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We are spending a lot of time explaining to users what this error
means. Let's try to improve the message to avoid this problem.
Signed-off-by: Theodore Ts'o <[email protected]>
Cc: [email protected]
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Make it clear that values printed are times, and that it is error
since last fsck. Also add note about fsck version required.
Signed-off-by: Pavel Machek <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
Reviewed-by: Andreas Dilger <[email protected]>
Cc: [email protected]
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git://anongit.freedesktop.org/drm-intel
Fixes for 3.16-rc3; most importantly Jesse brings back VGA he took away
on a bunch of machines. Also a vblank fix for BDW and a power workaround
fix for VLV.
* tag 'drm-intel-fixes-2014-07-03' of git://anongit.freedesktop.org/drm-intel:
drm/i915: Drop early VLV WA to fix Voltage not getting dropped to Vmin
drm/i915: only apply crt_present check on VLV
drm/i915: Wait for vblank after enabling the primary plane on BDW
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fix to a 3.15 commit.
* 'vmwgfx-fixes-3.16' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Fix incorrect write to read-only register v2:
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mode fixes for tda998x.
* 'tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
drm/i2c: tda998x: add some basic mode validation
drm/i2c: tda998x: faster polling for edid
drm/i2c: tda998x: move drm_i2c_encoder_destroy call
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Use Shawn's email address from Freescale.
Signed-off-by: Fabio Estevam <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
Acked-by: Shawn Guo <[email protected]>
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The first time that we allocate from an uninitialized inode allocation
bitmap, if the block allocation bitmap is also uninitalized, we need
to get write access to the block group descriptor before we start
modifying the block group descriptor flags and updating the free block
count, etc. Otherwise, there is the potential of a bad journal
checksum (if journal checksums are enabled), and of the file system
becoming inconsistent if we crash at exactly the wrong time.
Signed-off-by: Theodore Ts'o <[email protected]>
Cc: [email protected]
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irq_free_hwirqs() always calls irq_free_descs() with a cnt == 0
which makes it a no-op since the interrupt count to free is
decremented in itself.
Fixes: 7b6ef1262549f6afc5c881aaef80beb8fd15f908
Signed-off-by: Keith Busch <[email protected]>
Acked-by: David Rientjes <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull ARM64 fixes from Catalin Marinas:
- Exception level check at boot time (for completeness, not triggering
any bug before)
- I/D-cache synchronisation logic for huge pages
- Config symbol typo
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: fix el2_setup check of CurrentEL
arm64: mm: Make icache synchronisation logic huge page aware
arm64: mm: Fix horrendous config typo
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IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <[email protected]>
Cc: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
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IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <[email protected]>
Cc: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
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IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <[email protected]>
Cc: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
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IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <[email protected]>
Cc: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
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IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Signed-off-by: Sachin Kamat <[email protected]>
Cc: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
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IIO_CHAN_INFO_SAMP_FREQ and IIO_CHAN_INFO_HYSTERESIS cases ignored
the actual return values (which could be -EINVAL) and instead
returned IIO_VAL_INT_PLUS_MICRO always. Return the actual value
obtained from the functions. Both functions return IIO_VAL_INT_PLUS_MICRO
upon success.
Agreed with by Srinivas.
Signed-off-by: Sachin Kamat <[email protected]>
Cc: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
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Update MAINTAINERS file for recently added reset controller, AEMIF
and clocksource driver for Keystone SOCs.
The EMIF memory controller driver is also added along with AEMIF.
Cc: Arnd Bergmann <[email protected]>
Cc: Olof Johansson <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Mike Turquette <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Santosh Shilimkar <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>
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The mach-mxs platform is actually co-maintained by myself and
pengutronix folks. Also it's hosted in the same kernel tree as IMX.
So let's merge the entry into IMX one.
Signed-off-by: Shawn Guo <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>
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mvebu fixes for v3.16 (round #2)
- mvebu
- Fix PCIe deadlock now that SMP is enabled
- Fix cpuidle for big-endian systems
* tag 'mvebu-fixes-3.16-2' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: fix cpuidle implementation to work on big-endian systems
ARM: mvebu: update L2/PCIe deadlock workaround after L2CC cleanup
ARM: mvebu: move Armada 375 external abort logic as a quirk
Signed-off-by: Olof Johansson <[email protected]>
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This partly reverts commits 553600502b84 (ARM: sunxi: Remove reset code from
the platform) and 5e669ec583e2 (ARM: sunxi: Remove init_machine callback) for
the sun4i, sun5i and sun7i families.
