn->d_inode;
@@ -1366,26 +1333,39 @@
err = PTR_ERR(in);
goto out;
}
- dn = splice_dentry(dn, in, NULL, false);
- if (IS_ERR(dn))
- dn = NULL;
}
if (fill_inode(in, &rinfo->dir_in[i], NULL, session,
req->r_request_started, -1,
&req->r_caps_reservation) < 0) {
pr_err("fill_inode badness on %p\n", in);
+ if (!dn->d_inode)
+ iput(in);
+ d_drop(dn);
goto next_item;
}
- if (dn)
- update_dentry_lease(dn, rinfo->dir_dlease[i],
- req->r_session,
- req->r_request_started);
+
+ if (!dn->d_inode) {
+ dn = splice_dentry(dn, in, NULL, false);
+ if (IS_ERR(dn)) {
+ err = PTR_ERR(dn);
+ dn = NULL;
+ goto next_item;
+ }
+ }
+
+ di = dn->d_fsdata;
+ di->offset = ceph_make_fpos(frag, i + r_readdir_offset);
+
+ update_dentry_lease(dn, rinfo->dir_dlease[i],
+ req->r_session,
+ req->r_request_started);
next_item:
if (dn)
dput(dn);
}
- req->r_did_prepopulate = true;
+ if (err == 0)
+ req->r_did_prepopulate = true;
out:
if (snapdir) {
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index b94f936..35e7d08 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -609,7 +609,7 @@
struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata;
struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
struct sysfs_open_file *of;
- bool has_read, has_write, has_mmap;
+ bool has_read, has_write;
int error = -EACCES;
/* need attr_sd for attr and ops, its parent for kobj */
@@ -621,7 +621,6 @@
has_read = battr->read || battr->mmap;
has_write = battr->write || battr->mmap;
- has_mmap = battr->mmap;
} else {
const struct sysfs_ops *ops = sysfs_file_ops(attr_sd);
@@ -633,7 +632,6 @@
has_read = ops->show;
has_write = ops->store;
- has_mmap = false;
}
/* check perms and supported operations */
@@ -661,9 +659,9 @@
* open file has a separate mutex, it's okay as long as those don't
* happen on the same file. At this point, we can't easily give
* each file a separate locking class. Let's differentiate on
- * whether the file has mmap or not for now.
+ * whether the file is bin or not for now.
*/
- if (has_mmap)
+ if (sysfs_is_bin(attr_sd))
mutex_init(&of->mutex);
else
mutex_init(&of->mutex);
diff --git a/include/asm-generic/preempt.h b/include/asm-generic/preempt.h
index ddf2b42..1cd3f5d 100644
--- a/include/asm-generic/preempt.h
+++ b/include/asm-generic/preempt.h
@@ -3,13 +3,11 @@
#include <linux/thread_info.h>
-/*
- * We mask the PREEMPT_NEED_RESCHED bit so as not to confuse all current users
- * that think a non-zero value indicates we cannot preempt.
- */
+#define PREEMPT_ENABLED (0)
+
static __always_inline int preempt_count(void)
{
- return current_thread_info()->preempt_count & ~PREEMPT_NEED_RESCHED;
+ return current_thread_info()->preempt_count;
}
static __always_inline int *preempt_count_ptr(void)
@@ -17,11 +15,6 @@
return ¤t_thread_info()->preempt_count;
}
-/*
- * We now loose PREEMPT_NEED_RESCHED and cause an extra reschedule; however the
- * alternative is loosing a reschedule. Better schedule too often -- also this
- * should be a very rare operation.
- */
static __always_inline void preempt_count_set(int pc)
{
*preempt_count_ptr() = pc;
@@ -41,28 +34,17 @@
task_thread_info(p)->preempt_count = PREEMPT_ENABLED; \
} while (0)
-/*
- * We fold the NEED_RESCHED bit into the preempt count such that
- * preempt_enable() can decrement and test for needing to reschedule with a
- * single instruction.
- *
- * We invert the actual bit, so that when the decrement hits 0 we know we both
- * need to resched (the bit is cleared) and can resched (no preempt count).
