Make fscache_relinquish_cookie() log a warning and wait if there are any
outstanding reads left on the cookie it was given.
Signed-off-by: David Howells <dhowells@redhat.com>
Downgrade some debugging statements to not unconditionally print stuff, but
rather be conditional on the appropriate module parameter setting.
Signed-off-by: David Howells <dhowells@redhat.com>
Check that the netfs isn't trying to relinquish a cookie that still has read
operations in progress upon it. If there are, then give log a warning and BUG.
Signed-off-by: David Howells <dhowells@redhat.com>
Downgrade the requirements passed to the allocator in the gfp flags parameter.
FS-Cache/CacheFiles can handle OOM conditions simply by aborting the attempt to
store an object or a page in the cache.
Signed-off-by: David Howells <dhowells@redhat.com>
Under some circumstances CacheFiles defers the marking of pages with PG_fscache
so that it can take advantage of pagevecs to reduce the number of calls to
fscache_mark_pages_cached() and the netfs's hook to keep track of this.
There are, however, two problems with this:
(1) It can lead to the PG_fscache mark being applied _after_ the page is set
PG_uptodate and unlocked (by the call to fscache_end_io()).
(2) CacheFiles's ref on the page is dropped immediately following
fscache_end_io() - and so may not still be held when the mark is applied.
This can lead to the page being passed back to the allocator before the
mark is applied.
Fix this by, where appropriate, marking the page before calling
fscache_end_io() and releasing the page. This means that we can't take
advantage of pagevecs and have to make a separate call for each page to the
marking routines.
The symptoms of this are Bad Page state errors cropping up under memory
pressure, for example:
BUG: Bad page state in process tar pfn:002da
page:ffffea0000009fb0 count:0 mapcount:0 mapping: (null) index:0x1447
page flags: 0x1000(private_2)
Pid: 4574, comm: tar Tainted: G W 3.1.0-rc4-fsdevel+ #1064
Call Trace:
[<ffffffff8109583c>] ? dump_page+0xb9/0xbe
[<ffffffff81095916>] bad_page+0xd5/0xea
[<ffffffff81095d82>] get_page_from_freelist+0x35b/0x46a
[<ffffffff810961f3>] __alloc_pages_nodemask+0x362/0x662
[<ffffffff810989da>] __do_page_cache_readahead+0x13a/0x267
[<ffffffff81098942>] ? __do_page_cache_readahead+0xa2/0x267
[<ffffffff81098d7b>] ra_submit+0x1c/0x20
[<ffffffff8109900a>] ondemand_readahead+0x28b/0x29a
[<ffffffff81098ee2>] ? ondemand_readahead+0x163/0x29a
[<ffffffff810990ce>] page_cache_sync_readahead+0x38/0x3a
[<ffffffff81091d8a>] generic_file_aio_read+0x2ab/0x67e
[<ffffffffa008cfbe>] nfs_file_read+0xa4/0xc9 [nfs]
[<ffffffff810c22c4>] do_sync_read+0xba/0xfa
[<ffffffff81177a47>] ? security_file_permission+0x7b/0x84
[<ffffffff810c25dd>] ? rw_verify_area+0xab/0xc8
[<ffffffff810c29a4>] vfs_read+0xaa/0x13a
[<ffffffff810c2a79>] sys_read+0x45/0x6c
[<ffffffff813ac37b>] system_call_fastpath+0x16/0x1b
As can be seen, PG_private_2 (== PG_fscache) is set in the page flags.
Instrumenting fscache_mark_pages_cached() to verify whether page->mapping was
set appropriately showed that sometimes it wasn't. This led to the discovery
that sometimes the page has apparently been reclaimed by the time the marker
got to see it.
