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Open Source and information security mailing list archives
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Date: Fri, 12 Apr 2013 10:39:15 -0700
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 3.0.73
diff --git a/Makefile b/Makefile
index 533c56b..f82a70f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 0
-SUBLEVEL = 72
+SUBLEVEL = 73
EXTRAVERSION =
NAME = Sneaky Weasel
diff --git a/arch/alpha/kernel/sys_nautilus.c b/arch/alpha/kernel/sys_nautilus.c
index 99c0f46..dc616b3 100644
--- a/arch/alpha/kernel/sys_nautilus.c
+++ b/arch/alpha/kernel/sys_nautilus.c
@@ -189,6 +189,10 @@ nautilus_machine_check(unsigned long vector, unsigned long la_ptr)
extern void free_reserved_mem(void *, void *);
extern void pcibios_claim_one_bus(struct pci_bus *);
+static struct resource irongate_io = {
+ .name = "Irongate PCI IO",
+ .flags = IORESOURCE_IO,
+};
static struct resource irongate_mem = {
.name = "Irongate PCI MEM",
.flags = IORESOURCE_MEM,
@@ -210,6 +214,7 @@ nautilus_init_pci(void)
irongate = pci_get_bus_and_slot(0, 0);
bus->self = irongate;
+ bus->resource[0] = &irongate_io;
bus->resource[1] = &irongate_mem;
pci_bus_size_bridges(bus);
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 81e30d9..2e0b2a7 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -377,7 +377,13 @@ static long pSeries_lpar_hpte_remove(unsigned long hpte_group)
(0x1UL << 4), &dummy1, &dummy2);
if (lpar_rc == H_SUCCESS)
return i;
- BUG_ON(lpar_rc != H_NOT_FOUND);
+
+ /*
+ * The test for adjunct partition is performed before the
+ * ANDCOND test. H_RESOURCE may be returned, so we need to
+ * check for that as well.
+ */
+ BUG_ON(lpar_rc != H_NOT_FOUND && lpar_rc != H_RESOURCE);
slot_offset++;
slot_offset &= 0x7;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a0e9bda..90bf314 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1219,10 +1219,6 @@ config HAVE_ARCH_BOOTMEM
def_bool y
depends on X86_32 && NUMA
-config HAVE_ARCH_ALLOC_REMAP
- def_bool y
- depends on X86_32 && NUMA
-
config ARCH_HAVE_MEMORY_PRESENT
def_bool y
depends on X86_32 && DISCONTIGMEM
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index f5510d8..469ccae 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -207,9 +207,6 @@ static void __init setup_node_data(int nid, u64 start, u64 end)
if (end && (end - start) < NODE_MIN_SIZE)
return;
- /* initialize remap allocator before aligning to ZONE_ALIGN */
- init_alloc_remap(nid, start, end);
-
start = roundup(start, ZONE_ALIGN);
printk(KERN_INFO "Initmem setup node %d %016Lx-%016Lx\n",
diff --git a/arch/x86/mm/numa_internal.h b/arch/x86/mm/numa_internal.h
index 7178c3a..ad86ec9 100644
--- a/arch/x86/mm/numa_internal.h
+++ b/arch/x86/mm/numa_internal.h
@@ -21,12 +21,6 @@ void __init numa_reset_distance(void);
void __init x86_numa_init(void);
-#ifdef CONFIG_X86_64
-static inline void init_alloc_remap(int nid, u64 start, u64 end) { }
-#else
-void __init init_alloc_remap(int nid, u64 start, u64 end);
-#endif
-
#ifdef CONFIG_NUMA_EMU
void __init numa_emulation(struct numa_meminfo *numa_meminfo,
int numa_dist_cnt);
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 45c56d8..cb0f1a0 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -200,6 +200,8 @@ queue_store_##name(struct request_queue *q, const char *page, size_t count) \
unsigned long val; \
ssize_t ret; \
ret = queue_var_store(&val, page, count); \
+ if (ret < 0) \
+ return ret; \
if (neg) \
val = !val; \
\
diff --git a/crypto/gcm.c b/crypto/gcm.c
index 1a25263..b97b186 100644
--- a/crypto/gcm.c
+++ b/crypto/gcm.c
@@ -44,6 +44,7 @@ struct crypto_rfc4543_ctx {
struct crypto_rfc4543_req_ctx {
u8 auth_tag[16];
+ u8 assocbuf[32];
struct scatterlist cipher[1];
struct scatterlist payload[2];
struct scatterlist assoc[2];
@@ -1142,9 +1143,19 @@ static struct aead_request *crypto_rfc4543_crypt(struct aead_request *req,
scatterwalk_crypto_chain(payload, dst, vdst == req->iv + 8, 2);
assoclen += 8 + req->cryptlen - (enc ? 0 : authsize);
- sg_init_table(assoc, 2);
- sg_set_page(assoc, sg_page(req->assoc), req->assoc->length,
- req->assoc->offset);
