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If a muxed i2c bus gets created the default retry count and
timeout of the muxed bus is zero. Hence it it possible that you
end up with a situation where the parent controller sets a default
retry count and timeout which gets applied and used while the muxed
bus (using the same controller) has a default retry count of zero
and a default timeout of 1s (set in i2c_add_adapter()). This can be
solved by initializing the retry count and timeout of the muxed
bus with the values used by the the parent at creation time.
Signed-off-by: Elie De Brauwer <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Still a slightly high amount of changes than wished, but they are all
good regression and/or device-specific fixes. Majority of commits are
for HD-audio, an HDMI ctl index fix that hits old graphics boards,
regression fixes for AD codecs and a few quirks.
Other than that, two major fixes are included: a 64bit ABI fix for
compress offload, and 64bit dma_addr_t truncation fix, which had hit
on PAE kernels"
* tag 'sound-3.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Add static DAC/pin mapping for AD1986A codec
ALSA: hda - One more Dell headset detection quirk
ALSA: hda - hdmi: Fix IEC958 ctl indexes for some simple HDMI devices
ALSA: hda - Mute all aamix inputs as default
ALSA: compress: Fix 64bit ABI incompatibility
ALSA: memalloc.h - fix wrong truncation of dma_addr_t
ALSA: hda - Another Dell headset detection quirk
ALSA: hda - A Dell headset detection quirk
ALSA: hda - Remove quirk for Dell Vostro 131
ALSA: usb-audio: fix uninitialized variable compile warning
ALSA: hda - fix mic issues on Acer Aspire E-572
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
"A fix for recent sysfs breakage in serio subsystem plus a fixup to
adxl34x driver"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: adxl34x - Fix bug in definition of ADXL346_2D_ORIENT
Input: serio - fix sysfs layout
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There is a mistake in checking the gso_prefix mask when passing large
packets to a guest. The wrong shift is applied to the bit - the raw skb
gso type is used rather then the translated one. This leads to large packets
being handed to the guest without the GSO metadata. This patch fixes the
check.
The mistake manifested as errors whilst running Microsoft HCK large packet
offload tests between a pair of Windows 8 VMs. I have verified this patch
fixes those errors.
Signed-off-by: Paul Durrant <[email protected]>
Cc: Wei Liu <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: David Vrabel <[email protected]>
Acked-by: Ian Campbell <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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neigh_priv_len is defined as u8. With all debug enabled struct
ipoib_neigh has 200 bytes. The largest part is sk_buff_head with 96
bytes and here the spinlock with 72 bytes.
The size value still fits in this u8 leaving some room for more.
On -RT struct ipoib_neigh put on weight and has 392 bytes. The main
reason is sk_buff_head with 288 and the fatty here is spinlock with 192
bytes. This does no longer fit into into neigh_priv_len and gcc
complains.
This patch changes neigh_priv_len from being 8bit to 16bit. Since the
following element (dev_id) is 16bit followed by a spinlock which is
aligned, the struct remains with a total size of 3200 (allmodconfig) /
2048 (with as much debug off as possible) bytes on x86-64.
On x86-32 the struct is 1856 (allmodconfig) / 1216 (with as much debug
off as possible) bytes long. The numbers were gained with and without
the patch to prove that this change does not increase the size of the
struct.
Cc: Steven Rostedt <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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According to the manual, if a port is set for level detection using
the corresponding bit in the edge/level select register and an external
level interrupt signal is asserted, the corresponding bit in INTDT
does not use the FF to hold the input.
Thus, writing 1 to the corresponding bits in INTCLR cannot clear the
corresponding bits in the INTDT register. Instead, when an external
input signal is stopped, the corresponding bit in INTDT is cleared
automatically.
Since the INTDT bit cannot be cleared for the level interrupts until
the interrupt signal is stopped, we end up with the infinite loop
when using deferred (threaded) IRQ handling.
Since a deferred interrupt is disabled by the low-level handler and
re-enabled only when the deferred handler is completed, Fix the issue
by dropping disabled interrupts from the pending mask as suggested by
Laurent Pinchart <[email protected]>
Changes in V2:
* Drop disabled interrupts from pending mask altogether instead of
dropping level interrupts one by one once they get handled.