This is needed because the watchdog counterpart of these commits was dropped,
and didn't make it into 3.16. In order to still be able to reboot the board, we
need to reintroduce that code. Of course, the long term view is still to get
rid of that code in mach-sunxi.
Signed-off-by: Maxime Ripard <[email protected]>
Signed-off-by: Olof Johansson <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge OMAP fixes from Tony Lindgren:
Fixes for omaps for issues discovered during the merge window and
enabling of a few features that had to wait for the driver
dependencies to clear.
The fixes included are:
- Fix am43xx hard reset flags
- Fix SoC detection for DRA722
- Fix CPU OPP table for omap5
- Fix legacy mux parser bug if requested muxname is a prefix of
multiple mux entries
- Fix qspi interrupt binding that relies on the irq crossbar
that has not yet been enabled
- Add missing phy_sel for am43x-epos-evm
- Drop unused gic_init_irq() that is no longer needed
And the enabling of features that had driver dependencies are:
- Change dra7 to use Audio Tracking Logic clock instead of a fixed
clock now that the clock driver for it has been merged
- Enable off idle configuration for selected omaps as all the kernel
dependencies for device tree based booting are finally merged as
this is needed to get the automated PM tests working finally with
device tree based booting
- Add hwmod entry for ocp2scp3 for omap5 to get sata working as
all the driver dependencies are now in the kernel and this patch
fell through the cracks during the merge window
* tag 'omap-for-v3.16/fixes-against-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: dra7-evm: remove interrupt binding
ARM: OMAP2+: Fix parser-bug in platform muxing code
ARM: DTS: dra7/dra7xx-clocks: ATL related changes
ARM: OMAP2+: drop unused function
ARM: dts: am43x-epos-evm: Add Missing cpsw-phy-sel for am43x-epos-evm
ARM: dts: omap5: Update CPU OPP table as per final production Manual
ARM: DRA722: add detection of SoC information
ARM: dts: Enable twl4030 off-idle configuration for selected omaps
ARM: OMAP5: hwmod: Add ocp2scp3 and sata hwmods
ARM: OMAP2+: hwmod: Change hardreset soc_ops for AM43XX
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We are returning success here because PTR_ERR(NULL) is zero. We should
be returning -ENODEV.
Fixes: 3de68d331c24 ('pinctrl: berlin: add the core pinctrl driver for Marvell Berlin SoCs')
Signed-off-by: Dan Carpenter <[email protected]>
Acked-by: Sebastian Hesselbarth <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
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This patch registers the exynos mct clocksource as the current timer
as it has constant clock rate. This will generate correct udelay for
the exynos platform and avoid using unnecessary calibrated
jiffies. This change has been tested on exynos5420 based board and
udelay is very close to expected.
Without this patch udelay() on exynos5400 / exynos5800 is wildly
inaccurate due to big.LITTLE not adjusting loops_per_jiffy correctly.
Also without this patch udelay() on exynos5250 can be innacruate
during transitions between frequencies < 800 MHz (you'll go 200 MHz ->
800 MHz -> 300 MHz and will run at 800 MHz for a time with the wrong
loops_per_jiffy).
[dianders: reworked and created version 3]
Signed-off-by: Amit Daniel Kachhap <[email protected]>
Signed-off-by: Doug Anderson <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>
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In (93bfb76 clocksource: exynos_mct: register sched_clock callback) we
supported using the MCT as a scheduler clock. We properly marked
exynos4_read_sched_clock() as notrace. However, we then went and
called another function that _wasn't_ notrace. That means if you do:
cd /sys/kernel/debug/tracing/
echo function_graph > current_tracer
You'll get a crash.
Fix this (but still let other readers of the MCT be trace-enabled) by
adding an extra function. It's important to keep other users of MCT
traceable because the MCT is actually quite slow to access and we want
exynos4_frc_read() to show up in ftrace profiles if it's the
bottleneck.
Signed-off-by: Doug Anderson <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>
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pwm-cells should be 3. Third cell is optional PWM flags. And This flag
supported by this binding is PWM_POLARITY_INVERTED.
Signed-off-by: Jaewon Kim <[email protected]>
Reviewed-by: Sachin Kamat <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>
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Commit 1754c42e3db5("ARM: exynos: move sysram info to exynos.c") missed
out the CONFIG_ prefix causing exynos_sysram_init() to get called twice
for SMP configurations.
