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If an ext4 file system is created by some tool other than mke2fs
(perhaps by someone who has a pathalogical fear of the GPL) that
doesn't set one or the other of the EXT2_FLAGS_{UN}SIGNED_HASH flags,
and that file system is then mounted read-only, don't try to modify
the s_flags field. Otherwise, if dm_verity is in use, the superblock
will change, causing an dm_verity failure.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Two driver fixes, one fixing the mapping of interrupts on da9055
(which previously wouldn't have worked at all) and a fix for reference
counting OF nodes in the max14577 driver"
* tag 'regulator-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: da9055: Remove use of regmap_irq_get_virq()
regulator: max14577: Add missing of_node_put
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Here are some accumulated patches with small fixes for this and that
in a few GPIO drivers, and a more important fix to an #ifdef in the
GPIO consumer header.
Summary:
- Get #ifdef's right in the <linux/gpio/consumer.h> header.
- Minor fixes to tb10x, clps711x, bcm281xx, intel-mid and xtensa GPIO
drivers"
* tag 'gpio-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: consumer.h: Move forward declarations outside #ifdef
gpio: tb10x: GPIO_TB10X needs to select GENERIC_IRQ_CHIP
gpio: clps711x: Add module alias to support module auto loading
gpio: bcm281xx: Update MODULE_AUTHOR
gpio: intel-mid: fix the incorrect return of idle callback
gpio: xtensa: fix build when XCHAL_HAVE_CP is 0
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few driver and documentation fixes, plus a fix for double error
handling which had crept in due to the confusing documentation - it
wasn't clear if the core or the driver was responsible for cleanup in
error cases so both tried to do it with unfortunate results"
* tag 'spi-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: nuc900: Set SPI_LSB_FIRST for master->mode_bits if hw->pdata->lsb is true
spi: rspi: Document support for Renesas QSPI in Kconfig
spi: Fix crash with double message finalisation on error handling
spi: correct the transfer_one_message documentation wording
spi: document the transfer_one spi_master callback
spi: spi.h: clarify the documentation of transfer_one
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Pull drm fixes from Dave Airlie:
"Nothing too crazy.
Radeon irq fixes, i915 regression fixes, exynos fixes, tda998x chip
fixes, and a bunch of msm fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (31 commits)
drm/i915: Pair va_copy with va_end in i915_error_vprintf
drm/i915: Fix intel_pipe_to_cpu_transcoder for UMS
drm/i915: Disable dp aux irq on g4x
drm/msm: bigger synchronization hammer
drm/exynos: Convert to use the standard hdmi.h header
drm/exynos: Fix trivial typo
drm/exynos: Remove unnecessary semicolon
drm/exynos: Fix multiplatform breakage for ipp/gsc
drm/exynos: Fix freeing issues in exynos_drm_drv.c
drm/radeon: add missing include in btc_dpm.c
drm/radeon/dpm: fix uninitialized read from stack in kv_dpm_late_enable
drm/radeon: remove useless return
drm/radeon/dpm: use stored max_vddc rather than looking it up
drm/radeon/dpm: use the driver state for dpm debugfs
drm/radeon: fix UVD IRQ support on 7xx
drm/radeon: fix UVD IRQ support on SI
drm/msm: fix deadlock in bo create fail path
drm/msm/mdp4: cursor fixes
drm/msm/mdp4: pageflip fixes
drm/msm/mdp5: fix ref leaks in error paths
...
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In swap_inode_boot_loader() we forgot to release ->i_mutex and resume
unlocked dio for inode and inode_bl if there is an error starting the
journal handle. This commit fixes this issue.
Reported-by: Ahmed Tamrawi <ahmedtamrawi@gmail.com>
Cc: Andreas Dilger <adilger.kernel@dilger.ca>
Cc: Dr. Tilmann Bubeck <t.bubeck@reinform.de>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org # v3.10+
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This reverts commit d3c56568f43807135f2c2a09582a69f809f0d8b7.
The reverted commit breaks audio through headphone line out on
the Acer TravelMate B113 (Type1Sku0) Notebook, my main work
machine. I don't know much about it but this fixes my problem.
Bisected and tested.
