Граф коммитов

589230 Коммитов

Автор SHA1 Сообщение Дата
Chao Yu ae9b9a9d3c MAINTAINERS: update my email address
I've changed employer, update my email address to the new one.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-27 10:36:23 -07:00
Jaegeuk Kim 6bfc49197e f2fs: issue cache flush on direct IO
Under direct IO path with O_(D)SYNC, it needs to set proper APPEND or UPDATE
flags, so taht f2fs_sync_file can make its data safe.

Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-26 14:25:05 -07:00
Jaegeuk Kim 608514deba f2fs: set fsync mark only for the last dnode
In order to give atomic writes, we should consider power failure during
sync_node_pages in fsync.
So, this patch marks fsync flag only in the last dnode block.

Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-26 14:24:59 -07:00
Jaegeuk Kim c267ec1526 f2fs: report unwritten status in fsync_node_pages
The fsync_node_pages should return pass or failure so that user could know
fsync is completed or not.

Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-26 14:24:54 -07:00
Jaegeuk Kim 5268137564 f2fs: split sync_node_pages with fsync_node_pages
This patch splits the existing sync_node_pages into (f)sync_node_pages.
The fsync_node_pages is used for f2fs_sync_file only.

Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-26 14:24:48 -07:00
Jaegeuk Kim e6e5f5610d f2fs: avoid writing 0'th page in volatile writes
The first page of volatile writes usually contains a sort of header information
which will be used for recovery.
(e.g., journal header of sqlite)

If this is written without other journal data, user needs to handle the stale
journal information.

Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-26 14:24:39 -07:00
Jaegeuk Kim eca76e783c f2fs: avoid needless lock for node pages when fsyncing a file
When fsync is called, sync_node_pages finds a proper direct node pages to flush.
But, it locks unrelated direct node pages together unnecessarily.

Acked-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-26 14:24:30 -07:00
Jaegeuk Kim c27753d675 f2fs: flush dirty pages before starting atomic writes
If somebody wrote some data before atomic writes, we should flush them in order
to handle atomic data in a right period.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:50:25 -07:00
Jaegeuk Kim 63c52d7878 f2fs: don't invalidate atomic page if successful
If we committed atomic write successfully, we don't need to invalidate pages.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:50:25 -07:00
Jaegeuk Kim 58457f1c35 f2fs: give -E2BIG for no space in xattr
This patch returns -E2BIG if there is no space to add an xattr entry.
This should fix generic/026 in xfstests as well.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:50:25 -07:00
Jaegeuk Kim 4da7bf5a43 f2fs: remove redundant condition check
This patch resolves the redundant condition check reported by David.

Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim 26dc3d4424 f2fs: unset atomic/volatile flag in f2fs_release_file
The atomic/volatile operation should be done in pair of start and commit
ioctl.
For example, if a killed process remains open-ended atomic operation, we should
drop its flag as well as its atomic data. Otherwise, if sqlite initiates another
operation which doesn't require atomic writes, it will lose every data, since
f2fs still treats with them as atomic writes; nobody will trigger its commit.

Reported-by: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim de5307e46d f2fs: fix dropping inmemory pages in a wrong time
When one reader closes its file while the other writer is doing atomic writes,
f2fs_release_file drops atomic data resulting in an empty commit.
This patch fixes this wrong commit problem by checking openess of the file.

 Process0                       Process1
 				open file
 start atomic write
 write data
 read data
				close file
				f2fs_release_file()
				clear atomic data
 commit atomic write

Reported-by: Miao Xie <miaoxie@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim ff37355886 f2fs: add BUG_ON to avoid unnecessary flow
This patch adds BUG_ON instead of retrying loop.
In the case of node pages, we already got this inode page, but unlocked it.
By the fact that we don't truncate any node pages in operations, the page's
mapping should be unchangeable.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim 4a6de50d54 f2fs: use PGP_LOCK to check its truncation
Previously, after trylock_page is succeeded, it doesn't check its mapping.
In order to fix that, we can just give PGP_LOCK to pagecache_get_page.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Chao Yu 675f10bde6 f2fs: fix to convert inline directory correctly
With below serials, we will lose parts of dirents:

1) mount f2fs with inline_dentry option
2) echo 1 > /sys/fs/f2fs/sdX/dir_level
3) mkdir dir
4) touch 180 files named [1-180] in dir
5) touch 181 in dir
6) echo 3 > /proc/sys/vm/drop_caches
7) ll dir

ls: cannot access 2: No such file or directory
ls: cannot access 4: No such file or directory
ls: cannot access 5: No such file or directory
ls: cannot access 6: No such file or directory
ls: cannot access 8: No such file or directory
ls: cannot access 9: No such file or directory
...
total 360
drwxr-xr-x 2 root root 4096 Feb 19 15:12 ./
drwxr-xr-x 3 root root 4096 Feb 19 15:11 ../
-rw-r--r-- 1 root root    0 Feb 19 15:12 1
-rw-r--r-- 1 root root    0 Feb 19 15:12 10
-rw-r--r-- 1 root root    0 Feb 19 15:12 100
-????????? ? ?    ?       ?            ? 101
-????????? ? ?    ?       ?            ? 102
-????????? ? ?    ?       ?            ? 103
...

The reason is: when doing the inline dir conversion, we didn't consider
that directory has hierarchical hash structure which can be configured
through sysfs interface 'dir_level'.

By default, dir_level of directory inode is 0, it means we have one bucket
in hash table located in first level, all dirents will be hashed in this
bucket, so it has no problem for us to do the duplication simply between
inline dentry page and converted normal dentry page.

However, if we configured dir_level with the value N (greater than 0), it
will expand the bucket number of first level hash table by 2^N - 1, it
hashs dirents into different buckets according their hash value, if we
still move all dirents to first bucket, it makes incorrent locating for
inline dirents, the result is, although we can iterate all dirents through
->readdir, we can't stat some of them in ->lookup which based on hash
table searching.

This patch fixes this issue by rehashing dirents into correct position
when converting inline directory.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim 8c11a53fc2 f2fs: show current mount status
This patch remains the current mount status to f2fs status info.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim faa0e55bba f2fs: treat as a normal umount when remounting ro
When user remounts f2fs as read-only, we can mark the checkpoint as umount.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim 6781eabba1 f2fs: give -EINVAL for norecovery and rw mount
Once detecting something to recover, f2fs should stop mounting, given norecovery
and rw mount options.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim df728b0f69 f2fs: recover superblock at RW remounts
This patch adds a sbi flag, SBI_NEED_SB_WRITE, which indicates it needs to
recover superblock when (re)mounting as RW. This is set only when f2fs is
mounted as RO.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Jaegeuk Kim f2353d7bd4 f2fs: give RO message when recovering superblock
When one of superblocks is missing, f2fs recovers it with the valid one.
But, even if f2fs is mounted as RO, we'd better notify that too.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2016-04-15 08:49:47 -07:00
Linus Torvalds 806fdcce01 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
 "Misc fixes: a binutils fix, an lguest fix, an mcelog fix and a missing
  documentation fix"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce: Avoid using object after free in genpool
  lguest, x86/entry/32: Fix handling of guest syscalls using interrupt gates
  x86/build: Build compressed x86 kernels as PIE
  x86/mm/pkeys: Add missing Documentation
2016-04-14 19:53:46 -07:00
Linus Torvalds a1f983174d Merge branch 'mm-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull mm gup cleanup from Ingo Molnar:
 "This removes the ugly get-user-pages API hack, now that all upstream
  code has been migrated to it"

("ugly" is putting it mildly. But it worked.. - Linus)

* 'mm-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  mm/gup: Remove the macro overload API migration helpers from the get_user*() APIs
2016-04-14 19:31:34 -07:00
Linus Torvalds 63a1281b65 - fix a 4.6-rc1 bio-based DM 'struct dm_target_io' leak in an error path
- stable@ fix for DM cache metadata's READ_LOCK macros that were
   incorrectly returning error if the block manager was in read-only
   mode; also cleanup multi-statement macros to use do {} while(0)
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Merge tag 'dm-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - fix a 4.6-rc1 bio-based DM 'struct dm_target_io' leak in an error
   path