Signed-off-by: Valentine Barshak <[email protected]>
Acked-by: Laurent Pinchart <[email protected]>
Acked-by: Magnus Damm <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"A dvb core deadlock fix, a couple videobuf2 fixes an a series of media
driver fixes"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (30 commits)
[media] videobuf2-dma-sg: fix possible memory leak
[media] vb2: regression fix: always set length field.
[media] mt9p031: Include linux/of.h header
[media] rtl2830: add parent for I2C adapter
[media] media: marvell-ccic: use devm to release clk
[media] ths7303: Declare as static a private function
[media] em28xx-video: Swap release order to avoid lock nesting
[media] usbtv: Add support for PAL video source
[media] media_tree: Fix spelling errors
[media] videobuf2: Add support for file access mode flags for DMABUF exporting
[media] radio-shark2: Mark shark_resume_leds() inline to kill compiler warning
[media] radio-shark: Mark shark_resume_leds() inline to kill compiler warning
[media] af9035: unlock on error in af9035_i2c_master_xfer()
[media] af9033: fix broken I2C
[media] v4l: omap3isp: Don't check for missing get_fmt op on remote subdev
[media] af9035: fix broken I2C and USB I/O
[media] wm8775: fix broken audio routing
[media] marvell-ccic: drop resource free in driver remove
[media] tef6862/radio-tea5764: actually assign clamp result
[media] cx231xx: use after free on error path in probe
...
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fix from Guenter Roeck:
"Fix HIH-6130 driver to work with BeagleBone"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: HIH-6130: Support I2C bus drivers without I2C_FUNC_SMBUS_QUICK
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git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon fixes from Jean Delvare.
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon: Prevent some divide by zeros in FAN_TO_REG()
hwmon: (w83l768ng) Fix fan speed control range
hwmon: (w83l786ng) Fix fan speed control mode setting and reporting
hwmon: (lm90) Unregister hwmon device if interrupt setup fails
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We should be writing bits here but instead we're writing the
numbers that correspond to the bits we want to write. Fix it by
wrapping the numbers in the BIT() macro. This fixes gpios acting
as interrupts.
Cc: [email protected]
Signed-off-by: Stephen Boyd <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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When CPSW and Davinci MDIO are build as modules, CPSW crashes when
accessing CPSW registers in CPSW probe. The same is working in built-in
as the CPSW clocks are enabled in Davindi MDIO probe, SO Enabling the
clocks before accessing the version register and moving out the other
register access to cpsw device open.
Signed-off-by: Mugunthan V N <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Whilst architectures may be able to do better than this (which they can,
by simply defining their own macro), this is a generic stab at a
zero_bytemask implementation for the asm-generic, big-endian
word-at-a-time implementation.
On arm64, a clz instruction is used to implement the fls efficiently.
Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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When explicitly hashing the end of a string with the word-at-a-time
interface, we have to be careful which end of the word we pick up.
On big-endian CPUs, the upper-bits will contain the data we're after, so
ensure we generate our masks accordingly (and avoid hashing whatever
random junk may have been sitting after the string).
This patch adds a new dcache helper, bytemask_from_count, which creates
a mask appropriate for the CPU endianness.
Cc: Al Viro <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This patch changes the RING_FINAL_CHECK_FOR_REQUESTS in
xenvif_build_tx_gops to a check for RING_HAS_UNCONSUMED_REQUESTS as the
former call has the side effect of advancing the ring event pointer and
therefore inviting another interrupt from the frontend before the napi
poll has actually finished, thereby defeating the point of napi.
The event pointer is updated by RING_FINAL_CHECK_FOR_REQUESTS in
xenvif_poll, the napi poll function, if the work done is less than the
budget i.e. when actually transitioning back to interrupt mode.
Reported-by: Malcolm Crossley <[email protected]>
Signed-off-by: Paul Durrant <[email protected]>
Cc: Wei Liu <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: David Vrabel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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netback seems to be somewhat confused about the napi budget parameter. The
parameter is supposed to limit the number of skbs processed in each poll,
but netback has this confused with grant operations.