Fixes: d3c56568f438 ('ALSA: hda/realtek - Avoid invalid COEFs for ALC271X')
Cc: <stable@vger.kernel.org>
Tested-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When mkfs issues a full device discard and the device only
supports discards of a smallish size, we can loop in
blkdev_issue_discard() for a long time. If preempt isn't enabled,
this can turn into a softlock situation and the kernel will
start complaining.
Add an explicit cond_resched() at the end of the loop to avoid
that.
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>
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Since the machine driver selects the CODEC driver we need to make sure that the
machine driver is only selectable if the CODEC driver can be build. This avoids
build errors under some configurations (which typically only result from
randconfig).
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Commit a115f749c1 (ext4: remove wait for unwritten extent conversion from
ext4_truncate) exposed a bug in ext4_ext_handle_uninitialized_extents().
It can be triggered by xfstest generic/299 when run on a test file
system created without a journal. This test continuously fallocates and
truncates files to which random dio/aio writes are simultaneously
performed by a separate process. The test completes successfully, but
if the test filesystem is mounted with the block_validity option, a
warning message stating that a logical block has been mapped to an
illegal physical block is posted in the kernel log.
The bug occurs when an extent is being converted to the written state
by ext4_end_io_dio() and ext4_ext_handle_uninitialized_extents()
discovers a mapping for an existing uninitialized extent. Although it
sets EXT4_MAP_MAPPED in map->m_flags, it fails to set map->m_pblk to
the discovered physical block number. Because map->m_pblk is not
otherwise initialized or set by this function or its callers, its
uninitialized value is returned to ext4_map_blocks(), where it is
stored as a bogus mapping in the extent status tree.
Since map->m_pblk can accidentally contain illegal values that are
larger than the physical size of the file system, calls to
check_block_validity() in ext4_map_blocks() that are enabled if the
block_validity mount option is used can fail, resulting in the logged
warning message.
Signed-off-by: Eric Whitney <enwlinux@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org # 3.11+
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Bug fix to allow the setting of maximum voltage for certain LDOs.
What the bug is:
There is a problem caused by an invalid calculation of n_voltages
in the driver. This n_voltages value has the potential to be
different for each regulator.
The value for linear_min_sel is set as DA9063_V##regl_name#
which can be different depending upon the regulator. This is
chosen according to the following definitions in the DA9063
registers.h file:
DA9063_VLDO1_BIAS 0
DA9063_VLDO2_BIAS 0
DA9063_VLDO3_BIAS 0
DA9063_VLDO4_BIAS 0
DA9063_VLDO5_BIAS 2
DA9063_VLDO6_BIAS 2
DA9063_VLDO7_BIAS 2
DA9063_VLDO8_BIAS 2
DA9063_VLDO9_BIAS 3
DA9063_VLDO10_BIAS 2
DA9063_VLDO11_BIAS 2
The calculation for n_voltages is valid for LDOs whose BIAS value
is zero but this is not correct for those LDOs which have a
non-zero value.
What the fix is:
In order to take into account the non-zero linear_min_sel value which
is set for the regulators LDO5, LDO6, LDO7, LDO8, LDO9, LDO10 and
LDO11, the calculation for n_voltages should take into account the
missing term defined by DA9063_V##regl_name#.
This will in turn allow the core constraints calculation to set the
maximum voltage limits correctly and therefore allow users to apply
the maximum expected voltage to all of the LDOs.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
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* acpi-dock:
ACPI / dock: Use acpi_device_enumerated() to check if dock is present
* acpi-scan:
ACPI / container: Fix error code path in container_device_attach()
* acpi-pci-hotplug:
ACPI / hotplug / PCI: Relax the checking of _STA return values
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To avoid leaking memory on errors from device_register(), do a
put_device() on the device object in question in the error code
path of container_device_attach().
Fixes: caa73ea158de (ACPI / hotplug / driver core: Handle containers in a special way)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
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Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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'regulator/fix/max14577' into regulator-linus
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The ACPI specification (ACPI 5.0A, Section 6.3.7) says:
_STA may return bit 0 clear (not present) with bit 3 set (device is
functional). This case is used to indicate a valid device for which
no device driver should be loaded (for example, a bridge device.)
Children of this device may be present and valid. OSPM should
continue enumeration below a device whose _STA returns this bit
combination.