- */
-
static __always_inline void set_preempt_need_resched(void)
{
- *preempt_count_ptr() &= ~PREEMPT_NEED_RESCHED;
}
static __always_inline void clear_preempt_need_resched(void)
{
- *preempt_count_ptr() |= PREEMPT_NEED_RESCHED;
}
static __always_inline bool test_preempt_need_resched(void)
{
- return !(*preempt_count_ptr() & PREEMPT_NEED_RESCHED);
+ return false;
}
/*
@@ -81,7 +63,12 @@
static __always_inline bool __preempt_count_dec_and_test(void)
{
- return !--*preempt_count_ptr();
+ /*
+ * Because of load-store architectures cannot do per-cpu atomic
+ * operations; we cannot use PREEMPT_NEED_RESCHED because it might get
+ * lost.
+ */
+ return !--*preempt_count_ptr() && tif_need_resched();
}
/*
@@ -89,7 +76,7 @@
*/
static __always_inline bool should_resched(void)
{
- return unlikely(!*preempt_count_ptr());
+ return unlikely(!preempt_count() && tif_need_resched());
}
#ifdef CONFIG_PREEMPT
diff --git a/include/linux/math64.h b/include/linux/math64.h
index 69ed5f5..c45c089 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -133,4 +133,34 @@
return ret;
}
+#if defined(CONFIG_ARCH_SUPPORTS_INT128) && defined(__SIZEOF_INT128__)
+
+#ifndef mul_u64_u32_shr
+static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift)
+{
+ return (u64)(((unsigned __int128)a * mul) >> shift);
+}
+#endif /* mul_u64_u32_shr */
+
+#else
+
+#ifndef mul_u64_u32_shr
+static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift)
+{
+ u32 ah, al;
+ u64 ret;
+
+ al = a;
+ ah = a >> 32;
+
+ ret = ((u64)al * mul) >> shift;
+ if (ah)
+ ret += ((u64)ah * mul) << (32 - shift);
+
+ return ret;
+}
+#endif /* mul_u64_u32_shr */
+
+#endif
+
#endif /* _LINUX_MATH64_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 768b037..53f97eb 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -440,8 +440,6 @@
.sum_exec_runtime = 0, \
}
-#define PREEMPT_ENABLED (PREEMPT_NEED_RESCHED)
-
#ifdef CONFIG_PREEMPT_COUNT
#define PREEMPT_DISABLED (1 + PREEMPT_ENABLED)
#else
@@ -932,7 +930,8 @@
struct uts_namespace;
struct load_weight {
- unsigned long weight, inv_weight;
+ unsigned long weight;
+ u32 inv_weight;
};
struct sched_avg {
diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h
index bcb0912..f854ca4 100644
--- a/include/uapi/drm/vmwgfx_drm.h
+++ b/include/uapi/drm/vmwgfx_drm.h
@@ -75,6 +75,7 @@
#define DRM_VMW_PARAM_FIFO_CAPS 4
#define DRM_VMW_PARAM_MAX_FB_SIZE 5
#define DRM_VMW_PARAM_FIFO_HW_VERSION 6
+#define DRM_VMW_PARAM_MAX_SURF_MEMORY 7
/**
* struct drm_vmw_getparam_arg
diff --git a/init/Kconfig b/init/Kconfig
index 79383d3..4e5d96a 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -809,6 +809,12 @@