 - stable@ fix for DM cache metadata's READ_LOCK macros that were
   incorrectly returning error if the block manager was in read-only
   mode; also cleanup multi-statement macros to use do {} while(0)

* tag 'dm-4.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm cache metadata: fix READ_LOCK macros and cleanup WRITE_LOCK macros
  dm: fix dm_target_io leak if clone_bio() returns an error
2016-04-14 19:07:45 -07:00
Linus Torvalds 0a3f5af188 pwm: Fixes for v4.6-rc4
A single one-line fix to turn the regmap cache from an RB-tree to a flat
 cache to avoid lockdep and abort issues.
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Merge tag 'pwm/for-4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

Pull pwm fix from Thierry Reding:
 "A single one-line fix to turn the regmap cache from an RB-tree to a
  flat cache to avoid lockdep and abort issues"

* tag 'pwm/for-4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
  pwm: fsl-ftm: Use flat regmap cache
2016-04-14 19:02:06 -07:00
Linus Torvalds c8c52850e6 sound fixes for 4.6-rc4
we've had a very calm development cycle, so far.  Here are the few
 fixes for HD-audio and USB-audio, all of which are small and easy.
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Merge tag 'sound-4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "We've had a very calm development cycle, so far.  Here are the few
  fixes for HD-audio and USB-audio, all of which are small and easy"

* tag 'sound-4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Fix inconsistent monitor_present state until repoll
  ALSA: hda - Fix regression of monitor_present flag in eld proc file
  ALSA: usb-audio: Skip volume controls triggers hangup on Dell USB Dock
  ALSA: hda/realtek - Enable the ALC292 dock fixup on the Thinkpad T460s
  ALSA: sscape: Use correct format identifier for size_t
  ALSA: usb-audio: Add a quirk for Plantronics BT300
  ALSA: usb-audio: Add a sample rate quirk for Phoenix Audio TMX320
  ALSA: hda - Bind with i915 only when Intel graphics is present
2016-04-14 18:47:51 -07:00
Linus Torvalds a7109a2ca7 Merge branch 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox fixes from Jussi Brar:
 "Misc fixes:

  mailbox-test driver:
   - prevent memory leak and another cosmetic change

  mailbox:
   - change the returned error code

  Xgene driver:
   - return -ENOMEM instead of PTR_ERR for failed devm_kzalloc"

* 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: Stop using ENOSYS for anything other than unimplemented syscalls
  mailbox: mailbox-test: Prevent memory leak
  mailbox: mailbox-test: Use more consistent format for calling copy_from_user()
  mailbox: xgene-slimpro: Fix wrong test for devm_kzalloc
2016-04-14 18:40:47 -07:00
Linus Torvalds dfe70581c1 for-linus-4.6-rc4
These patches fix f2fs and fscrypto based on -rc3 bug fixes in ext4 crypto,
 which have not yet been fully propagated as follows.
  - use of dget_parent and file_dentry to avoid crashes
  - disallow RCU-mode lookup in d_invalidate
  - disallow -ENOMEM in the core data encryption path
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Merge tag 'for-linus-4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs

Pull f2fs/fscrypto fixes from Jaegeuk Kim:
 "In addition to f2fs/fscrypto fixes, I've added one patch which
  prevents RCU mode lookup in d_revalidate, as Al mentioned.

  These patches fix f2fs and fscrypto based on -rc3 bug fixes in ext4
  crypto, which have not yet been fully propagated as follows.