Signed-off-by: Abhilash Kesavan <[email protected]>
Reviewed-by: Sachin Kamat <[email protected]>
Signed-off-by: Kukjin Kim <[email protected]>
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All other users of Makefile.build set $(obj) to the name of the
subdirectory to build. Do the same for the packaging targets, otherwise
the build fails if $(srctree) is a relative directory:
$ make O=build tar-pkg
make[1]: Entering directory `/home/mmarek/linux-2.6/build'
CHK include/config/kernel.release
../scripts/Makefile.build:44: ../../scripts/package/Makefile: No such file or directory
make[2]: *** No rule to make target `../../scripts/package/Makefile'. Stop.
Fixes: 9da0763b ("kbuild: Use relative path when building in a subdir of the source tree")
Signed-off-by: Michal Marek <[email protected]>
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Pull md bugfixes from Neil Brown:
"Two minor bugfixes for md in 3.16"
* tag 'md/3.16-fixes' of git://neil.brown.name/md:
md: flush writes before starting a recovery.
md: make sure GET_ARRAY_INFO ioctl reports correct "clean" status
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This contains a few fixes for HD-audio: yet another Dell headset pin
quirk, a fixup for Thinkpad T540P, and an improved fix for
Haswell/Broadwell HDMI clock setup"
* tag 'sound-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
drm/i915: provide interface for audio driver to query cdclk
ALSA: hda - Add a fixup for Thinkpad T540p
ALSA: hda - Add another headset pin quirk for some Dell machines
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"We've queued up a few fixes in my for-linus branch"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix crash when starting transaction
Btrfs: fix btrfs_print_leaf for skinny metadata
Btrfs: fix race of using total_bytes_pinned
btrfs: use E2BIG instead of EIO if compression does not help
btrfs: remove stale comment from btrfs_flush_all_pending_stuffs
Btrfs: fix use-after-free when cloning a trailing file hole
btrfs: fix null pointer dereference in btrfs_show_devname when name is null
btrfs: fix null pointer dereference in clone_fs_devices when name is null
btrfs: fix nossd and ssd_spread mount option regression
Btrfs: fix race between balance recovery and root deletion
Btrfs: atomically set inode->i_flags in btrfs_update_iflags
btrfs: only unlock block in verify_parent_transid if we locked it
Btrfs: assert send doesn't attempt to start transactions
btrfs compression: reuse recently used workspace
Btrfs: fix crash when mounting raid5 btrfs with missing disks
btrfs: create sprout should rename fsid on the sysfs as well
btrfs: dev replace should replace the sysfs entry
btrfs: dev add should add its sysfs entry
btrfs: dev delete should remove sysfs entry
btrfs: rename add_device_membership to btrfs_kobj_add_device
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The CurrentEL system register reports the Current Exception Level
of the CPU. It doesn't say anything about the stack handling, and
yet we compare it to PSR_MODE_EL2t and PSR_MODE_EL2h.
It works by chance because PSR_MODE_EL2t happens to match the right
bits, but that's otherwise a very bad idea. Just check for the EL
value instead.
Signed-off-by: Marc Zyngier <[email protected]>
[[email protected]: fixed arch/arm64/kernel/efi-entry.S]
Signed-off-by: Catalin Marinas <[email protected]>
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The __sync_icache_dcache routine will only flush the dcache for the
first page of a compound page, potentially leading to stale icache
data residing further on in a hugetlb page.
This patch addresses this issue by taking into consideration the
order of the page when flushing the dcache.
Reported-by: Mark Brown <[email protected]>
Tested-by: Mark Brown <[email protected]>
Signed-off-by: Steve Capper <[email protected]>
Acked-by: Will Deacon <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
Cc: <[email protected]> # v3.11+
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The define ARM64_64K_PAGES is tested for rather than
CONFIG_ARM64_64K_PAGES. Correct that typo here.
Signed-off-by: Steve Capper <[email protected]>
Signed-off-by: Catalin Marinas <[email protected]>
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Commit c2e28dc9 (kbuild: Print the name of the build directory) prints
the name of the build directory for O= builds, but we should not be
doing this in make -s mode, so that commands like
make -s O=<dir> kernelrelease
can be used by scripts. This matches the behavior of make itself, where
the -s option implies --no-print-directory.
Signed-off-by: Michal Marek <[email protected]>
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controller
For HSW/BDW display HD-A controller, hda_set_bclk() is defined to set BCLK
by programming the M/N values as per the core display clock (CDCLK) queried from
i915 display driver.