Evidently, some BIOSes follow that and return 0x0A from _STA, which
causes problems to happen when they trigger bus check or device check
notifications for those devices too. Namely, ACPIPHP thinks that they
are gone and may drop them, for example, if such a notification is
triggered during a resume from system suspend.
To fix that, modify ACPICA to regard devies as present and
functioning if _STA returns both the ACPI_STA_DEVICE_ENABLED
and ACPI_STA_DEVICE_FUNCTIONING bits set for them.
Reported-and-tested-by: Peter Wu <lekensteyn@gmail.com>
Cc: 3.12+ <stable@vger.kernel.org> # 3.12+
[rjw: Subject and changelog, minor code modifications]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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There is a missing unlock on error here.
Fixes: 30f82d816d2d ('drm/vmwgfx: Reemit context bindings when necessary v2')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
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This patch queries the register SVGA_REG_MOB_MAX_SIZE for the
maximum size of a single mob.
Signed-off-by: Charmaine Lee <charmainel@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
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Introduced with 3.14-rc1
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
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It is needed to check the number of channels returned by the HW because it
cannot be greater than MAX_NET_DEVICES otherwise it will crash.
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Ben Herrenschmidt:
"Here is some powerpc goodness for -rc2. Arguably -rc1 material more
than -rc2 but I was travelling (again !)
It's mostly bug fixes including regressions, but there are a couple of
new things that I decided to drop-in.
One is a straightforward patch from Michael to add a bunch of P8 cache
events to perf.
The other one is a patch by myself to add the direct DMA (iommu
bypass) for PCIe on Power8 for 64-bit capable devices. This has been
around for a while, I had lost track of it. However it's been in our
internal kernels we use for testing P8 already and it affects only P8
related code. Since P8 is still unreleased the risk is pretty much
nil at this point"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/powernv: Add iommu DMA bypass support for IODA2
powerpc: Fix endian issues in kexec and crash dump code
powerpc/ppc32: Fix the bug in the init of non-base exception stack for UP
powerpc/xmon: Don't signal we've entered until we're finished printing
powerpc/xmon: Fix timeout loop in get_output_lock()
powerpc/xmon: Don't loop forever in get_output_lock()
powerpc/perf: Configure BHRB filter before enabling PMU interrupts
crypto/nx/nx-842: Fix handling of vmalloc addresses
powerpc/pseries: Select ARCH_RANDOM on pseries
powerpc/perf: Add Power8 cache & TLB events
powerpc/relocate fix relocate processing in LE mode
powerpc: Fix kdump hang issue on p8 with relocation on exception enabled.
powerpc/pseries: Disable relocation on exception while going down during crash.
powerpc/eeh: Drop taken reference to driver on eeh_rmv_device
powerpc: Fix build failure in sysdev/mpic.c for MPIC_WEIRD=y
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Initialize persistent_purge_work work_struct on xen_blkif_alloc (and
remove the previous initialization done in purge_persistent_gnt). This
prevents flush_work from complaining even if purge_persistent_gnt has
not been used.
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Tested-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Jens Axboe <axboe@fb.com>
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When the conversion was made to remove stop machine and use the breakpoint
logic instead, the modification of the function graph caller is still
done directly as though it was being done under stop machine.
As it is not converted via stop machine anymore, there is a possibility
that the code could be layed across cache lines and if another CPU is
accessing that function graph call when it is being updated, it could
cause a General Protection Fault.
Convert the update of the function graph caller to use the breakpoint
method as well.
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: stable@vger.kernel.org # 3.5+
Fixes: 08d636b6d4fb "ftrace/x86: Have arch x86_64 use breakpoints instead of stop machine"
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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rtl8821ae uses ieee80211 interfaces so it should depend on
MAC80211. Fixes these build errors:
ERROR: "ieee80211_rx_irqsafe" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_beacon_get_tim" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_unregister_hw" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "rate_control_send_low" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_stop_queue" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_rate_control_register" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "wiphy_to_ieee80211_hw" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_stop_tx_ba_cb_irqsafe" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_tx_status_irqsafe" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_find_sta" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_wake_queue" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_rate_control_unregister" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_register_hw" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_start_tx_ba_session" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_alloc_hw" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_free_hw" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_connection_loss" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
ERROR: "ieee80211_start_tx_ba_cb_irqsafe" [drivers/staging/rtl8821ae/rtl8821ae.ko] undefined!