+ if (req->assoc->length == req->assoclen) {
+ sg_init_table(assoc, 2);
+ sg_set_page(assoc, sg_page(req->assoc), req->assoc->length,
+ req->assoc->offset);
+ } else {
+ BUG_ON(req->assoclen > sizeof(rctx->assocbuf));
+
+ scatterwalk_map_and_copy(rctx->assocbuf, req->assoc, 0,
+ req->assoclen, 0);
+
+ sg_init_table(assoc, 2);
+ sg_set_buf(assoc, rctx->assocbuf, req->assoclen);
+ }
scatterwalk_crypto_chain(assoc, payload, 0, 2);
aead_request_set_tfm(subreq, ctx->child);
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 5a72e36..172619e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2412,6 +2412,9 @@ int ata_dev_configure(struct ata_device *dev)
dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
dev->max_sectors);
+ if (dev->horkage & ATA_HORKAGE_MAX_SEC_LBA48)
+ dev->max_sectors = ATA_MAX_SECTORS_LBA48;
+
if (ap->ops->dev_config)
ap->ops->dev_config(dev);
@@ -4077,6 +4080,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* Weird ATAPI devices */
{ "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_128 },
{ "QUANTUM DAT DAT72-000", NULL, ATA_HORKAGE_ATAPI_MOD16_DMA },
+ { "Slimtype DVD A DS8A8SH", NULL, ATA_HORKAGE_MAX_SEC_LBA48 },
/* Devices we expect to fail diagnostics */
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index 45dfc2b..3f1559e 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -561,14 +561,6 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter)
return ret;
}
- /* cancel current command */
- if (adapter->curr_cmd) {
- dev_warn(adapter->dev, "curr_cmd is still in processing\n");
- del_timer(&adapter->cmd_timer);
- mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
- adapter->curr_cmd = NULL;
- }
-
/* shut down mwifiex */
dev_dbg(adapter->dev, "info: shutdown mwifiex...\n");
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 17148bb..10fe07d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -52,8 +52,8 @@ int rt2x00pci_regbusy_read(struct rt2x00_dev *rt2x00dev,
udelay(REGISTER_BUSY_DELAY);
}
- ERROR(rt2x00dev, "Indirect register access failed: "
- "offset=0x%.08x, value=0x%.08x\n", offset, *reg);
+ printk_once(KERN_ERR "%s() Indirect register access failed: "
+ "offset=0x%.08x, value=0x%.08x\n", __func__, offset, *reg);
*reg = ~0;
return 0;
diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 0b1c82a..ba6b71b 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -1319,6 +1319,7 @@ static int __init thermal_init(void)
idr_destroy(&thermal_cdev_idr);
mutex_destroy(&thermal_idr_lock);
mutex_destroy(&thermal_list_lock);
+ return result;
}
result = genetlink_init();
return result;
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index dd732c7..443ffb8 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -22,6 +22,7 @@
#include <linux/random.h>
#include <linux/bitops.h>
#include <linux/blkdev.h>
+#include <linux/math64.h>
#include <asm/byteorder.h>
#include "ext4.h"
@@ -356,7 +357,7 @@ static int find_group_flex(struct super_block *sb, struct inode *parent,
find_close_to_parent:
flexbg_free_blocks = atomic64_read(&flex_group[best_flex].free_blocks);
- flex_freeb_ratio = flexbg_free_blocks * 100 / blocks_per_flex;
+ flex_freeb_ratio = div64_u64(flexbg_free_blocks * 100, blocks_per_flex);
if (atomic_read(&flex_group[best_flex].free_inodes) &&
flex_freeb_ratio > free_block_ratio)
goto found_flexbg;
@@ -371,7 +372,7 @@ find_close_to_parent:
continue;
flexbg_free_blocks = atomic64_read(&flex_group[i].free_blocks);
- flex_freeb_ratio = flexbg_free_blocks * 100 / blocks_per_flex;
+ flex_freeb_ratio = div64_u64(flexbg_free_blocks * 100, blocks_per_flex);
if (flex_freeb_ratio > free_block_ratio &&
(atomic_read(&flex_group[i].free_inodes))) {
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index d780896..6e3ca4e 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -187,8 +187,8 @@ fill_with_dentries(void *buf, const char *name, int namelen, loff_t offset,
if (dbuf->count == ARRAY_SIZE(dbuf->dentries))
return -ENOSPC;
- if (name[0] == '.' && (name[1] == '\0' ||
- (name[1] == '.' && name[2] == '\0')))
+ if (name[0] == '.' && (namelen < 2 ||
+ (namelen == 2 && name[1] == '.')))