   - use of dget_parent and file_dentry to avoid crashes
   - disallow RCU-mode lookup in d_invalidate
   - disallow -ENOMEM in the core data encryption path"

* tag 'for-linus-4.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
  ext4/fscrypto: avoid RCU lookup in d_revalidate
  fscrypto: don't let data integrity writebacks fail with ENOMEM
  f2fs: use dget_parent and file_dentry in f2fs_file_open
  fscrypto: use dget_parent() in fscrypt_d_revalidate()
2016-04-14 18:22:42 -07:00
Linus Torvalds 16382ed978 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes an NFS regression caused by the skcipher/hash conversion in
  sunrpc.  It also fixes a build problem in certain configurations with
  bcm63xx"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  hwrng: bcm63xx - fix device tree compilation
  sunrpc: Fix skcipher/shash conversion
2016-04-14 18:15:40 -07:00
Linus Torvalds 4c0b1c67c6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull keys bugfixes from James Morris:
 "Two bugfixes for Keys related code"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  ASN.1: fix open failure check on headername
  assoc_array: don't call compare_object() on a node
2016-04-14 18:03:29 -07:00
Mike Snitzer 9567366fef dm cache metadata: fix READ_LOCK macros and cleanup WRITE_LOCK macros
The READ_LOCK macro was incorrectly returning -EINVAL if
dm_bm_is_read_only() was true -- it will always be true once the cache
metadata transitions to read-only by dm_cache_metadata_set_read_only().

Wrap READ_LOCK and WRITE_LOCK multi-statement macros in do {} while(0).
Also, all accesses of the 'cmd' argument passed to these related macros
are now encapsulated in parenthesis.

A follow-up patch can be developed to eliminate the use of macros in
favor of pure C code.  Avoiding that now given that this needs to apply
to stable@.

Reported-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Fixes: d14fcf3dd7 ("dm cache: make sure every metadata function checks fail_io")
Cc: stable@vger.kernel.org
2016-04-14 17:34:49 -04:00
Linus Torvalds 51d7b12041 /proc/iomem: only expose physical resource addresses to privileged users
In commit c4004b02f8 ("x86: remove the kernel code/data/bss resources
from /proc/iomem") I was hoping to remove the phyiscal kernel address
data from /proc/iomem entirely, but that had to be reverted because some
system programs actually use it.

This limits all the detailed resource information to properly
credentialed users instead.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-14 12:56:09 -07:00
Linus Torvalds ab0fa82b2d pci-sysfs: use proper file capability helper function
The PCI config access checked the file capabilities correctly, but used
the itnernal security capability check rather than the helper function
that is actually meant for that.

The security_capable() has unusual return values and is not meant to be
used elsewhere (the only other use is in the capability checking
functions that we actually intend people to use, and this odd PCI usage
really stood out when looking around the capability code.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-14 12:56:09 -07:00
Linus Torvalds 34dbbcdbf6 Make file credentials available to the seqfile interfaces
A lot of seqfile users seem to be using things like %pK that uses the
credentials of the current process, but that is actually completely
wrong for filesystem interfaces.

The unix semantics for permission checking files is to check permissions
at _open_ time, not at read or write time, and that is not just a small
detail: passing off stdin/stdout/stderr to a suid application and making
the actual IO happen in privileged context is a classic exploit
technique.

So if we want to be able to look at permissions at read time, we need to
use the file open credentials, not the current ones.  Normal file
accesses can just use "f_cred" (or any of the helper functions that do
that, like file_ns_capable()), but the seqfile interfaces do not have
any such options.

It turns out that seq_file _does_ save away the user_ns information of
the file, though.  Since user_ns is just part of the full credential
information, replace that special case with saving off the cred pointer
instead, and suddenly seq_file has all the permission information it
needs.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-14 12:56:09 -07:00
Linus Torvalds 4046d6e81f Revert "x86: remove the kernel code/data/bss resources from /proc/iomem"
This reverts commit c4004b02f8.

Sadly, my hope that nobody would actually use the special kernel entries
in /proc/iomem were dashed by kexec.  Which reads /proc/iomem explicitly
to find the kernel base address.  Nasty.

Anyway, that means we can't do the sane and simple thing and just remove
the entries, and we'll instead have to mask them out based on permissions.