Reported-by: M. Stevens <m@tippett.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Merge commit 752451f01c ("Merge branch 'i2c-embedded/for-next' of
git://git.pengutronix.de/git/wsa/linux") resulted in a build breakage
for OMAP
arch/arm/mach-omap2/i2c.c: In function 'omap_pm_set_max_mpu_wakeup_lat_compat':
arch/arm/mach-omap2/i2c.c:130:2: error: implicit declaration of function 'omap_pm_set_max_mpu_wakeup_lat'
make[1]: *** [arch/arm/mach-omap2/i2c.o] Error 1
Fix this by including the appropriate header file with the function
prototype.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Latinoware 2012.
There's a slightly non-trivial merge in virtio-net, as we cleaned up the
virtio add_buf interface while DaveM accepted the mq virtio-net patches.
You can see my solution in my pending-rebases branch, if that helps, but I
know you love merging:
https://git.kernel.org/?p=linux/kernel/git/rusty/linux.git;a=commit;h=12e4e64fa66a4c812e4855de32abdb4d819526fe
Cheers,
Rusty.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)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=myDR
-----END PGP SIGNATURE-----
Merge tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull virtio update from Rusty Russell:
"Some nice cleanups, and even a patch my wife did as a "live" demo for
Latinoware 2012.
There's a slightly non-trivial merge in virtio-net, as we cleaned up
the virtio add_buf interface while DaveM accepted the mq virtio-net
patches."
* tag 'virtio-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (27 commits)
virtio_console: Add support for remoteproc serial
virtio_console: Merge struct buffer_token into struct port_buffer
virtio: add drv_to_virtio to make code clearly
virtio: use dev_to_virtio wrapper in virtio
virtio-mmio: Fix irq parsing in command line parameter
virtio_console: Free buffers from out-queue upon close
virtio: Convert dev_printk(KERN_<LEVEL> to dev_<level>(
virtio_console: Use kmalloc instead of kzalloc
virtio_console: Free buffer if splice fails
virtio: tools: make it clear that virtqueue_add_buf() no longer returns > 0
virtio: scsi: make it clear that virtqueue_add_buf() no longer returns > 0
virtio: rpmsg: make it clear that virtqueue_add_buf() no longer returns > 0
virtio: net: make it clear that virtqueue_add_buf() no longer returns > 0
virtio: console: make it clear that virtqueue_add_buf() no longer returns > 0
virtio: make virtqueue_add_buf() returning 0 on success, not capacity.
virtio: console: don't rely on virtqueue_add_buf() returning capacity.
virtio_net: don't rely on virtqueue_add_buf() returning capacity.
virtio-net: remove unused skb_vnet_hdr->num_sg field
virtio-net: correct capacity math on ring full
virtio: move queue_index and num_free fields into core struct virtqueue.
...
This update contains overall only driver-specific fixes.
Slightly large LOC are seen in usb-audio driver for a couple of new
device quirks and cs42l71 ASoC driver for enhanced features.
The others are a few small (regression) fixes HD-audio, and yet other
small / trival ASoC fixes.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.19 (GNU/Linux)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=JoY5
-----END PGP SIGNATURE-----
Merge tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This update contains overall only driver-specific fixes. Slightly
large LOC are seen in usb-audio driver for a couple of new device
quirks and cs42l71 ASoC driver for enhanced features. The others are
a few small (regression) fixes HD-audio, and yet other small / trival
ASoC fixes."
* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Support for Digidesign Mbox 2 USB sound card:
ALSA: HDA: Fix sound resume hang
ALSA: hda - bug fix for invalid connection list of Haswell HDMI codec pins
ALSA: hda - Fix the wrong pincaps set in ALC861VD dallas/hp fixup
ALSA: hda - Set codec->single_adc_amp flag for Realtek codecs
ASoC: atmel-ssc: change disable to disable in dts node
ASoC: Prevent pop_wait overwrite
ALSA: usb-audio: ignore-quirk for HP Wireless Audio
ALSA: hda - Always turn on pins for HDMI/DP
ALSA: hda - Fix pin configuration of HP Pavilion dv7
ASoC: core: Fix splitting of log messages
ASoC: cs42l73: Change VSPIN/VSPOUT to VSPINOUT
ASoC: cs42l73: Add DAPM events for power down.