return 0;
dentry = lookup_one_len(name, dbuf->xadir, namelen);
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 529be05..db04976 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1583,6 +1583,12 @@ static int ubifs_remount_rw(struct ubifs_info *c)
c->remounting_rw = 1;
c->ro_mount = 0;
+ if (c->space_fixup) {
+ err = ubifs_fixup_free_space(c);
+ if (err)
+ return err;
+ }
+
err = check_free_space(c);
if (err)
goto out;
@@ -1699,12 +1705,6 @@ static int ubifs_remount_rw(struct ubifs_info *c)
err = dbg_check_space_info(c);
}
- if (c->space_fixup) {
- err = ubifs_fixup_free_space(c);
- if (err)
- goto out;
- }
-
mutex_unlock(&c->umount_mutex);
return err;
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 32df2b6..5856c9e 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -937,7 +937,7 @@ static inline int atapi_cdb_len(const u16 *dev_id)
}
}
-static inline bool atapi_command_packet_set(const u16 *dev_id)
+static inline int atapi_command_packet_set(const u16 *dev_id)
{
return (dev_id[ATA_ID_CONFIG] >> 8) & 0x1f;
}
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 5a9926b..1cf324e 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -382,6 +382,7 @@ enum {
ATA_HORKAGE_NOSETXFER = (1 << 14), /* skip SETXFER, SATA only */
ATA_HORKAGE_BROKEN_FPDMA_AA = (1 << 15), /* skip AA */
ATA_HORKAGE_DUMP_ID = (1 << 16), /* dump IDENTIFY data */
+ ATA_HORKAGE_MAX_SEC_LBA48 = (1 << 17), /* Set max sects to 65535 */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 2e681d9..d309dcb 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -82,14 +82,20 @@ do { \
#else
-#define preempt_disable() do { } while (0)
-#define preempt_enable_no_resched() do { } while (0)
-#define preempt_enable() do { } while (0)
-#define preempt_check_resched() do { } while (0)
-
-#define preempt_disable_notrace() do { } while (0)
-#define preempt_enable_no_resched_notrace() do { } while (0)
-#define preempt_enable_notrace() do { } while (0)
+/*
+ * Even if we don't have any preemption, we need preempt disable/enable
+ * to be barriers, so that we don't have things like get_user/put_user
+ * that can cause faults and scheduling migrate into our preempt-protected
+ * region.
+ */
+#define preempt_disable() barrier()
+#define preempt_enable_no_resched() barrier()
+#define preempt_enable() barrier()
+#define preempt_check_resched() barrier()
+
+#define preempt_disable_notrace() barrier()
+#define preempt_enable_no_resched_notrace() barrier()
+#define preempt_enable_notrace() barrier()
#endif
diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index a26e2fb..e2369c1 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -16,7 +16,10 @@
* In the debug case, 1 means unlocked, 0 means locked. (the values
* are inverted, to catch initialization bugs)
*
- * No atomicity anywhere, we are on UP.
+ * No atomicity anywhere, we are on UP. However, we still need
+ * the compiler barriers, because we do not want the compiler to
+ * move potentially faulting instructions (notably user accesses)
+ * into the locked sequence, resulting in non-atomic execution.
*/
#ifdef CONFIG_DEBUG_SPINLOCK
@@ -25,6 +28,7 @@
static inline void arch_spin_lock(arch_spinlock_t *lock)
{
lock->slock = 0;
+ barrier();
}
static inline void
@@ -32,6 +36,7 @@ arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
{
local_irq_save(flags);
lock->slock = 0;
+ barrier();
}
static inline int arch_spin_trylock(arch_spinlock_t *lock)
@@ -39,32 +44,34 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
char oldval = lock->slock;
lock->slock = 0;
+ barrier();
return oldval > 0;
}
static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
+ barrier();
lock->slock = 1;
}
/*
* Read-write spinlocks. No debug version.