And the audio driver will also set BCLK in azx_first_init() since the display
driver can turn off the shared power in boot phase if only eDP is connected
and M/N values will be lost and must be reprogrammed.
Signed-off-by: Mengdong Lin <[email protected]>
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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For Haswell and Broadwell, if the display power well has been disabled,
the display audio controller divider values EM4 M VALUE and EM5 N VALUE
will have been lost. The CDCLK frequency is required for reprogramming them
to generate 24MHz HD-A link BCLK. So provide a private interface for the
audio driver to query CDCLK.
This is a stopgap solution until a more generic interface between audio
and display drivers has been implemented.
Signed-off-by: Jani Nikula <[email protected]>
Reviewed-by: Damien Lespiau <[email protected]>
Signed-off-by: Mengdong Lin <[email protected]>
Cc: <[email protected]>
Signed-off-by: Takashi Iwai <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB bugfixes from Greg KH:
"Here's a round of USB bugfixes, quirk additions, and new device ids
for 3.16-rc4. Nothing major in here at all, just a bunch of tiny
changes. All have been in linux-next with no reported issues"
* tag 'usb-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
usb: chipidea: udc: delete td from req's td list at ep_dequeue
usb: Kconfig: make EHCI_MSM selectable for QCOM SOCs
usb-storage/SCSI: Add broken_fua blacklist flag
usb: musb: dsps: fix the base address for accessing the mode register
tools: ffs-test: fix header values endianess
usb: phy: msm: Do not do runtime pm if the phy is not idle
usb: musb: Ensure that cppi41 timer gets armed on premature DMA TX irq
usb: gadget: gr_udc: Fix check for invalid number of microframes
usb: musb: Fix panic upon musb_am335x module removal
usb: gadget: f_fs: resurect usb_functionfs_descs_head structure
Revert "tools: ffs-test: convert to new descriptor format fixing compilation error"
xhci: Fix runtime suspended xhci from blocking system suspend.
xhci: clear root port wake on bits if controller isn't wake-up capable
xhci: correct burst count field for isoc transfers on 1.0 xhci hosts
xhci: Use correct SLOT ID when handling a reset device command
MAINTAINERS: update e-mail address
usb: option: add/modify Olivetti Olicard modems
USB: ftdi_sio: fix null deref at port probe
MAINTAINERS: drop two usb-serial subdriver entries
USB: option: add device ID for SpeedUp SU9800 usb 3g modem
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver bugfixes from Greg KH:
"Nothing major here, just 4 small bugfixes that resolve some issues
reported for the IIO (staging and non-staging) and the tidspbridge
driver"
* tag 'staging-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: tidspbridge: fix an erroneous removal of parentheses
iio: of_iio_channel_get_by_name() returns non-null pointers for error legs
staging: iio/ad7291: fix error code in ad7291_probe()
iio:adc:ad799x: Fix reading and writing of event values, apply shift
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Well, one drivercore fix for kernfs to resolve a reported issue with
sysfs files being updated from atomic contexts, and another lz4 bugfix
for testing potential buffer overflows"
* tag 'driver-core-3.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
lz4: add overrun checks to lz4_uncompress_unknownoutputsize()
kernfs: kernfs_notify() must be useable from non-sleepable contexts
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Oleg Nesterov found and fixed a bug in the perf/ftrace/uprobes code
where running:
# perf probe -x /lib/libc.so.6 syscall
# echo 1 >> /sys/kernel/debug/tracing/events/probe_libc/enable
# perf record -e probe_libc:syscall whatever
kills the uprobe. Along the way he found some other minor bugs and
clean ups that he fixed up making it a total of 4 patches.
Doing unrelated work, I found that the reading of the ftrace trace
file disables all function tracer callbacks. This was fine when
ftrace was the only user, but now that it's used by perf and kprobes,
this is a bug where reading trace can disable kprobes and perf. A
very unexpected side effect and should be fixed"
* tag 'trace-fixes-v3.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Remove ftrace_stop/start() from reading the trace file
tracing/uprobes: Fix the usage of uprobe_buffer_enable() in probe_event_enable()
tracing/uprobes: Kill the bogus UPROBE_HANDLER_REMOVE code in uprobe_dispatcher()
uprobes: Change unregister/apply to WARN() if uprobe/consumer is gone
tracing/uprobes: Revert "Support mix of ftrace and perf"
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild fix from Michal Marek:
"There is one more fix for the relative paths series from -rc1: Print
the path to the build directory at the start of the build, so that
editors and IDEs can match the relative paths to source files"
* 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Print the name of the build directory
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Pull nfsd bugfixes from Bruce Fields:
"By coincidence, two NFSv4 symlink bugs, one introduced in the 3.16 xdr
encoding rewrite, the other a decoding bug that I think we've had
since the start but that just doesn't trigger very often"
* 'for-3.16' of git://linux-nfs.org/~bfields/linux:
nfs: fix nfs4d readlink truncated packet
nfsd: fix rare symlink decoding bug
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The 'sysret' fastpath does not correctly restore even all regular
registers, much less any segment registers or reflags values. That is
very much part of why it's faster than 'iret'.