ASoC: cs42l73: Add DMIC's as DAPM inputs.
ASoC: sigmadsp: Fix endianness conversion issue
ASoC: tpa6130a2: Use devm_* APIs
optimization which makes UBI to use less RAM.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=mdJB
-----END PGP SIGNATURE-----
Merge tag 'upstream-3.8-rc1' of git://git.infradead.org/linux-ubi
Pull UBI update from Artem Bityutskiy:
"Nothing exciting, just clean-ups and nicification. Oh, and one small
optimization which makes UBI to use less RAM."
* tag 'upstream-3.8-rc1' of git://git.infradead.org/linux-ubi:
UBI: embed ubi_debug_info field in ubi_device struct
UBI: introduce helpers dbg_chk_{io, gen}
UBI: replace memcpy with struct assignment
UBI: remove spurious comment
UBI: gluebi: rename misleading variables
UBI: do not allocate the memory unnecessarily
UBI: use list_move_tail instead of list_del/list_add_tail
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.10 (GNU/Linux)
iEYEABECAAYFAlDTANQACgkQ31LbvUHyf1dJVQCeOXJokr0cWBPjAN+kXsnhHAAi
130An1kvQDFlZKIGuUqsvADmXpsBMR+8
=bo4L
-----END PGP SIGNATURE-----
Merge tag 'cris-for-linus-3.8' of git://jni.nu/cris
Pull CRIS changes from Jesper Nilsson.
... mainly the UAPI disintegration.
* tag 'cris-for-linus-3.8' of git://jni.nu/cris:
UAPI: Fix up empty files in arch/cris/
CRIS: locking: fix the return value of arch_read_trylock()
CRIS: use kbuild.h instead of defining macros in asm-offset.c
UAPI: (Scripted) Disintegrate arch/cris/include/asm
UAPI: (Scripted) Disintegrate arch/cris/include/arch-v32/arch
UAPI: (Scripted) Disintegrate arch/cris/include/arch-v10/arch
This is a batch of fixes for arm-soc platforms, most of it is for OMAP
but there are others too (i.MX, Tegra, ep93xx). Fixes warnings, some
broken platforms and drivers, etc. A bit all over the map really.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)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=4g/i
-----END PGP SIGNATURE-----
Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This is a batch of fixes for arm-soc platforms, most of it is for OMAP
but there are others too (i.MX, Tegra, ep93xx). Fixes warnings, some
broken platforms and drivers, etc. A bit all over the map really."
There was some concern about commit 68136b10 ("RM: sunxi: Change device
tree naming scheme for sunxi"), but Tony says:
"Looks like that's trivial to fix as needed, no need to rebuild the
branch to fix that AFAIK.
The fix can be done once Olof is available online again.
Linus, I suggest that you go ahead and pull this if there are no other
issues with this branch."
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (32 commits)
ARM: sunxi: Change device tree naming scheme for sunxi
ARM: ux500: fix missing include
ARM: u300: delete custom pin hog code
ARM: davinci: fix build break due to missing include
ARM: exynos: Fix warning due to missing 'inline' in stub
ARM: imx: Move platform-mx2-emma to arch/arm/mach-imx/devices
ARM i.MX51 clock: Fix regression since enabling MIPI/HSP clocks
ARM: dts: mx27: Fix the AIPI bus for FEC
ARM: OMAP2+: common: remove use of vram
ARM: OMAP3/4: cpuidle: fix sparse and checkpatch warnings
ARM: OMAP4: clock data: DPLLs are missing bypass clocks in their parent lists
ARM: OMAP4: clock data: div_iva_hs_clk is a power-of-two divider
ARM: OMAP4: Fix EMU clock domain always on
ARM: OMAP4460: Workaround ABE DPLL failing to turn-on
ARM: OMAP4: Enhance support for DPLLs with 4X multiplier
ARM: OMAP4: Add function table for non-M4X dplls
ARM: OMAP4: Update timer clock aliases
ARM: OMAP: Move plat/omap-serial.h to include/linux/platform_data/serial-omap.h
ARM: dts: Add build target for omap4-panda-a4
ARM: dts: OMAP2420: Correct H4 board memory size
...
