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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-05 20:38:59 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-05 20:38:59 +1100
commit3296944e29a048c06c5d724ef5c2c8c6e1297161 (patch)
tree57ffef4f8e20f9f025efb3ec796da6ed6b2a8a7a
parent3f4e5aacf754bad84dd54826ea3a77983e201c80 (diff)
parente7e034e18a0ab6bafb2425c3242cac311164f4d6 (diff)
Merge branch 'akpm' (Andrew's patch-bomb)
Merge mix fixes from Andrew Morton. * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (12 commits) drivers/rtc/rtc-pl031.c: fix the missing operation on enable drivers/rtc/rtc-isl1208.c: call rtc_update_irq() from the alarm irq handler samples/seccomp: be less stupid about cross compiling checkpatch: fix $Float creation of match variables memcg: fix typo in kmemcg cache walk macro mm: fix wrong comments about anon_vma lock MAINTAINERS: update avr32 web ressources mm/hugetlb: set PTE as huge in hugetlb_change_protection and remove_migration_pte drivers/rtc/rtc-vt8500.c: fix year field in vt8500_rtc_set_time() tools/vm: add .gitignore to ignore built binaries thp: avoid dumping huge zero page nilfs2: fix fix very long mount time issue
-rw-r--r--MAINTAINERS2
-rw-r--r--drivers/rtc/rtc-isl1208.c3
-rw-r--r--drivers/rtc/rtc-pl031.c8
-rw-r--r--drivers/rtc/rtc-vt8500.c2
-rw-r--r--fs/nilfs2/ioctl.c5
-rw-r--r--include/linux/memcontrol.h2
-rw-r--r--include/linux/mmu_notifier.h2
-rw-r--r--mm/huge_memory.c4
-rw-r--r--mm/hugetlb.c1
-rw-r--r--mm/migrate.c4
-rw-r--r--mm/mmap.c2
-rw-r--r--samples/seccomp/Makefile2
-rwxr-xr-xscripts/checkpatch.pl10
-rw-r--r--tools/vm/.gitignore2
14 files changed, 34 insertions, 15 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 212c255b934..35a56bcd5e7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1489,7 +1489,7 @@ AVR32 ARCHITECTURE
M: Haavard Skinnemoen <hskinnemoen@gmail.com>
M: Hans-Christian Egtvedt <egtvedt@samfundet.no>
W: http://www.atmel.com/products/AVR32/
-W: http://avr32linux.org/
+W: http://mirror.egtvedt.no/avr32linux.org/
W: http://avrfreaks.net/
S: Maintained
F: arch/avr32/
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index afb7cfa85cc..c016ad81767 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -506,6 +506,7 @@ isl1208_rtc_interrupt(int irq, void *data)
{
unsigned long timeout = jiffies + msecs_to_jiffies(1000);
struct i2c_client *client = data;
+ struct rtc_device *rtc = i2c_get_clientdata(client);
int handled = 0, sr, err;
/*
@@ -528,6 +529,8 @@ isl1208_rtc_interrupt(int irq, void *data)
if (sr & ISL1208_REG_SR_ALM) {
dev_dbg(&client->dev, "alarm!\n");
+ rtc_update_irq(rtc, 1, RTC_IRQF | RTC_AF);
+
/* Clear the alarm */
sr &= ~ISL1208_REG_SR_ALM;
sr = i2c_smbus_write_byte_data(client, ISL1208_REG_SR, sr);
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index 08378e3cc21..10c1a3454e4 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -44,6 +44,7 @@
#define RTC_YMR 0x34 /* Year match register */
#define RTC_YLR 0x38 /* Year data load register */
+#define RTC_CR_EN (1 << 0) /* counter enable bit */
#define RTC_CR_CWEN (1 << 26) /* Clockwatch enable bit */
#define RTC_TCR_EN (1 << 1) /* Periodic timer enable bit */
@@ -320,7 +321,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
struct pl031_local *ldata;
struct pl031_vendor_data *vendor = id->data;
struct rtc_class_ops *ops = &vendor->ops;
- unsigned long time;
+ unsigned long time, data;
ret = amba_request_regions(adev, NULL);
if (ret)
@@ -345,10 +346,11 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
dev_dbg(&adev->dev, "designer ID = 0x%02x\n", amba_manf(adev));
dev_dbg(&adev->dev, "revision = 0x%01x\n", amba_rev(adev));
+ data = readl(ldata->base + RTC_CR);
/* Enable the clockwatch on ST Variants */
if (vendor->clockwatch)
- writel(readl(ldata->base + RTC_CR) | RTC_CR_CWEN,
- ldata->base + RTC_CR);
+ data |= RTC_CR_CWEN;
+ writel(data | RTC_CR_EN, ldata->base + RTC_CR);
/*
* On ST PL031 variants, the RTC reset value does not provide correct
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index 00c930f4b6f..2730533e2d2 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -137,7 +137,7 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
return -EINVAL;
}
- writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S)
+ writel((bin2bcd(tm->tm_year % 100) << DATE_YEAR_S)
| (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S)
| (bin2bcd(tm->tm_mday))
| ((tm->tm_year >= 200) << DATE_CENTURY_S),
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index fdb18076948..f3859354e41 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -664,8 +664,11 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
if (ret < 0)
printk(KERN_ERR "NILFS: GC failed during preparation: "
"cannot read source blocks: err=%d\n", ret);
- else
+ else {
+ if (nilfs_sb_need_update(nilfs))
+ set_nilfs_discontinued(nilfs);
ret = nilfs_clean_segments(inode->i_sb, argv, kbufs);
+ }
nilfs_remove_all_gcinodes(nilfs);
clear_nilfs_gc_running(nilfs);
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 0108a56f814..28bd5fa2ff2 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -429,7 +429,7 @@ extern int memcg_limited_groups_array_size;
* the slab_mutex must be held when looping through those caches
*/
#define for_each_memcg_cache_index(_idx) \
- for ((_idx) = 0; i < memcg_limited_groups_array_size; (_idx)++)
+ for ((_idx) = 0; (_idx) < memcg_limited_groups_array_size; (_idx)++)
static inline bool memcg_kmem_enabled(void)
{
diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h
index bc823c4c028..deca8745252 100644
--- a/include/linux/mmu_notifier.h
+++ b/include/linux/mmu_notifier.h
@@ -151,7 +151,7 @@ struct mmu_notifier_ops {
* Therefore notifier chains can only be traversed when either
*
* 1. mmap_sem is held.