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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into drm-next
These are a number of fixes from the patch set which Jean-Francois has
been working on which I think are important to be merged during -rc, and
have been tested independently here. I've been in discussion with Rob,
who is happy that I send these directly to you.
* 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
drm/i2c: tda998x: fix the ENABLE_SPACE register
drm/i2c: tda998x: set the PLL division factor in range 0..3
drm/i2c: tda998x: force the page register at startup time
drm/i2c: tda998x: free the CEC device on encoder_destroy
drm/i2c: tda998x: check the CEC device creation
drm/i2c: tda998x: fix bad value in the AIF
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ssh://git.freedesktop.org/git/drm-intel into drm-next
3 regression fixes in i915
* tag 'drm-intel-fixes-2014-02-11' of ssh://git.freedesktop.org/git/drm-intel:
drm/i915: Pair va_copy with va_end in i915_error_vprintf
drm/i915: Fix intel_pipe_to_cpu_transcoder for UMS
drm/i915: Disable dp aux irq on g4x
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Interface #5 of 19d2:1270 is a net interface which has been submitted to the
qmi_wwan driver so consequently remove it from the option driver.
Signed-off-by: Raymond Wanyoike <raymond.wanyoike@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
Sarah writes:
xhci: Revert TD fragment hacks.
Hi Greg,
Recently, we found that commit "35773dac5f86 "usb: xhci: Link TRB must not
occur within a USB payload burst" causes a userspace regression. It will
cause larger transfers submitted through usbfs that would have succeeded
on older kernels to be rejected.
Commit 35773dac5f86 was designed to address an issue where an ASIX USB
ethernet device would get wedged when it was connected to a 1.0 xHCI
host. Only this particular ethernet device was impacted, because only the
ax88179_178a driver implemented scatter-gather in 3.12. The xHCI driver
doesn't currently support TD fragment rules, and commit 35773dac5f86 was a
quick hack that partially implemented one of the rules.
This is the third regression this patch has caused. There's yet another
quick hack to work around the issue, but I really want to support TD
fragments properly, rather than hacking around it. It will take us a
kernel release or two to get it implemented, since it is a big
architectural change.
This patchset backs out commit 35773dac5f86, and the two bug fix patches
for it. The first patch limits arbitrarily aligned scatter-gather under
xHCI 1.0 hosts.
As a result of this patchset:
1. usb-storage and uas will still be able to use scatter-gather, since
they submit max packet sized aligned transfers.
2. usbfs will behave exactly as before, no more userspace regressions.
3. The ax88179_178a driver works fine without scatter-gather (Mark Lord
confirms this).
Users of the ASIX chipset may still see occasional packet loss on 1.0 xHCI
hosts, if the xHCI driver needs to split a TRB across 64-KB boundaries,
and a link TRB happens to fall between those two TRBs. I expect this
corner case to be infrequent.
Sarah Sharp
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According to BSpec the entire MI_DISPLAY_FLIP packet must be contained
in a single cacheline. Make sure that happens.
v2: Use intel_ring_begin_cacheline_safe()
v3: Use intel_ring_cacheline_align() (Chris)
Cc: Bjoern C <lkml@call-home.ch>
Cc: Alexandru DAMIAN <alexandru.damian@intel.com>
Cc: Enrico Tagliavini <enrico.tagliavini@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74053
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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intel_ring_cachline_align() emits MI_NOOPs until the ring tail is
aligned to a cacheline boundary.
Cc: Bjoern C <lkml@call-home.ch>
Cc: Alexandru DAMIAN <alexandru.damian@intel.com>
Cc: Enrico Tagliavini <enrico.tagliavini@gmail.com>
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org (prereq for the next patch)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree fixes from Rob Herring:
- Fix compile error drivers/spi/spi-rspi.c with !CONFIG_OF
- Fix warnings for unused/uninitialized variables with !CONFIG_OF
- Fix PCIe bus matching for powerpc
- Add documentation for various vendor strings
* tag 'dt-fixes-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
DT: Add vendor prefix for Spansion Inc.