config ARCH_SUPPORTS_NUMA_BALANCING
bool
+#
+# For architectures that know their GCC __int128 support is sound
+#
+config ARCH_SUPPORTS_INT128
+ bool
+
# For architectures that (ab)use NUMA to represent different memory regions
# all cpu-local but of different latencies, such as SuperH.
#
diff --git a/kernel/Makefile b/kernel/Makefile
index bbaf7d5..bc010ee 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -137,9 +137,10 @@
###############################################################################
ifeq ($(CONFIG_SYSTEM_TRUSTED_KEYRING),y)
X509_CERTIFICATES-y := $(wildcard *.x509) $(wildcard $(srctree)/*.x509)
-X509_CERTIFICATES-$(CONFIG_MODULE_SIG) += signing_key.x509
-X509_CERTIFICATES := $(sort $(foreach CERT,$(X509_CERTIFICATES-y), \
+X509_CERTIFICATES-$(CONFIG_MODULE_SIG) += $(objtree)/signing_key.x509
+X509_CERTIFICATES-raw := $(sort $(foreach CERT,$(X509_CERTIFICATES-y), \
$(or $(realpath $(CERT)),$(CERT))))
+X509_CERTIFICATES := $(subst $(realpath $(objtree))/,,$(X509_CERTIFICATES-raw))
ifeq ($(X509_CERTIFICATES),)
$(warning *** No X.509 certificates found ***)
@@ -164,9 +165,9 @@
targets += $(obj)/.x509.list
$(obj)/.x509.list:
@echo $(X509_CERTIFICATES) >$@
+endif
clean-files := x509_certificate_list .x509.list
-endif
ifeq ($(CONFIG_MODULE_SIG),y)
###############################################################################
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index e85cda2..19af58f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5112,6 +5112,7 @@
* die on a /0 trap.
*/
sg->sgp->power = SCHED_POWER_SCALE * cpumask_weight(sg_span);
+ sg->sgp->power_orig = sg->sgp->power;
/*
* Make sure the first group of this domain contains the
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index fd773ad..9030da7 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -178,59 +178,61 @@
update_sysctl();
}
-#if BITS_PER_LONG == 32
-# define WMULT_CONST (~0UL)
-#else
-# define WMULT_CONST (1UL << 32)
-#endif
-
+#define WMULT_CONST (~0U)
#define WMULT_SHIFT 32
-/*
- * Shift right and round:
- */
-#define SRR(x, y) (((x) + (1UL << ((y) - 1))) >> (y))
-
-/*
- * delta *= weight / lw
- */
-static unsigned long
-calc_delta_mine(unsigned long delta_exec, unsigned long weight,
- struct load_weight *lw)
+static void __update_inv_weight(struct load_weight *lw)
{
- u64 tmp;
+ unsigned long w;
- /*
- * weight can be less than 2^SCHED_LOAD_RESOLUTION for task group sched
- * entities since MIN_SHARES = 2. Treat weight as 1 if less than
- * 2^SCHED_LOAD_RESOLUTION.
- */
- if (likely(weight > (1UL << SCHED_LOAD_RESOLUTION)))
- tmp = (u64)delta_exec * scale_load_down(weight);
+ if (likely(lw->inv_weight))
+ return;
+
+ w = scale_load_down(lw->weight);
+
+ if (BITS_PER_LONG > 32 && unlikely(w >= WMULT_CONST))
+ lw->inv_weight = 1;
+ else if (unlikely(!w))
+ lw->inv_weight = WMULT_CONST;
else
- tmp = (u64)delta_exec;
+ lw->inv_weight = WMULT_CONST / w;
+}
- if (!lw->inv_weight) {
- unsigned long w = scale_load_down(lw->weight);
+/*
+ * delta_exec * weight / lw.weight
+ * OR
+ * (delta_exec * (weight * lw->inv_weight)) >> WMULT_SHIFT
+ *
+ * Either weight := NICE_0_LOAD and lw \e prio_to_wmult[], in which case
+ * we're guaranteed shift stays positive because inv_weight is guaranteed to
+ * fit 32 bits, and NICE_0_LOAD gives another 10 bits; therefore shift >= 22.
+ *
+ * Or, weight =< lw.weight (because lw.weight is the runqueue weight), thus
+ * weight/lw.weight <= 1, and therefore our shift will also be positive.