Reported-by: Zhengyu Zhang <zhezhang@redhat.com>
Reported-by: Dave Young <dyoung@redhat.com>
Reported-by: Freeman Zhang <freeman.zhang1992@gmail.com>
Reported-by: Emrah Demir <ed@abdsec.com>
Reported-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-04-14 12:55:32 -07:00
Stefan Agner ad06fdeeef pwm: fsl-ftm: Use flat regmap cache
Use flat regmap cache to avoid lockdep warning at probe:

[    0.697285] WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:2755 lockdep_trace_alloc+0x15c/0x160()
[    0.697449] DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags))

The RB-tree regmap cache needs to allocate new space on first writes.
However, allocations in an atomic context (e.g. when a spinlock is held)
are not allowed. The function regmap_write calls map->lock, which
acquires a spinlock in the fast_io case. Since the pwm-fsl-ftm driver
uses MMIO, the regmap bus of type regmap_mmio is being used which has
fast_io set to true.

The MMIO space of the pwm-fsl-ftm driver is reasonable condense, hence
using the much faster flat regmap cache is anyway the better choice.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
2016-04-14 16:54:00 +02:00
Linus Torvalds 90de6800c2 Fixes for two arch/sh build regressions that appeared in 4.6-rc1, one
introduced by me, and one caused by changes elsewhere.
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Merge tag 'sh-fixes-4.6-rc1' of git://git.libc.org/linux-sh

Pull arch/sh fixes from Rich Felker:
 "Fixes for two arch/sh build regressions that appeared in 4.6-rc1, one
  introduced by me, and one caused by changes elsewhere"

* tag 'sh-fixes-4.6-rc1' of git://git.libc.org/linux-sh:
  sh: fix function signature of cpu_coregroup_mask to match pointer type
  sh: fix smp-shx3 build regression from removal of arch localtimer
2016-04-13 13:02:06 -07:00
Linus Torvalds 5b523ff281 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu/coldfire fix from Greg Ungerer:
 "Only a single change that removes a local arch specific gpio bus sysfs
  device that now clashes with the generic gpio bus sysfs device
  interface"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68k/gpio: remove arch specific sysfs bus device
2016-04-13 08:58:32 -07:00
Linus Torvalds e012766258 ARM: SoC fixes
A batch of fixes for -rc4, for various platforms. Nothing really
 substantial and worth pointing out in particular; small fixes for various
 bugs, see shortlog for details.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "A batch of fixes for -rc4, for various platforms.

  Nothing really substantial and worth pointing out in particular; small
  fixes for various bugs, see shortlog for details"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: sa1100: remove references to the defunct handhelds.org
  bus: uniphier-system-bus: fix condition of overlap check
  ARM: uniphier: drop weird sizeof()
  ARM: dts: am335x-baltos-ir5221: fix cpsw_emac0 link type
  ARM: OMAP: Correct interrupt type for ARM TWD
  ARM: DRA722: Add ID detect for Silicon Rev 2.0
  ARM: dts: am43xx: fix edma memcpy channel allocation
  ARM: dts: AM43x-epos: Fix clk parent for synctimer
  ARM: OMAP2: Fix up interconnect barrier initialization for DRA7
  documentation: Fix pinctrl documentation for Meson8 / Meson8b
  ARM: dts: amlogic: Split pinctrl device for Meson8 / Meson8b
  ARM: mvebu: Correct unit address for linksys
  bus: mvebu-mbus: use %pa to print phys_addr_t
  arm64: dts: vulcan: Update PCI ranges
  ARM: u8500_defconfig: turn on the Synaptics RMI4 driver
  ARM: pxa: fix the number of DMA requestor lines
  ARM: OMAP2+: hwmod: Fix updating of sysconfig register
  ARM: OMAP2+: Use srst_udelay for USB on dm814x
2016-04-13 08:57:18 -07:00
Linus Torvalds 5e1b59abef KVM/ARM fixes:
- Wrong indentation in the PMU code from the merge window
 - A long-time bug occuring with running ntpd on the host, candidate for stable
 - Properly handle (and warn about) the unsupported configuration of running on
    systems with less than 40 bits of PA space
 - More fixes to the PM and hotplug notifier stuff from the merge window
 