This patch fixes that, properly limiting the work done in each poll. Note
that this limit makes sure we do not process any more data from the shared
ring than we intend to pass back from the poll. This is important to
prevent tx_queue potentially growing without bound.
Signed-off-by: Paul Durrant <[email protected]>
Cc: Wei Liu <[email protected]>
Cc: Ian Campbell <[email protected]>
Cc: David Vrabel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Pull iommu fixes from Alex Williamson:
"arm/smmu driver updates via Will Deacon fixing locking around page
table walks and a couple other issues"
* tag 'iommu-fixes-for-v3.13-rc4' of git://github.com/awilliam/linux-vfio:
iommu/arm-smmu: fix error return code in arm_smmu_device_dt_probe()
iommu/arm-smmu: remove potential NULL dereference on mapping path
iommu/arm-smmu: use mutex instead of spinlock for locking page tables
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull misc keyrings fixes from David Howells:
"These break down into five sets:
- A patch to error handling in the big_key type for huge payloads.
If the payload is larger than the "low limit" and the backing store
allocation fails, then big_key_instantiate() doesn't clear the
payload pointers in the key, assuming them to have been previously
cleared - but only one of them is.
Unfortunately, the garbage collector still calls big_key_destroy()
when sees one of the pointers with a weird value in it (and not
NULL) which it then tries to clean up.
- Three patches to fix the keyring type:
* A patch to fix the hash function to correctly divide keyrings off
from keys in the topology of the tree inside the associative
array. This is only a problem if searching through nested
keyrings - and only if the hash function incorrectly puts the a
keyring outside of the 0 branch of the root node.
* A patch to fix keyrings' use of the associative array. The
__key_link_begin() function initially passes a NULL key pointer
to assoc_array_insert() on the basis that it's holding a place in
the tree whilst it does more allocation and stuff.
This is only a problem when a node contains 16 keys that match at
that level and we want to add an also matching 17th. This should
easily be manufactured with a keyring full of keyrings (without
chucking any other sort of key into the mix) - except for (a)
above which makes it on average adding the 65th keyring.
* A patch to fix searching down through nested keyrings, where any
keyring in the set has more than 16 keyrings and none of the
first keyrings we look through has a match (before the tree
iteration needs to step to a more distal node).
Test in keyutils test suite:
http://git.kernel.org/cgit/linux/kernel/git/dhowells/keyutils.git/commit/?id=8b4ae963ed92523aea18dfbb8cab3f4979e13bd1
- A patch to fix the big_key type's use of a shmem file as its
backing store causing audit messages and LSM check failures. This
is done by setting S_PRIVATE on the file to avoid LSM checks on the
file (access to the shmem file goes through the keyctl() interface
and so is gated by the LSM that way).
This isn't normally a problem if a key is used by the context that
generated it - and it's currently only used by libkrb5.
Test in keyutils test suite:
http://git.kernel.org/cgit/linux/kernel/git/dhowells/keyutils.git/commit/?id=d9a53cbab42c293962f2f78f7190253fc73bd32e
- A patch to add a generated file to .gitignore.
- A patch to fix the alignment of the system certificate data such
that it it works on s390. As I understand it, on the S390 arch,
symbols must be 2-byte aligned because loading the address discards
the least-significant bit"
* tag 'keys-devel-20131210' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
KEYS: correct alignment of system_certificate_list content in assembly file
Ignore generated file kernel/x509_certificate_list
security: shmem: implement kernel private shmem inodes
KEYS: Fix searching of nested keyrings
KEYS: Fix multiple key add into associative array
KEYS: Fix the keyring hash function
KEYS: Pre-clear struct key on allocation
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Pull xfs bugfixes from Ben Myers:
- fix for buffer overrun in agfl with growfs on v4 superblock
- return EINVAL if requested discard length is less than a block
- fix possible memory corruption in xfs_attrlist_by_handle()
* tag 'xfs-for-linus-v3.13-rc4' of git://oss.sgi.com/xfs/xfs:
xfs: growfs overruns AGFL buffer on V4 filesystems
xfs: don't perform discard if the given range length is less than block size
xfs: underflow bug in xfs_attrlist_by_handle()
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When debugging the read-only hugepage case, I was confused by the fact
that get_futex_key() did an access_ok() only for the non-shared futex
case, since the user address checking really isn't in any way specific
to the private key handling.