of/device: Nullify match table in of_match_device() for CONFIG_OF=n
dt-bindings: add vendor-prefix for neonode
of: fix PCI bus match for PCIe slots
of: restructure for_each macros to fix compile warnings
of: add vendor prefix for Honeywell
of: Update qcom vendor prefix description
of: add vendor prefix for Allwinner Technology
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Pull microblaze fixes from Michal Simek:
- Fix two compilation issues - HZ, readq/writeq
- Fix stack protection support
* tag 'microblaze-3.14-rc3' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Fix a typo when disabling stack protection
microblaze: Define readq and writeq IO helper function
microblaze: Fix missing HZ macro
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 bugfixes from Martin Schwidefsky:
"A collection a bug fixes. Most of them are minor but two of them are
more severe. The linkage stack bug can be used by user space to force
an oops, with panic_on_oops this is a denial-of-service. And the dump
memory detection issue can cause incomplete memory dumps"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/cio: improve cio_commit_config
s390: fix kernel crash due to linkage stack instructions
s390/dump: Fix dump memory detection
s390/appldata: restore missing init_virt_timer()
s390/qdio: correct program-controlled interruption checking
s390/qdio: for_each macro correctness
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Pull networking updates from David Miller:
1) Fix flexcan build on big endian, from Arnd Bergmann
2) Correctly attach cpsw to GPIO bitbang MDIO drive, from Stefan Roese
3) udp_add_offload has to use GFP_ATOMIC since it can be invoked from
non-sleepable contexts. From Or Gerlitz
4) vxlan_gro_receive() does not iterate over all possible flows
properly, fix also from Or Gerlitz
5) CAN core doesn't use a proper SKB destructor when it hooks up
sockets to SKBs. Fix from Oliver Hartkopp
6) ip_tunnel_xmit() can use an uninitialized route pointer, fix from
Eric Dumazet
7) Fix address family assignment in IPVS, from Michal Kubecek
8) Fix ath9k build on ARM, from Sujith Manoharan
9) Make sure fail_over_mac only applies for the correct bonding modes,
from Ding Tianhong
10) The udp offload code doesn't use RCU correctly, from Shlomo Pongratz
11) Handle gigabit features properly in generic PHY code, from Florian
Fainelli
12) Don't blindly invoke link operations in
rtnl_link_get_slave_info_data_size, they are optional. Fix from
Fernando Luis Vazquez Cao
13) Add USB IDs for Netgear Aircard 340U, from Bjørn Mork
14) Handle netlink packet padding properly in openvswitch, from Thomas
Graf
15) Fix oops when deleting chains in nf_tables, from Patrick McHardy
16) Fix RX stalls in xen-netback driver, from Zoltan Kiss
17) Fix deadlock in mac80211 stack, from Emmanuel Grumbach
18) inet_nlmsg_size() forgets to consider ifa_cacheinfo, fix from Geert
Uytterhoeven
19) tg3_change_mtu() can deadlock, fix from Nithin Sujir
20) Fix regression in setting SCTP local source addresses on accepted
sockets, caused by some generic ipv6 socket changes. Fix from
Matija Glavinic Pecotic
21) IPPROTO_* must be pure defines, otherwise module aliases don't get
constructed properly. Fix from Jan Moskyto
22) IPV6 netconsole setup doesn't work properly unless an explicit
source address is specified, fix from Sabrina Dubroca
23) Use __GFP_NORETRY for high order skb page allocations in
sock_alloc_send_pskb and skb_page_frag_refill. From Eric Dumazet
24) Fix a regression added in netconsole over bridging, from Cong Wang
25) TCP uses an artificial offset of 1ms for SRTT, but this doesn't jive
well with TCP pacing which needs the SRTT to be accurate. Fix from
Eric Dumazet
26) Several cases of missing header file includes from Rashika Kheria
27) Add ZTE MF667 device ID to qmi_wwan driver, from Raymond Wanyoike
28) TCP Small Queues doesn't handle nonagle properly in some corner
cases, fix from Eric Dumazet
29) Remove extraneous read_unlock in bond_enslave, whoops. From Ding
Tianhong
30) Fix 9p trans_virtio handling of vmalloc buffers, from Richard Yao
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (136 commits)
6lowpan: fix lockdep splats
alx: add missing stats_lock spinlock init
9p/trans_virtio.c: Fix broken zero-copy on vmalloc() buffers
bonding: remove unwanted bond lock for enslave processing
USB2NET : SR9800 : One chip USB2.0 USB2NET SR9800 Device Driver Support
tcp: tsq: fix nonagle handling
bridge: Prevent possible race condition in br_fdb_change_mac_address
bridge: Properly check if local fdb entry can be deleted when deleting vlan
bridge: Properly check if local fdb entry can be deleted in br_fdb_delete_by_port
bridge: Properly check if local fdb entry can be deleted in br_fdb_change_mac_address
bridge: Fix the way to check if a local fdb entry can be deleted
bridge: Change local fdb entries whenever mac address of bridge device changes
bridge: Fix the way to find old local fdb entries in br_fdb_change_mac_address
bridge: Fix the way to insert new local fdb entries in br_fdb_changeaddr
bridge: Fix the way to find old local fdb entries in br_fdb_changeaddr
tcp: correct code comment stating 3 min timeout for FIN_WAIT2, we only do 1 min
net: vxge: Remove unused device pointer
net: qmi_wwan: add ZTE MF667
3c59x: Remove unused pointer in vortex_eisa_cleanup()
net: fix 'ip rule' iif/oif device rename
...