+ */
+static u64 __calc_delta(u64 delta_exec, unsigned long weight, struct load_weight *lw)
+{
+ u64 fact = scale_load_down(weight);
+ int shift = WMULT_SHIFT;
- if (BITS_PER_LONG > 32 && unlikely(w >= WMULT_CONST))
- lw->inv_weight = 1;
- else if (unlikely(!w))
- lw->inv_weight = WMULT_CONST;
- else
- lw->inv_weight = WMULT_CONST / w;
+ __update_inv_weight(lw);
+
+ if (unlikely(fact >> 32)) {
+ while (fact >> 32) {
+ fact >>= 1;
+ shift--;
+ }
}
- /*
- * Check whether we'd overflow the 64-bit multiplication:
- */
- if (unlikely(tmp > WMULT_CONST))
- tmp = SRR(SRR(tmp, WMULT_SHIFT/2) * lw->inv_weight,
- WMULT_SHIFT/2);
- else
- tmp = SRR(tmp * lw->inv_weight, WMULT_SHIFT);
+ /* hint to use a 32x32->64 mul */
+ fact = (u64)(u32)fact * lw->inv_weight;
- return (unsigned long)min(tmp, (u64)(unsigned long)LONG_MAX);
+ while (fact >> 32) {
+ fact >>= 1;
+ shift--;
+ }
+
+ return mul_u64_u32_shr(delta_exec, fact, shift);
}
@@ -443,7 +445,7 @@
#endif /* CONFIG_FAIR_GROUP_SCHED */
static __always_inline
-void account_cfs_rq_runtime(struct cfs_rq *cfs_rq, unsigned long delta_exec);
+void account_cfs_rq_runtime(struct cfs_rq *cfs_rq, u64 delta_exec);
/**************************************************************
* Scheduling class tree data structure manipulation methods:
@@ -612,11 +614,10 @@
/*
* delta /= w
*/
-static inline unsigned long
-calc_delta_fair(unsigned long delta, struct sched_entity *se)
+static inline u64 calc_delta_fair(u64 delta, struct sched_entity *se)
{
if (unlikely(se->load.weight != NICE_0_LOAD))
- delta = calc_delta_mine(delta, NICE_0_LOAD, &se->load);
+ delta = __calc_delta(delta, NICE_0_LOAD, &se->load);
return delta;
}
@@ -665,7 +666,7 @@
update_load_add(&lw, se->load.weight);
load = &lw;
}
- slice = calc_delta_mine(slice, se->load.weight, load);
+ slice = __calc_delta(slice, se->load.weight, load);
}
return slice;
}
@@ -703,47 +704,32 @@
#endif
/*
- * Update the current task's runtime statistics. Skip current tasks that
- * are not in our scheduling class.
+ * Update the current task's runtime statistics.
*/
-static inline void
-__update_curr(struct cfs_rq *cfs_rq, struct sched_entity *curr,
- unsigned long delta_exec)
-{
- unsigned long delta_exec_weighted;
-
- schedstat_set(curr->statistics.exec_max,
- max((u64)delta_exec, curr->statistics.exec_max));
-
- curr->sum_exec_runtime += delta_exec;
- schedstat_add(cfs_rq, exec_clock, delta_exec);
- delta_exec_weighted = calc_delta_fair(delta_exec, curr);
-
- curr->vruntime += delta_exec_weighted;
- update_min_vruntime(cfs_rq);
-}
-
static void update_curr(struct cfs_rq *cfs_rq)
{
struct sched_entity *curr = cfs_rq->curr;
u64 now = rq_clock_task(rq_of(cfs_rq));
- unsigned long delta_exec;
+ u64 delta_exec;
if (unlikely(!curr))
return;
- /*
- * Get the amount of time the current task was running
- * since the last time we changed load (this cannot
- * overflow on 32 bits):
- */
- delta_exec = (unsigned long)(now - curr->exec_start);
- if (!delta_exec)
+ delta_exec = now - curr->exec_start;
+ if (unlikely((s64)delta_exec <= 0))
return;
- __update_curr(cfs_rq, curr, delta_exec);
curr->exec_start = now;
+ schedstat_set(curr->statistics.exec_max,
+ max(delta_exec, curr->statistics.exec_max));
+