Now, it turns out that the shared key handling does effectively do the
equivalent checks inside get_user_pages_fast() (it doesn't actually
check the address range on x86, but does check the page protections for
being a user page). So it wasn't actually a bug, but the fact that we
treat the address differently for private and shared futexes threw me
for a loop.
Just move the check up, so that it gets done for both cases. Also, use
the 'rw' parameter for the type, even if it doesn't actually matter any
more (it's a historical artifact of the old racy i386 "page faults from
kernel space don't check write protections").
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The hugepage code had the exact same bug that regular pages had in
commit 7485d0d3758e ("futexes: Remove rw parameter from
get_futex_key()").
The regular page case was fixed by commit 9ea71503a8ed ("futex: Fix
regression with read only mappings"), but the transparent hugepage case
(added in a5b338f2b0b1: "thp: update futex compound knowledge") case
remained broken.
Found by Dave Jones and his trinity tool.
Reported-and-tested-by: Dave Jones <[email protected]>
Cc: [email protected] # v2.6.38+
Acked-by: Thomas Gleixner <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Darren Hart <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This causes a race condition between drm_dev_unregister()
and pci_driver.shutdown at shutdown or driver unload time.
We need to revisit how to properly support kexec within
the drm.
This reverts commit 846ae41ae99d314bf2a02784152208a6ddf7eddc.
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Fixes improperly set up display params for 2D tiling on
oland.
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
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Otherwise we end up with a rather strange looking result.
Signed-off-by: Christian König <[email protected]>
Tested-by: Tom Stellard <[email protected]>
Cc: [email protected]
Signed-off-by: Alex Deucher <[email protected]>
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I implemented support for this, but forget to hook
up the callback so the driver can actually use it.
On asics with a dedicated DMA engine, we use the DMA
engine for buffer migration so this is just for testing
purposes.
Signed-off-by: Alex Deucher <[email protected]>
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Commit ec39f64bba3421c2060fcbd1aeb6eec81fe0a42d (drm/radeon/dpm: Convert
to use devm_hwmon_register_with_groups) converted one usage of
dev_get_drvdata, but there were two more.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=72457
Signed-off-by: Martin Andersson <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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While enabling these machines, we found we would sometimes lose an
interrupt if we change hardware volume during playback, and that
disabling msi fixed this issue. (Losing the interrupt caused underruns
and crackling audio, as the one second timeout is usually bigger than
the period size.)
The machines were all machines from HP, running AMD Hudson controller,
and Realtek ALC282 codec.
Cc: [email protected]
BugLink: https://bugs.launchpad.net/bugs/1260225
Signed-off-by: David Henningsson <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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The closing parenthesis is in the wrong place. We want to check
"sizeof(*arg->clone_sources) * arg->clone_sources_count" instead of
"sizeof(*arg->clone_sources * arg->clone_sources_count)".
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Jie Liu <[email protected]>
Signed-off-by: Chris Mason <[email protected]>
cc: [email protected]
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I hit an oops when merging reloc roots fails, the reason is that
new reloc roots may be added and we should make sure we cleanup
all reloc roots.
Signed-off-by: Wang Shilong <[email protected]>
Signed-off-by: Chris Mason <[email protected]>
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relocation
Quota tree and UUID Tree is only cowed, they can not be snapshoted.