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The call to xprt_free_allocation() will call list_del() on
req->rq_bc_pa_list, which is not attached to a list.
This patch moves the list_del() out of xprt_free_allocation()
and into those callers that need it.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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4ac7249ea5a0ceef9f8269f63f33cc873c3fac61 "nfsd: use get_acl and
->set_acl" forgets to set the size in the case get_acl() succeeds, so
_posix_to_nfsv4_one() can then write past the end of its allocation.
Symptoms were slab corruption warnings.
Also, some minor cleanup while we're here. (Among other things, note
that the first few lines guarantee that pacl is non-NULL.)
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Each sub-buffer (buffer page) has a full 64 bit timestamp. The events on
that page use a 27 bit delta against that timestamp in order to save on
bits written to the ring buffer. If the time between events is larger than
what the 27 bits can hold, a "time extend" event is added to hold the
entire 64 bit timestamp again and the events after that hold a delta from
that timestamp.
As a "time extend" is always paired with an event, it is logical to just
allocate the event with the time extend, to make things a bit more efficient.
Unfortunately, when the pairing code was written, it removed the "delta = 0"
from the first commit on a page, causing the events on the page to be
slightly skewed.
Fixes: 69d1b839f7ee "ring-buffer: Bind time extend and data events together"
Cc: stable@vger.kernel.org # 2.6.37+
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Commit 70b41abc151f9
"ARM: ux500: move MSP pin control to the device tree"
accidentally activated MSP2, giving rise to a boot scroll
scream as the kernel attempts to probe a driver for it and
fails to obtain DMA channel 14.
Fix this up by marking the node disabled again.
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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Make sure we have a proper pairing between starting and requeueing
requests. Move the dma drain and REQ_END setup into blk_mq_start_request,
and make sure blk_mq_requeue_request properly undoes them, giving us
a pair of function to prepare and unprepare a request without leaving
side effects.
Together this ensures we always clean up properly after
BLK_MQ_RQ_QUEUE_BUSY returns from ->queue_rq.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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rq->errors never has been part of the communication protocol between drivers
and the block stack and most drivers will not have initialized it.
Return -EIO to upper layers when the driver returns BLK_MQ_RQ_QUEUE_ERROR
unconditionally. If a driver want to return a different error it can easily
do so by returning success after calling blk_mq_end_io itself.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Immutable biovecs changed the way bio segments are treated in such a way that
bio_for_each_segment() cannot now do what we want for discard/write same bios,
since bi_size means something completely different for them.
Fortunately discard and write same bios never have more than a single biovec, so
bio_for_each_segment() is unnecessary and not terribly meaningful for them, but
we still have to special case them in a few places.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Setup cgroupfs like this:
# mount -t cgroup -o cpuacct xxx /cgroup
# mkdir /cgroup/sub1
# mkdir /cgroup/sub2
Then run these two commands:
# for ((; ;)) { mkdir /cgroup/sub1/tmp && rmdir /mnt/sub1/tmp; } &
# for ((; ;)) { mkdir /cgroup/sub2/tmp && rmdir /mnt/sub2/tmp; } &
After seconds you may see this warning:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 25243 at lib/idr.c:527 sub_remove+0x87/0x1b0()
idr_remove called for id=6 which is not allocated.