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
iQEcBAABAgAGBQJQ0rInAAoJEFErWKtxJpJdcmoIAIlizXwpmxDWc/rb4nLgXZAg
btX4x/fltyydBIKJW2JcI32HVoPJIfrnejd01EWLUIQCrRIp0m4MjXdO6/sL9g9M
/37BXs4zeDsiTS8oGw9fmR8siDUGVIA1AKZcDkK9n6qN1oqUL+NrUPn8qpQBWb1b
WtU3ye95h9/hvDyr6RV2HjG+LOfQjKBdR2E+F1wfFxuc4E36FbmYcK+7UqPnBAS2
e81ejFGJYrlsSl8HeBXX5e8jI2Y6PWGKbxywRoNXdfrvnCoufIUSKwardJKQKfYs
w0xytKV8L4OqGTItydl81KjTs2tFoTCQLL0j9KpJukv1qxDYXU2mCkhpQXQwHLk=
=N1OG
-----END PGP SIGNATURE-----
Merge tag 'tag-for-linus-3.8' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf
Pull dma-buf updates from Sumit Semwal:
"A fairly small dma-buf pull request for 3.8 - only 2 patches"
* tag 'tag-for-linus-3.8' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf:
dma-buf: remove fallback for !CONFIG_DMA_SHARED_BUFFER
dma-buf: might_sleep() in dma_buf_unmap_attachment()
Pull hwmon subsystem update from Jean Delvare:
"There are many improvements to the it87 driver, as well as suspend
support for the Winbond Super-I/O chips, and a few other fixes."
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
hwmon-vid: Add support for AMD family 11h to 15h processors
hwmon: (it87) Support PECI for additional chips
hwmon: (it87) Report thermal sensor type as Intel PECI if appropriate
hwmon: (it87) Manage device specific features with table
hwmon: (it87) Replace pwm group macro with direct attribute definitions
hwmon: (it87) Avoid quoted string splits across lines
hwmon: (it87) Save fan registers in 2-dimensional array
hwmon: (it87) Introduce support for tempX_offset sysfs attribute
hwmon: (it87) Replace macro defining tempX_type sensors with direct definitions
hwmon: (it87) Save voltage register values in 2-dimensional array
hwmon: (it87) Save temperature registers in 2-dimensional array
hwmon: (w83627ehf) Get rid of smatch warnings
hwmon: (w83627hf) Don't touch nonexistent I2C address registers
hwmon: (w83627ehf) Add support for suspend
hwmon: (w83627hf) Add support for suspend
hwmon: Fix PCI device reference leak in quirk
The rmap walks in ksm.c are like those in rmap.c: they can safely be
done with anon_vma_lock_read().
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
task_numa_placement() oopsed on NULL p->mm when task_numa_fault() got
called in the handling of break_ksm() for ksmd. That might be a
peculiar case, which perhaps KSM could takes steps to avoid? but it's
more robust if task_numa_placement() allows for such a possibility.
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
On a 4GB RAM machine, where Normal zone is much smaller than DMA32 zone,
the Normal zone gets fragmented in time. This requires relatively more
pressure in balance_pgdat to get the zone above the required watermark.
Unfortunately, the congestion_wait() call in there slows it down for a
completely wrong reason, expecting that there's a lot of
writeback/swapout, even when there's none (much more common). After a
few days, when fragmentation progresses, this flawed logic translates to
a very high CPU iowait times, even though there's no I/O congestion at
all. If THP is enabled, the problem occurs sooner, but I was able to
see it even on !THP kernels, just by giving it a bit more time to occur.