+ curr->sum_exec_runtime += delta_exec;
+ schedstat_add(cfs_rq, exec_clock, delta_exec);
+
+ curr->vruntime += calc_delta_fair(delta_exec, curr);
+ update_min_vruntime(cfs_rq);
+
if (entity_is_task(curr)) {
struct task_struct *curtask = task_of(curr);
@@ -3015,8 +3001,7 @@
}
}
-static void __account_cfs_rq_runtime(struct cfs_rq *cfs_rq,
- unsigned long delta_exec)
+static void __account_cfs_rq_runtime(struct cfs_rq *cfs_rq, u64 delta_exec)
{
/* dock delta_exec before expiring quota (as it could span periods) */
cfs_rq->runtime_remaining -= delta_exec;
@@ -3034,7 +3019,7 @@
}
static __always_inline
-void account_cfs_rq_runtime(struct cfs_rq *cfs_rq, unsigned long delta_exec)
+void account_cfs_rq_runtime(struct cfs_rq *cfs_rq, u64 delta_exec)
{
if (!cfs_bandwidth_used() || !cfs_rq->runtime_enabled)
return;
@@ -3574,8 +3559,7 @@
return rq_clock_task(rq_of(cfs_rq));
}
-static void account_cfs_rq_runtime(struct cfs_rq *cfs_rq,
- unsigned long delta_exec) {}
+static void account_cfs_rq_runtime(struct cfs_rq *cfs_rq, u64 delta_exec) {}
static void check_cfs_rq_runtime(struct cfs_rq *cfs_rq) {}
static void check_enqueue_throttle(struct cfs_rq *cfs_rq) {}
static __always_inline void return_cfs_rq_runtime(struct cfs_rq *cfs_rq) {}
diff --git a/kernel/user.c b/kernel/user.c
index a3a0dbf..c006131 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -51,9 +51,9 @@
.owner = GLOBAL_ROOT_UID,
.group = GLOBAL_ROOT_GID,
.proc_inum = PROC_USER_INIT_INO,
-#ifdef CONFIG_KEYS_KERBEROS_CACHE
- .krb_cache_register_sem =
- __RWSEM_INITIALIZER(init_user_ns.krb_cache_register_sem),
+#ifdef CONFIG_PERSISTENT_KEYRINGS
+ .persistent_keyring_register_sem =
+ __RWSEM_INITIALIZER(init_user_ns.persistent_keyring_register_sem),
#endif
};
EXPORT_SYMBOL_GPL(init_user_ns);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index ca15f32..36b1443 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1161,6 +1161,7 @@
neigh->parms->reachable_time :
0)));
neigh->nud_state = new;
+ notify = 1;
}
if (lladdr != neigh->ha) {
diff --git a/net/ipv4/netfilter/ipt_SYNPROXY.c b/net/ipv4/netfilter/ipt_SYNPROXY.c
index f13bd91..a313c3f 100644
--- a/net/ipv4/netfilter/ipt_SYNPROXY.c
+++ b/net/ipv4/netfilter/ipt_SYNPROXY.c
@@ -423,6 +423,7 @@
static struct xt_target synproxy_tg4_reg __read_mostly = {
.name = "SYNPROXY",
.family = NFPROTO_IPV4,
+ .hooks = (1 << NF_INET_LOCAL_IN) | (1 << NF_INET_FORWARD),
.target = synproxy_tg4,
.targetsize = sizeof(struct xt_synproxy_info),
.checkentry = synproxy_tg4_check,
diff --git a/net/ipv4/netfilter/nft_reject_ipv4.c b/net/ipv4/netfilter/nft_reject_ipv4.c
index fff5ba1..4a5e94a 100644
--- a/net/ipv4/netfilter/nft_reject_ipv4.c
+++ b/net/ipv4/netfilter/nft_reject_ipv4.c
@@ -72,7 +72,7 @@
{
const struct nft_reject *priv = nft_expr_priv(expr);
- if (nla_put_be32(skb, NFTA_REJECT_TYPE, priv->type))
+ if (nla_put_be32(skb, NFTA_REJECT_TYPE, htonl(priv->type)))
goto nla_put_failure;
switch (priv->type) {
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 62c19fd..f140048 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1600,20 +1600,15 @@
}
/* For TCP sockets, sk_rx_dst is protected by socket lock
- * For UDP, we use sk_dst_lock to guard against concurrent changes.