...
Call Trace:
[<ffffffff8156063c>] dump_stack+0x7a/0x96
[<ffffffff810591ac>] warn_slowpath_common+0x8c/0xc0
[<ffffffff81059296>] warn_slowpath_fmt+0x46/0x50
[<ffffffff81300aa7>] sub_remove+0x87/0x1b0
[<ffffffff810f3f02>] ? css_killed_work_fn+0x32/0x1b0
[<ffffffff81300bf5>] idr_remove+0x25/0xd0
[<ffffffff810f2bab>] cgroup_destroy_css_killed+0x5b/0xc0
[<ffffffff810f4000>] css_killed_work_fn+0x130/0x1b0
[<ffffffff8107cdbc>] process_one_work+0x26c/0x550
[<ffffffff8107eefe>] worker_thread+0x12e/0x3b0
[<ffffffff81085f96>] kthread+0xe6/0xf0
[<ffffffff81570bac>] ret_from_fork+0x7c/0xb0
---[ end trace 2d1577ec10cf80d0 ]---
It's because allocating/removing cgroup ID is not properly synchronized.
The bug was introduced when we converted cgroup_ida to cgroup_idr.
While synchronization is already done inside ida_simple_{get,remove}(),
users are responsible for concurrent calls to idr_{alloc,remove}().
tj: Refreshed on top of b58c89986a77 ("cgroup: fix error return from
cgroup_create()").
Fixes: 4e96ee8e981b ("cgroup: convert cgroup_ida to cgroup_idr")
Cc: <stable@vger.kernel.org> #3.12+
Reported-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Commit d52eefb47d4e ("ia64/xen: Remove Xen support for ia64") removed
the Kconfig symbol XEN_XENCOMM. But it didn't remove the code depending
on that symbol. Remove that code now.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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xen/gntdev.h and xen/gntalloc.h both provide userspace ABIs so they
should be installed.
CC: stable@vger.kernel.org
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Commit fc087e10734a4d3e40693fc099461ec1270b3fff (xen/events: remove
unnecessary init_evtchn_cpu_bindings()) causes a regression.
The kernel-side VCPU binding was not being correctly set for newly
allocated or bound interdomain events. In ARM guests where 2-level
events were used, this would result in no interdomain events being
handled because the kernel-side VCPU masks would all be clear.
x86 guests would work because the irq affinity was set during irq
setup and this would set the correct kernel-side VCPU binding.
Fix this by properly initializing the kernel-side VCPU binding in
bind_evtchn_to_irq().
Reported-and-tested-by: Julien Grall <julien.grall@linaro.org>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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When a send failure occurs due to the socket being out of buffer space,
we call xs_nospace() in order to have the RPC task wait until the
socket has drained enough to make it worth while trying again.
The current patch fixes a race in which the socket is drained before
we get round to setting up the machinery in xs_nospace(), and which
is reported to cause hangs.
Link: http://lkml.kernel.org/r/20140210170315.33dfc621@notabene.brown
Fixes: a9a6b52ee1ba (SUNRPC: Don't start the retransmission timer...)
Reported-by: Neil Brown <neilb@suse.com>
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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'fck' field in dpi and sdi clock calculation struct is 'unsigned long
long', even though it should be 'unsigned long'. This hasn't caused any
issues so far.
Fix the field's type.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The driver uses DIV_ROUND_UP when calculating decimated width & height.
For example, when decimating with 3, the width is calculated as:
width = DIV_ROUND_UP(width, decim_x);
This yields bad results for some values. For example, 800/3=266.666...,
which is rounded to 267. When the input width is set to 267, and pixel
increment is set to 3, this causes the dispc to read a line of 801
pixels, i.e. it reads a wrong pixel at the end of the line.
Even more pressing, the above rounding causes a BUG() in pixinc(), as
the value of 801 is used to calculate row increment, leading to a bad
value being passed to pixinc().
This patch fixes the decimation by removing the DIV_ROUND_UP()s when
calculating width and height for decimation.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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'spi/fix/rspi' into spi-linus
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