The proper way to deal with this is to not wait, unless there's
congestion. Thanks to Mel Gorman, we already have the function that
perfectly fits the job. The patch was tested on a machine which nicely
revealed the problem after only 1 day of uptime, and it's been working
great.
Signed-off-by: Zlatko Calusic <zlatko.calusic@iskon.hr>
Acked-by: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix up three empty files in arch/cris/ by sticking placeholder comments in
there to prevent the patch program from deleting them.
I decided not to delete the arch-v*/Kbuild files as it's possibly someone might
want to use them for genhdr-y lines in the future, but they could be deleted
and the pointer lines removed from asm/Kbuild. The uapi/arch-v*/Kbuild files
ought to be uneffected by such a change.
asm/swab.h didn't have anything outside of __KERNEL__ so nothing appeared in
uapi/asm/swab.h. The latter, however, is exported by Kbuild.asm.
This needs to be applied after the CRIS UAPI disintegration patch.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
arch_write_trylock() should return 'ret' instead of always
return 1.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
This is modelled on commits such as the one below:
Commit fc1c3a003e ("sh: use kbuild.h
instead of defining macros in asm-offsets.c") introduced in v2.6.26.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Jesper Nilsson <jesper.nilsson@axis.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Acked-by: Lennox Wu <lennox.wu@gmail.com>
Acked-by: Liqin Chen <liqin299@gmail.com>
Documentation says that code requiring dma-buf should add it to
select, so inline fallbacks are not going to be used. A link error
will make it obvious what went wrong, instead of silently doing
nothing at runtime.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Rob Clark <rob.clark@linaro.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
We never really clarified if unmap could be done in atomic context.
But since mapping might require sleeping, this implies mutex in use
to synchronize mapping/unmapping, so unmap could sleep as well. Add
a might_sleep() to clarify this.
Signed-off-by: Rob Clark <rob@ti.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Pull sparc fixes from David Miller:
"Please pull to get these sparc AES/DES/CAMELLIA crypto bug fixes as
well as an addition of a pte_accessible() define for sparc64 and a
hugetlb fix from Dave Kleikamp."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Set CRYPTO_TFM_REQ_MAY_SLEEP consistently in CAMELLIA code.
sparc64: Set CRYPTO_TFM_REQ_MAY_SLEEP consistently in DES code.
sparc64: Fix ECB looping constructs in AES code.
sparc64: Set CRYPTO_TFM_REQ_MAY_SLEEP consistently in AES code.
sparc64: Fix AES ctr mode block size.
sparc64: Fix unrolled AES 256-bit key loops.
sparc64: Define pte_accessible()
sparc: huge_ptep_set_* functions need to call set_huge_pte_at()
Pull networking fixes from David Miller:
1) Really fix tuntap SKB use after free bug, from Eric Dumazet.
2) Adjust SKB data pointer to point past the transport header before
calling icmpv6_notify() so that the headers are in the state which
that function expects. From Duan Jiong.
3) Fix ambiguities in the new tuntap multi-queue APIs. From Jason
Wang.
4) mISDN needs to use del_timer_sync(), from Konstantin Khlebnikov.
5) Don't destroy mutex after freeing up device private in mac802154,
fix also from Konstantin Khlebnikov.
6) Fix INET request socket leak in TCP and DCCP, from Christoph Paasch.
7) SCTP HMAC kconfig rework, from Neil Horman.
8) Fix SCTP jprobes function signature, otherwise things explode, from
Daniel Borkmann.
9) Fix typo in ipv6-offload Makefile variable reference, from Simon
Arlott.
10) Don't fail USBNET open just because remote wakeup isn't supported,
from Oliver Neukum.
11) be2net driver bug fixes from Sathya Perla.
12) SOLOS PCI ATM driver bug fixes from Nathan Williams and David
Woodhouse.