*/
-#define arch_read_lock(lock) do { (void)(lock); } while (0)
-#define arch_write_lock(lock) do { (void)(lock); } while (0)
-#define arch_read_trylock(lock) ({ (void)(lock); 1; })
-#define arch_write_trylock(lock) ({ (void)(lock); 1; })
-#define arch_read_unlock(lock) do { (void)(lock); } while (0)
-#define arch_write_unlock(lock) do { (void)(lock); } while (0)
+#define arch_read_lock(lock) do { barrier(); (void)(lock); } while (0)
+#define arch_write_lock(lock) do { barrier(); (void)(lock); } while (0)
+#define arch_read_trylock(lock) ({ barrier(); (void)(lock); 1; })
+#define arch_write_trylock(lock) ({ barrier(); (void)(lock); 1; })
+#define arch_read_unlock(lock) do { barrier(); (void)(lock); } while (0)
+#define arch_write_unlock(lock) do { barrier(); (void)(lock); } while (0)
#else /* DEBUG_SPINLOCK */
#define arch_spin_is_locked(lock) ((void)(lock), 0)
/* for sched.c and kernel_lock.c: */
-# define arch_spin_lock(lock) do { (void)(lock); } while (0)
-# define arch_spin_lock_flags(lock, flags) do { (void)(lock); } while (0)
-# define arch_spin_unlock(lock) do { (void)(lock); } while (0)
-# define arch_spin_trylock(lock) ({ (void)(lock); 1; })
+# define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0)
+# define arch_spin_lock_flags(lock, flags) do { barrier(); (void)(lock); } while (0)
+# define arch_spin_unlock(lock) do { barrier(); (void)(lock); } while (0)
+# define arch_spin_trylock(lock) ({ barrier(); (void)(lock); 1; })
#endif /* DEBUG_SPINLOCK */
#define arch_spin_is_contended(lock) (((void)(lock), 0))
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index b2ca34a..63ce76f 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3934,12 +3934,8 @@ ftrace_enable_sysctl(struct ctl_table *table, int write,
ftrace_startup_sysctl();
/* we are starting ftrace again */
- if (ftrace_ops_list != &ftrace_list_end) {
- if (ftrace_ops_list->next == &ftrace_list_end)
- ftrace_trace_function = ftrace_ops_list->func;
- else
- ftrace_trace_function = ftrace_ops_list_func;
- }
+ if (ftrace_ops_list != &ftrace_list_end)
+ update_ftrace_function();
} else {
/* stopping ftrace calls (just send to ftrace_stub) */
diff --git a/mm/mmap.c b/mm/mmap.c
index d49736f..d1cf520 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1581,7 +1581,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
if (mm) {
/* Check the cache first. */
/* (Cache hit rate is typically around 35%.) */
- vma = mm->mmap_cache;
+ vma = ACCESS_ONCE(mm->mmap_cache);
if (!(vma && vma->vm_end > addr && vma->vm_start <= addr)) {
struct rb_node * rb_node;
diff --git a/mm/nommu.c b/mm/nommu.c
index 5ff9b35..1692fef 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -808,7 +808,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
struct vm_area_struct *vma;
/* check the cache first */
- vma = mm->mmap_cache;
+ vma = ACCESS_ONCE(mm->mmap_cache);
if (vma && vma->vm_start <= addr && vma->vm_end > addr)
return vma;
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 7b747af..7031412 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -157,7 +157,7 @@ const char *snd_hda_get_jack_type(u32 cfg)
"Line Out", "Speaker", "HP Out", "CD",
"SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
"Line In", "Aux", "Mic", "Telephony",
- "SPDIF In", "Digitial In", "Reserved", "Other"
+ "SPDIF In", "Digital In", "Reserved", "Other"
};
return jack_types[(cfg & AC_DEFCFG_DEVICE)
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index e3e8531..64365a5 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -322,7 +322,7 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld,
struct hda_codec *codec, hda_nid_t nid)
{
int i;
- int ret;
+ int ret = 0;
int size;
unsigned char *buf;
diff --git a/sound/soc/sh/dma-sh7760.c b/sound/soc/sh/dma-sh7760.c
index c326d29..5ba023a 100644
--- a/sound/soc/sh/dma-sh7760.c
+++ b/sound/soc/sh/dma-sh7760.c
@@ -342,8 +342,8 @@ static int camelot_pcm_new(struct snd_card *card,
return 0;
}
-static struct snd_soc_platform sh7760_soc_platform = {
- .pcm_ops = &camelot_pcm_ops,
+static struct snd_soc_platform_driver sh7760_soc_platform = {
+ .ops = &camelot_pcm_ops,
.pcm_new = camelot_pcm_new,
.pcm_free = camelot_pcm_free,
};
--
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