+ * For UDP, we use xchg() to guard against concurrent changes.
*/
static void udp_sk_rx_dst_set(struct sock *sk, struct dst_entry *dst)
{
struct dst_entry *old;
- spin_lock(&sk->sk_dst_lock);
- old = sk->sk_rx_dst;
- if (likely(old != dst)) {
- dst_hold(dst);
- sk->sk_rx_dst = dst;
- dst_release(old);
- }
- spin_unlock(&sk->sk_dst_lock);
+ dst_hold(dst);
+ old = xchg(&sk->sk_rx_dst, dst);
+ dst_release(old);
}
/*
diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c
index f78f41a..a0d1727 100644
--- a/net/ipv6/netfilter/ip6t_SYNPROXY.c
+++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c
@@ -446,6 +446,7 @@
static struct xt_target synproxy_tg6_reg __read_mostly = {
.name = "SYNPROXY",
.family = NFPROTO_IPV6,
+ .hooks = (1 << NF_INET_LOCAL_IN) | (1 << NF_INET_FORWARD),
.target = synproxy_tg6,
.targetsize = sizeof(struct xt_synproxy_info),
.checkentry = synproxy_tg6_check,
diff --git a/net/sctp/probe.c b/net/sctp/probe.c
index 53c452e..5e68b94 100644
--- a/net/sctp/probe.c
+++ b/net/sctp/probe.c
@@ -38,6 +38,7 @@
#include <net/sctp/sctp.h>
#include <net/sctp/sm.h>
+MODULE_SOFTDEP("pre: sctp");
MODULE_AUTHOR("Wei Yongjun <yjwei@cn.fujitsu.com>");
MODULE_DESCRIPTION("SCTP snooper");
MODULE_LICENSE("GPL");
@@ -182,6 +183,20 @@
.entry = jsctp_sf_eat_sack,
};
+static __init int sctp_setup_jprobe(void)
+{
+ int ret = register_jprobe(&sctp_recv_probe);
+
+ if (ret) {
+ if (request_module("sctp"))
+ goto out;
+ ret = register_jprobe(&sctp_recv_probe);
+ }
+
+out:
+ return ret;
+}
+
static __init int sctpprobe_init(void)
{
int ret = -ENOMEM;
@@ -202,7 +217,7 @@
&sctpprobe_fops))
goto free_kfifo;
- ret = register_jprobe(&sctp_recv_probe);
+ ret = sctp_setup_jprobe();
if (ret)
goto remove_proc;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index a0ca162e..a427623 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -718,7 +718,9 @@
int err;
unsigned int retries = 0;
- mutex_lock(&u->readlock);
+ err = mutex_lock_interruptible(&u->readlock);
+ if (err)
+ return err;
err = 0;
if (u->addr)
@@ -877,7 +879,9 @@
goto out;
addr_len = err;
- mutex_lock(&u->readlock);
+ err = mutex_lock_interruptible(&u->readlock);
+ if (err)
+ goto out;
err = -EINVAL;
if (u->addr)
diff --git a/tools/power/cpupower/utils/cpupower-set.c b/tools/power/cpupower/utils/cpupower-set.c
index dc4de37..bcf1d2f 100644
--- a/tools/power/cpupower/utils/cpupower-set.c
+++ b/tools/power/cpupower/utils/cpupower-set.c
@@ -18,9 +18,9 @@
#include "helpers/bitmask.h"
static struct option set_opts[] = {
- { .name = "perf-bias", .has_arg = optional_argument, .flag = NULL, .val = 'b'},
- { .name = "sched-mc", .has_arg = optional_argument, .flag = NULL, .val = 'm'},
- { .name = "sched-smt", .has_arg = optional_argument, .flag = NULL, .val = 's'},
+ { .name = "perf-bias", .has_arg = required_argument, .flag = NULL, .val = 'b'},
+ { .name = "sched-mc", .has_arg = required_argument, .flag = NULL, .val = 'm'},
+ { .name = "sched-smt", .has_arg = required_argument, .flag = NULL, .val = 's'},
{ },
};