13) Fix MTU changing regression in 8139cp driver, from John Greene.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (45 commits)
solos-pci: ensure all TX packets are aligned to 4 bytes
solos-pci: add firmware upgrade support for new models
solos-pci: remove superfluous debug output
solos-pci: add GPIO support for newer versions on Geos board
8139cp: Prevent dev_close/cp_interrupt race on MTU change
net: qmi_wwan: add ZTE MF880
drivers/net: Use of_match_ptr() macro in smsc911x.c
drivers/net: Use of_match_ptr() macro in smc91x.c
ipv6: addrconf.c: remove unnecessary "if"
bridge: Correctly encode addresses when dumping mdb entries
bridge: Do not unregister all PF_BRIDGE rtnl operations
use generic usbnet_manage_power()
usbnet: generic manage_power()
usbnet: handle PM failure gracefully
ksz884x: fix receive polling race condition
qlcnic: update driver version
qlcnic: fix unused variable warnings
net: fec: forbid FEC_PTP on SoCs that do not support
be2net: fix wrong frag_idx reported by RX CQ
be2net: fix be_close() to ensure all events are ack'ed
...
error and a missing symbol export.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)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=srgY
-----END PGP SIGNATURE-----
mergetag object bc1008cf7d
type commit
tag gpio-for-linus
tagger Grant Likely <grant.likely@secretlab.ca> 1355962627 +0000
GPIO device driver bug fixes:
- gpio/mvebu-gpio: Make mvebu-gpio depend on OF_CONFIG
- gpio/ich: Add missing spinlock init
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)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=JGvn
-----END PGP SIGNATURE-----
mergetag object d3601e56cf
type commit
tag spi-for-linus
tagger Grant Likely <grant.likely@secretlab.ca> 1355962904 +0000
SPI device driver bug fixes branch for the v3.8 merge window. Most of
this is bug fixes to the core code and the sh-hspi and s3c64xx device
drivers.
There is also a patch here to add DT support to the Atmel driver. This
one should have been in the first round, but I missed it. It's a low
risk change contained within a single driver and the Atmel maintainer
has requested it.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)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=trRO
-----END PGP SIGNATURE-----
Merge tags 'dt-for-linus', 'gpio-for-linus' and 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull devicetree, gpio and spi bugfixes from Grant Likely:
"Device tree v3.8 bug fix:
- Fixes an undefined struct device build error and a missing symbol
export.
GPIO device driver bug fixes:
- gpio/mvebu-gpio: Make mvebu-gpio depend on OF_CONFIG
- gpio/ich: Add missing spinlock init
SPI device driver bug fixes:
- Most of this is bug fixes to the core code and the sh-hspi and
s3c64xx device drivers.
- There is also a patch here to add DT support to the Atmel driver.
This one should have been in the first round, but I missed it.
It's a low risk change contained within a single driver and the
Atmel maintainer has requested it."
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux-2.6:
of: define struct device in of_platform.h if !OF_DEVICE and !OF_ADDRESS
of: Fix export of of_find_matching_node_and_match()
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6:
gpio/mvebu-gpio: Make mvebu-gpio depend on OF_CONFIG
gpio/ich: Add missing spinlock init
* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6:
spi/sh-hspi: fix return value check in hspi_probe().
spi: fix tegra SPI binding examples
spi/atmel: add DT support
of/spi: Fix SPI module loading by using proper "spi:" modalias prefixes.
spi: Change FIFO flush operation and spi channel off
spi: Keep chipselect assertion during one message
Pull drm bugfix from Dave Airlie:
"Just a single urgent regression fix, seeing a few wierd behaviours I'd
like not to persist."
* 'drm-next' of git://people.freedesktop.org/~airlied/linux:
drm/ttm: fix delayed ttm_bo_cleanup_refs_and_unlock delayed handling
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=tTqL
-----END PGP SIGNATURE-----
Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random
Pull random updates from Ted Ts'o:
"A few /dev/random improvements for the v3.8 merge window."
* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random:
random: Mix cputime from each thread that exits to the pool
random: prime last_data value per fips requirements
random: fix debug format strings
random: make it possible to enable debugging without rebuild
Like the generic versions, we need to support a block size
of '1' for CTR mode AES.
This was discovered thanks to all of the new test cases added by
Jussi Kivilinna.
Signed-off-by: David S. Miller <davem@davemloft.net>
The basic scheme of the block mode assembler is that we start by
enabling the FPU, loading the key into the floating point registers,
then iterate calling the encrypt/decrypt routine for each block.
For the 256-bit key cases, we run short on registers in the unrolled
loops.
So the {ENCRYPT,DECRYPT}_256_2() macros reload the key registers that
get clobbered.
The unrolled macros, {ENCRYPT,DECRYPT}_256(), are not mindful of this.
So if we have a mix of multi-block and single-block calls, the
single-block unrolled 256-bit encrypt/decrypt can run with some
of the key registers clobbered.
Handle this by always explicitly loading those registers before using
the non-unrolled 256-bit macro.
This was discovered thanks to all of the new test cases added by
Jussi Kivilinna.
Signed-off-by: David S. Miller <davem@davemloft.net>
The FPGA can't handled unaligned DMA (yet). So copy into an aligned buffer,
if skb->data isn't suitably aligned.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Nathan Williams <nathan@traverse.com.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Nathan Williams <nathan@traverse.com.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
dwmw2: Tidy up a little, simpler matching on which GPIO is being accessed,
only register on newer boards, register under PCI device instead of
duplicating them under each ATM device.
Signed-off-by: Nathan Williams <nathan@traverse.com.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit: cb64edb6b8 upstream
Above commit may introduce a race between cp_interrupt and dev_close
/ change MTU / dev_open up state. Changes cp_interrupt to tolerate
this. Change spin_locking in cp_interrupt to avoid possible
but unobserved race.
Reported-by: "Francois Romieu" <romieu@fr.zoreil.com>
Tested on virtual hardware, Tx MTU size up to 4096, max tx payload
was ping -s 4068 for MTU of 4096. No real hardware, need test
assist.
Signed-off-by: "John Greene" <jogreene@redhat.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: "David Woodhouse" <David.Woodhouse@intel.com>
Tested-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When building without device tree support (for the mv78x00 SoCs for
example), the build failed because of_irq_count is undeclared. However
mvebu-gpio is not designed to build without device tree support. So
make it depends on OF_CONFIG, remove the #ifdef OF_CONFIG line and the
platform_device_id.
Tested on RD-78x00-mASA, DB-78460-BP, DB-88F6710-BP-DDR3,
DB-MV784MP-GP, Mirabox and OpenBlocks AX3.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
As reported by CONFIG_DEBUG_SPINLOCK=y.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Peter Tyser <ptyser@xes-inc.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Since family 11h processors, AMD is exclusively using 7-bit VID codes
transmitted using a serial protocol over two pins (clock and data.)
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: David Hubbard <david.c.hubbard@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Extend support for reporting and selecting PECI temperature sensors
to IT8718, IT8720, IT8782, and IT8783. For IT8721, report the sensor
type for temp2 as Intel PECI (6) if the chip is configured to report
the PCH temperature.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
IT8721 and IT8728 support Intel PECI temperature reporting. Each sensor
can be programmed to display the temperature reported on the PECI interface.
If configured for Intel PECI, the driver reported the wrong sensor type for
the respective thermal sensor. Fix the code to correctly report it as
"Intel PECI (6)".
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This simplifies the code, improves runtime performance, reduces
code size (about 280 bytes on x86_64), and makes it easier
to add support for new devices.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Fix checkpatch error:
ERROR: Macros with multiple statements should be enclosed in a do - while loop
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Also unify fan functions to use the same code for 8 and 16 bit fans.
This patch reduces code size by approximately 1,200 bytes on x86_64.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