- * 2. One of the reverse map locks is held (i_mmap_mutex or anon_vma->mutex).
+ * 2. One of the reverse map locks is held (i_mmap_mutex or anon_vma->rwsem).
* 3. No other concurrent thread can access the list (release)
*/
struct mmu_notifier {
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 6001ee6347a..b5783d81eda 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -1257,6 +1257,10 @@ struct page *follow_trans_huge_pmd(struct vm_area_struct *vma,
if (flags & FOLL_WRITE && !pmd_write(*pmd))
goto out;
+ /* Avoid dumping huge zero page */
+ if ((flags & FOLL_DUMP) && is_huge_zero_pmd(*pmd))
+ return ERR_PTR(-EFAULT);
+
page = pmd_page(*pmd);
VM_BUG_ON(!PageHead(page));
if (flags & FOLL_TOUCH) {
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 4f3ea0b1e57..546db81820e 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3033,6 +3033,7 @@ unsigned long hugetlb_change_protection(struct vm_area_struct *vma,
if (!huge_pte_none(huge_ptep_get(ptep))) {
pte = huge_ptep_get_and_clear(mm, address, ptep);
pte = pte_mkhuge(pte_modify(pte, newprot));
+ pte = arch_make_huge_pte(pte, vma, NULL, 0);
set_huge_pte_at(mm, address, ptep, pte);
pages++;
}
diff --git a/mm/migrate.c b/mm/migrate.c
index c38778610aa..2fd8b4af474 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -160,8 +160,10 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma,
if (is_write_migration_entry(entry))
pte = pte_mkwrite(pte);
#ifdef CONFIG_HUGETLB_PAGE
- if (PageHuge(new))
+ if (PageHuge(new)) {
pte = pte_mkhuge(pte);
+ pte = arch_make_huge_pte(pte, vma, new, 0);
+ }
#endif
flush_cache_page(vma, addr, pte_pfn(pte));
set_pte_at(mm, addr, ptep, pte);
diff --git a/mm/mmap.c b/mm/mmap.c
index 35730ee9d51..d1e4124f3d0 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2943,7 +2943,7 @@ static void vm_lock_mapping(struct mm_struct *mm, struct address_space *mapping)
* vma in this mm is backed by the same anon_vma or address_space.
*
* We can take all the locks in random order because the VM code
- * taking i_mmap_mutex or anon_vma->mutex outside the mmap_sem never
+ * taking i_mmap_mutex or anon_vma->rwsem outside the mmap_sem never
* takes more than one of them in a row. Secondly we're protected
* against a concurrent mm_take_all_locks() by the mm_all_locks_mutex.
*
diff --git a/samples/seccomp/Makefile b/samples/seccomp/Makefile
index bbbd276659b..7203e66dcd6 100644
--- a/samples/seccomp/Makefile
+++ b/samples/seccomp/Makefile
@@ -19,6 +19,7 @@ bpf-direct-objs := bpf-direct.o
# Try to match the kernel target.
ifndef CONFIG_64BIT
+ifndef CROSS_COMPILE
# s390 has -m31 flag to build 31 bit binaries
ifndef CONFIG_S390
@@ -35,6 +36,7 @@ HOSTLOADLIBES_bpf-direct += $(MFLAG)
HOSTLOADLIBES_bpf-fancy += $(MFLAG)
HOSTLOADLIBES_dropper += $(MFLAG)
endif
+endif
# Tell kbuild to always build the programs
always := $(hostprogs-y)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 4d2c7dfdaab..2bb08a962ce 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -230,12 +230,12 @@ our $Inline = qr{inline|__always_inline|noinline};
our $Member = qr{->$Ident|\.$Ident|\[[^]]*\]};
our $Lval = qr{$Ident(?:$Member)*};
-our $Float_hex = qr{(?i:0x[0-9a-f]+p-?[0-9]+[fl]?)};
-our $Float_dec = qr{(?i:((?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?))};
-our $Float_int = qr{(?i:[0-9]+e-?[0-9]+[fl]?)};
+our $Float_hex = qr{(?i)0x[0-9a-f]+p-?[0-9]+[fl]?};
+our $Float_dec = qr{(?i)(?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?};
+our $Float_int = qr{(?i)[0-9]+e-?[0-9]+[fl]?};
our $Float = qr{$Float_hex|$Float_dec|$Float_int};
-our $Constant = qr{(?:$Float|(?i:(?:0x[0-9a-f]+|[0-9]+)[ul]*))};
-our $Assignment = qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)};
+our $Constant = qr{$Float|(?i)(?:0x[0-9a-f]+|[0-9]+)[ul]*};
+our $Assignment = qr{\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=};
our $Compare = qr{<=|>=|==|!=|<|>};
our $Operators = qr{
<=|>=|==|!=|
diff --git a/tools/vm/.gitignore b/tools/vm/.gitignore
new file mode 100644
index 00000000000..44f095fa260
--- /dev/null
+++ b/tools/vm/.gitignore
@@ -0,0 +1,2 @@
+slabinfo
+page-types