Signed-off-by: Wang Shilong <[email protected]>
Signed-off-by: Chris Mason <[email protected]>
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I hit an oops when inserting reloc root into @reloc_root_tree(it can be
easily triggered when forcing cow for relocation root)
[ 866.494539] [<ffffffffa0499579>] btrfs_init_reloc_root+0x79/0xb0 [btrfs]
[ 866.495321] [<ffffffffa044c240>] record_root_in_trans+0xb0/0x110 [btrfs]
[ 866.496109] [<ffffffffa044d758>] btrfs_record_root_in_trans+0x48/0x80 [btrfs]
[ 866.496908] [<ffffffffa0494da8>] select_reloc_root+0xa8/0x210 [btrfs]
[ 866.497703] [<ffffffffa0495c8a>] do_relocation+0x16a/0x540 [btrfs]
This is because reloc root inserted into @reloc_root_tree is not within one
transaction,reloc root may be cowed and root block bytenr will be reused then
oops happens.We should update reloc root in @reloc_root_tree when cow reloc
root node, fix it.
Signed-off-by: Wang Shilong <[email protected]>
Reviewed-by: Miao Xie <[email protected]>
Signed-off-by: Chris Mason <[email protected]>
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Currently extent-tree.c:btrfs_lookup_extent_info() can miss the lookup
of skinny extent items. This can happen when the execution flow is the
following:
* We do an extent tree lookup and fail to find a skinny extent item;
* As a result, we attempt to see if a non-skinny extent item exists,
either by looking at previous item in the leaf or by doing another
full extent tree search;
* We have a transaction and then we check for a matching delayed ref
head in the transaction's delayed refs rbtree;
* We find such delayed ref head and then we try to lock it with a
call to mutex_trylock();
* The lock was contended so we jump to the label "again", which repeats
the extent tree search but for a non-skinny extent item, because we set
previously metadata variable to 0 and the search key to look for a
non-skinny extent-item;
* After the jump (and after releasing the transaction's delayed refs
lock), a skinny extent item might have been added to the extent tree
but we will miss it because metadata is set to 0 and the search key
is set for a non-skinny extent-item.
The fix here is to not reset metadata to 0 and to jump to the initial search
key setup if the delayed ref head is contended, instead of jumping directly
to the extent tree search label ("again").
This issue was found while investigating the issue reported at Bugzilla 64961.
David Sterba suspected this function was missing extent items, and that
this could be caused by the last change to this function, which was made
in the following patch:
[PATCH] Btrfs: optimize btrfs_lookup_extent_info()
(commit 74be9510876a66ad9826613ac8a526d26f9e7f01)
But in fact this issue already existed before, because after failing to find
a skinny extent item, the code set the search key for a non-skinny extent
item, and on contention of a matching delayed ref head it would not search
the extent tree for a skinny extent item anymore.
Signed-off-by: Filipe David Borba Manana <[email protected]>
Reviewed-by: Liu Bo <[email protected]>
Signed-off-by: Chris Mason <[email protected]>
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If btrfs_ioctl_snap_destroy blocks on the mutex and the process is
killed, mnt_write count is unbalanced and leads to unmountable
filesystem.
CC: [email protected]
Signed-off-by: David Sterba <[email protected]>
Signed-off-by: Chris Mason <[email protected]>
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We met a oops caused by the wrong compression type:
[ 556.512356] BUG: unable to handle kernel NULL pointer dereference at (null)
[ 556.512370] IP: [<ffffffff811dbaa0>] __list_del_entry+0x1/0x98
[SNIP]
[ 556.512490] [<ffffffff811dbb44>] ? list_del+0xd/0x2b
[ 556.512539] [<ffffffffa05dd5ce>] find_workspace+0x97/0x175 [btrfs]
[ 556.512546] [<ffffffff813c14b5>] ? _raw_spin_lock+0xe/0x10
[ 556.512576] [<ffffffffa05de276>] btrfs_compress_pages+0x2d/0xa2 [btrfs]
[ 556.512601] [<ffffffffa05af060>] compress_file_range.constprop.54+0x1f2/0x4e8 [btrfs]
[ 556.512627] [<ffffffffa05af388>] async_cow_start+0x32/0x4d [btrfs]
[ 556.512655] [<ffffffffa05cc7a1>] worker_loop+0x144/0x4c3 [btrfs]
[ 556.512661] [<ffffffff81059404>] ? finish_task_switch+0x80/0xb8
[ 556.512689] [<ffffffffa05cc65d>] ? btrfs_queue_worker+0x244/0x244 [btrfs]
[ 556.512695] [<ffffffff8104fa4e>] kthread+0x8d/0x95
[ 556.512699] [<ffffffff81050000>] ? bit_waitqueue+0x34/0x7d
[ 556.512704] [<ffffffff8104f9c1>] ? __kthread_parkme+0x65/0x65
[ 556.512709] [<ffffffff813c7eec>] ret_from_fork+0x7c/0xb0
[ 556.512713] [<ffffffff8104f9c1>] ? __kthread_parkme+0x65/0x65
Steps to reproduce:
# mkfs.btrfs -f <dev>
# mount -o nodatacow <dev> <mnt>
# touch <mnt>/<file>
# chattr =c <mnt>/<file>
# dd if=/dev/zero of=<mnt>/<file> bs=1M count=10
It is because we cleared the default compression type when setting the
nodatacow. In fact, we needn't do it because we have used COMPRESS flag to
indicate if we need compressed the file data or not, needn't use the
variant -- compress_type -- in btrfs_info to do the same thing, and just
use it to hold the default compression type. Or we would get a wrong compress
type for a file whose own compress flag is set but the compress flag of its
filesystem is not set.