 x86:
 - leak of guest xcr0 (typically shows up as SIGILL)
 - new maintainer (who is sending the pull request too)
 - fix for merge window regression
 - fix for guest CPUID
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM fixes from Radim Krčmář:
 "ARM fixes:
   - Wrong indentation in the PMU code from the merge window
   - A long-time bug occuring with running ntpd on the host, candidate
     for stable
   - Properly handle (and warn about) the unsupported configuration of
     running on systems with less than 40 bits of PA space
   - More fixes to the PM and hotplug notifier stuff from the merge
     window

  x86:
   - leak of guest xcr0 (typically shows up as SIGILL)
   - new maintainer (who is sending the pull request too)
   - fix for merge window regression
   - fix for guest CPUID"

Paolo Bonzini points out:
 "For the record, this tag is signed by me because I prepared the pull
  request.  Further pull requests for 4.6 will be signed and sent out by
  Radim directly"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: mask CPUID(0xD,0x1).EAX against host value
  kvm: x86: do not leak guest xcr0 into host interrupt handlers
  KVM: MMU: fix permission_fault()
  KVM: new maintainer on the block
  arm64: KVM: unregister notifiers in hyp mode teardown path
  arm64: KVM: Warn when PARange is less than 40 bits
  KVM: arm/arm64: Handle forward time correction gracefully
  arm64: KVM: Add braces to multi-line if statement in virtual PMU code
2016-04-13 08:53:26 -07:00
Tony Luck a3125494cf x86/mce: Avoid using object after free in genpool
When we loop over all queued machine check error records to pass them
to the registered notifiers we use llist_for_each_entry(). But the loop
calls gen_pool_free() for the entry in the body of the loop - and then
the iterator looks at node->next after the free.

Use llist_for_each_entry_safe() instead.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Cc: Gong Chen <gong.chen@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/0205920@agluck-desk.sc.intel.com
Link: http://lkml.kernel.org/r/1459929916-12852-4-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-04-13 10:54:00 +02:00
Takashi Iwai c44da62b55 ALSA: hda - Fix inconsistent monitor_present state until repoll
While the previous commit fixed the missing monitor_present flag
update, it may be still in an inconsistent state while the driver
repolls: the flag itself is updated, but the eld_valid flag and the
contents don't follow until the repoll finishes (and may be repeated
for a few times).

The basic problem is that pin_eld->monitor_present is updated in the
caller side.  This should have been updated only in update_eld().  So,
the proper fix is to avoid accessing pin_eld but only spec->temp_eld.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-04-13 09:53:46 +02:00
Hyungwon Hwang 023d8218ec ALSA: hda - Fix regression of monitor_present flag in eld proc file
The commit [bd48128539ab: ALSA: hda - Fix forgotten HDMI
monitor_present update] covered the missing update of monitor_present
flag, but this caused a regression for devices without the i915 eld
notifier.  Since the old code supposed that pin_eld->monitor_present
was updated by the caller side, the hdmi_present_sense_via_verbs()
doesn't update the temporary eld->monitor_present but only
pin_eld->monitor_present, which is now overridden in update_eld().

The fix is to update pin_eld->monitor_present as well before calling
update_eld().

Note that this may still leave monitor_present flag in an inconsistent
state when the driver repolls, but this is at least the old behavior.
More proper fix will follow in the later patch.

Fixes: bd48128539 ('ALSA: hda - Fix forgotten HDMI monitor_present update')
Signed-off-by: Hyungwon Hwang <hyungwon.hwang7@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2016-04-13 09:52:26 +02:00
Jaegeuk Kim 03a8bb0e53 ext4/fscrypto: avoid RCU lookup in d_revalidate
As Al pointed, d_revalidate should return RCU lookup before using d_inode.
This was originally introduced by:
commit 34286d6662 ("fs: rcu-walk aware d_revalidate method").