Reported-by: Tsutomu Itoh <[email protected]>
Signed-off-by: Miao Xie <[email protected]>
Reviewed-by: Liu Bo <[email protected]>
Signed-off-by: Chris Mason <[email protected]>
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Some RS690 boards with 64MB of sideport memory show up as
having 128MB sideport + 256MB of UMA. In this case,
just skip the sideport memory and use UMA. This fixes
rendering corruption and should improve performance.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=35457
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
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The dump function in nft_reject_ipv4 was not converting a u32
field to network order before sending it to userspace, this
needs to happen for consistency with other nf_tables and
nfnetlink subsystems.
Signed-off-by: Eric Leblond <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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The "rpm * div" operations can overflow here, so this patch adds an
upper limit to rpm to prevent that. Jean Delvare helped me with this
patch.
Signed-off-by: Dan Carpenter <[email protected]>
Acked-by: Roger Lucas <[email protected]>
Cc: [email protected]
Signed-off-by: Jean Delvare <[email protected]>
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The W83L786NG stores the fan speed on 4 bits while the sysfs interface
uses a 0-255 range. Thus the driver should scale the user input down
to map it to the device range, and scale up the value read from the
device before presenting it to the user. The reserved register nibble
should be left unchanged.
Signed-off-by: Jean Delvare <[email protected]>
Cc: [email protected]
Reviewed-by: Guenter Roeck <[email protected]>
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The wrong mask is used, which causes some fan speed control modes
(pwmX_enable) to be incorrectly reported, and some modes to be
impossible to set.
[JD: add subject and description.]
Signed-off-by: Brian Carnes <[email protected]>
Cc: [email protected]
Signed-off-by: Jean Delvare <[email protected]>
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Commit 109b1283fb (hwmon: (lm90) Add support to handle IRQ) introduced
interrupt support. Its error handling code fails to unregister the already
registered hwmon device.
Fixes: 109b1283fb532ac773a076748ffccf76a7067cab
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Jean Delvare <[email protected]>
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It's doing a 64-bit divide which is not supported
on 32-bit architectures in psched_ns_t2l(). The
correct way to do this is to use do_div().
It's introduced by commit cc106e441a63
("net: sched: tbf: fix the calculation of max_size")
Reported-by: kbuild test robot <[email protected]>
Signed-off-by: Yang Yingliang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Unlike TCP, UDP input path does not hold the socket lock.
Before messing with sk->sk_rx_dst, we must use a spinlock, otherwise
multiple cpus could leak a refcount.
This patch also takes care of renewing a stale dst entry.
(When the sk->sk_rx_dst would not be used by IP early demux)
Fixes: 421b3885bf6d ("udp: ipv4: Add udp early demux")
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Shawn Bohrer <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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commit 031916568a1aa2ef1809f86d26f0bcfa215ff5c0 worked around
errata ERR006358, but comment contains duplicated lines, impairing
the readability. Remove them.
Signed-off-by: Philippe De Muyter <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The Allwinner A31 uses the ARM GIC as its internal interrupts controller. The
GIC can work on several interrupt triggers, and the A31 was actually setting it
up to use a rising edge as a trigger, while it was actually a level high
trigger, leading to some interrupts that would be completely ignored if the
edge was missed.
Signed-off-by: Maxime Ripard <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Cc: [email protected] # 3.12+
Signed-off-by: Olof Johansson <[email protected]>
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The Allwinner A20 uses the ARM GIC as its internal interrupts controller. The
GIC can work on several interrupt triggers, and the A20 was actually setting it
up to use a rising edge as a trigger, while it was actually a level high
trigger, leading to some interrupts that would be completely ignored if the
edge was missed.
Signed-off-by: Maxime Ripard <[email protected]>
Acked-by: Hans de Goede <[email protected]>
Cc: [email protected] #3.12+
Signed-off-by: Olof Johansson <[email protected]>
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I have been co-maintaining IMX sub-architecture for a couple of years,
and collecting IMX sub-architecture patches rather than IMX6 only ones
for a few release cycles. It makes sense to officially add myself as
the co-maintainer for IMX sub-architecture now. Consequently, IMX6
entry can just be merged into IMX.
While at it, add a 'F:' entry for IMX DTS files.
Signed-off-by: Shawn Guo <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>
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Add a missing break to the switch in tegra_init_fuse() which determines
which SoC the code is running on. This prevents the Tegra30+ fuse
handling code from running on Tegra20.
Fixes: 3bd1ae57f7bb ("ARM: tegra: add fuses as device randomness")
Signed-off-by: Stephen Warren <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>
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git://ftp.arm.linux.org.uk/~rmk/linux-cubox into drm-fixes
These four patches fix a few issues discovered since the initial merge,
which have been reviewed by Rob Clark and Thierry Reding.
* 'drm-tda998x-3.12-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
DRM: Armada: prime refcounting bug fix
DRM: Armada: fix printing of phys_addr_t/dma_addr_t
DRM: Armada: destroy framebuffer after helper
DRM: Armada: implement lastclose() for fbhelper
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just a bunch of regression fixes plus a few patches for long-standing
issues in gem corner-cases that we've hunted down in the past weeks. Since
apparently people hit those in the wild (and we also have nice igts for
them) I've opted for -fixes and cc: stable.
There's 1-2 things oustanding on top of this where I'm still waiting on
confirmation from testing, but nothing really scary.
* tag 'drm-intel-fixes-2013-12-11' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: don't update the dri1 breadcrumb with modesetting
drm/i915: Repeat eviction search after idling the GPU
drm/i915: Fix use-after-free in do_switch
drm/i915: fix pm init ordering
drm/i915: Hold mutex across i915_gem_release
drm/i915: Skip clock checks on BDW
drm/i915: Do not clobber config status after a forced restore of hw state
drm/i915: Take modeset locks around intel_modeset_setup_hw_state()
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into drm-fixes
As promised bdw fixes come separate for now. Just a few minior things.
* 'bdw-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915/bdw: PIPE_[BC] I[ME]R moved to powerwell
drm/i915/bdw: Limit GTT to 2GB
drm/i915/bdw: Add comment about gen8 HWS PGA
drm/i915/bdw: Free correct number of ppgtt pages
drm/i915/bdw: Do gen6 style reset for gen8
drm/i915/bdw: GEN8 backlight support
drm/i915/bdw: Add BDW to ULT macro
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Erratum 71 of PXA270M Processor Family Specification Update
(April 19, 2010) explains that watchdog reset time is just
8us insead of 10ms in EMTS.
If SDRAM is not reset, it causes memory bus congestion and
the device hangs. We put SDRAM in selfresh mode before watchdog
reset, removing potential freezes.
Without this patch PXA270-based ICP DAS LP-8x4x hangs after up to 40
reboots. With this patch it has successfully rebooted 500 times.
Signed-off-by: Sergei Ianovich <[email protected]>
Tested-by: Marek Vasut <[email protected]>
Signed-off-by: Haojian Zhuang <[email protected]>
Cc: [email protected]
Signed-off-by: Olof Johansson <[email protected]>
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