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Theodore Ts'o <tytso@mit.edu>
Cc: stable <stable@vger.kernel.org>
2016-04-12 20:01:35 -07:00
James Morris 58976eef9d Merge tag 'keys-fixes-20160412' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into for-linus 2016-04-13 11:06:52 +10:00
Olof Johansson 0b24f7a8d6 mvebu fixes for 4.6 (part 1)
- fix USB adress register for Linksys Armada 388 based boards
 - fix build warning in mvebu-mbus
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Merge tag 'mvebu-fixes-4.6-1' of git://git.infradead.org/linux-mvebu into fixes

mvebu fixes for 4.6 (part 1)

- fix USB adress register for Linksys Armada 388 based boards
- fix build warning in mvebu-mbus

* tag 'mvebu-fixes-4.6-1' of git://git.infradead.org/linux-mvebu:
  ARM: mvebu: Correct unit address for linksys
  bus: mvebu-mbus: use %pa to print phys_addr_t

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-12 12:35:07 -07:00
Linus Walleij 452a31fd36 ARM: sa1100: remove references to the defunct handhelds.org
The website handhelds.org has been down for a long time and is
likely never coming back online.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-12 12:34:15 -07:00
Olof Johansson 13ab2c80e2 ARM: pxa: fixes for v4.6
There is only a single fix for dma requestor lines initial
 setup, triggered by dmaengine previous fix.
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Merge tag 'pxa-fixes-v4.6' of https://github.com/rjarzmik/linux into fixes

ARM: pxa: fixes for v4.6

There is only a single fix for dma requestor lines initial
setup, triggered by dmaengine previous fix.

* tag 'pxa-fixes-v4.6' of https://github.com/rjarzmik/linux:
  ARM: pxa: fix the number of DMA requestor lines

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-12 12:33:41 -07:00
Olof Johansson 2e1d18c699 Fixes for omaps against v4.6-rc1. Mostly minor fixes for the newer
SoCs with few board fixes and a fix for a long time hwmod bug:
 
 - Fix cpsw_emac0 link type for baltos-ir5221
 
 - Fix interrupt type for TWD
 
 - Fix edma memcpy channel allocation for am43x
 
 - Fix am43x-epos sycntimer32k by using the correct assigned clock
 
 - Fix interconnect barrier for dra7
 
 - Fix a long time hwmod bug for updating sysconfig register properly
 
 - Fix flakey booting on dm814x where USB reset needs a delay
 
 And there is one minor change that is not strictly a fix, but is
 good to have for proper hardware detection:
 
 - Detect dra7 silicon revision 2.0 properly
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Merge tag 'omap-for-v4.6/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Fixes for omaps against v4.6-rc1. Mostly minor fixes for the newer
SoCs with few board fixes and a fix for a long time hwmod bug:

- Fix cpsw_emac0 link type for baltos-ir5221
- Fix interrupt type for TWD
- Fix edma memcpy channel allocation for am43x
- Fix am43x-epos sycntimer32k by using the correct assigned clock
- Fix interconnect barrier for dra7
- Fix a long time hwmod bug for updating sysconfig register properly
- Fix flakey booting on dm814x where USB reset needs a delay

And there is one minor change that is not strictly a fix, but is
good to have for proper hardware detection:

- Detect dra7 silicon revision 2.0 properly

* tag 'omap-for-v4.6/fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am335x-baltos-ir5221: fix cpsw_emac0 link type
  ARM: OMAP: Correct interrupt type for ARM TWD
  ARM: DRA722: Add ID detect for Silicon Rev 2.0
  ARM: dts: am43xx: fix edma memcpy channel allocation
  ARM: dts: AM43x-epos: Fix clk parent for synctimer
  ARM: OMAP2: Fix up interconnect barrier initialization for DRA7
  ARM: OMAP2+: hwmod: Fix updating of sysconfig register
  ARM: OMAP2+: Use srst_udelay for USB on dm814x

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-12 12:32:35 -07:00
Kunihiko Hayashi 3de7beebdd bus: uniphier-system-bus: fix condition of overlap check
This patch fixes condition whether the specified address ranges
overlap each other.

Fixes: 4b7f48d395 ("bus: uniphier-system-bus: add UniPhier System Bus driver")
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2016-04-12 12:31:50 -07:00