Normally that isn't a problem, because the normal ptrace() interface
catches the process using the signal handler infrastructure, which
always returns with an iret.
However, some paths can get caught using ptrace_event() instead of the
signal path, and for those we need to make sure that we aren't going to
return to user space using 'sysret'. Otherwise the modifications that
may have been done to the register set by the tracer wouldn't
necessarily take effect.
Fix it by forcing IRET path by setting TIF_NOTIFY_RESUME from
arch_ptrace_stop_needed() which is invoked from ptrace_stop().
Signed-off-by: Tejun Heo <[email protected]>
Reported-by: Andy Lutomirski <[email protected]>
Acked-by: Oleg Nesterov <[email protected]>
Suggested-by: Linus Torvalds <[email protected]>
Cc: [email protected]
Signed-off-by: Linus Torvalds <[email protected]>
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Jan points out that I forgot to make the needed fixes to the
lz4_uncompress_unknownoutputsize() function to mirror the changes done
in lz4_decompress() with regards to potential pointer overflows.
The only in-kernel user of this function is the zram code, which only
takes data from a valid compressed buffer that it made itself, so it's
not a big issue. But due to external kernel modules using this
function, it's better to be safe here.
Reported-by: Jan Beulich <[email protected]>
Cc: "Don A. Bailey" <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Without the patch:
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck # cat clk_rate
532000000
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck/l3_iclk_div # cat clk_rate
532000000
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck/l3_iclk_div/l4_root_clk_div # cat clk_rate
532000000
With the patch:
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck # cat clk_rate
532000000
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck/l3_iclk_div # cat clk_rate
266000000
/debug/.../dpll_core_x2_ck/dpll_core_h12x2_ck/l3_iclk_div/l4_root_clk_div # cat clk_rate
133000000
The l3 clock derived from core DPLL is actually a divider clock,
with the default divider set to 2. l4 then derived from l3 is a fixed factor
clock, but the fixed divider is 2 and not 1. Which means the l3 clock is
half of core DPLLs h12x2 and l4 is half of l3 (as seen with this patch)
Signed-off-by: Rajendra Nayak <[email protected]>
Signed-off-by: Tero Kristo <[email protected]>
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Commit 8846bab180fa introduced a helper that can be used to query the
wire transfer size for a SCSI command taking protection information into
account.
However, some commands do not have a 1:1 mapping between the block range
they work on and the payload size (discard, write same). After the
scatterlist has been set up these requests use __data_len to store the
number of bytes to report completion on. This means that callers of
scsi_transfer_length() would get the wrong byte count for these types of
requests.
To overcome this we make scsi_transfer_length() use the scatterlist
length in the scsi_data_buffer as basis for the wire transfer
calculation instead of __data_len.
Reported-by: Christoph Hellwig <[email protected]>
Debugged-by: Mike Christie <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Fixes: d77e65350f2d82dfa0557707d505711f5a43c8fd
Cc: [email protected]
Signed-off-by: James Bottomley <[email protected]>
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The module test script for the adm1021 driver exposes a cache problem
when writing temperature limits. temp_min and temp_max are expected
to be stored in milli-degrees C but are stored in degrees C.
Reported-by: Guenter Roeck <[email protected]>
Signed-off-by: Axel Lin <[email protected]>
Cc: [email protected]
Signed-off-by: Guenter Roeck <[email protected]>
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Writing to fanX_div does not clear the cache. As a result, reading
from fanX_div may return the old value for up to two seconds
after writing a new value.
This patch ensures the fan_div cache is updated in set_fan_div().
Reported-by: Guenter Roeck <[email protected]>
Signed-off-by: Axel Lin <[email protected]>
Cc: [email protected]
Signed-off-by: Guenter Roeck <[email protected]>
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temp2_input should not be writable, fix it.
Reported-by: Guenter Roeck <[email protected]>
Signed-off-by: Axel Lin <[email protected]>
Cc: [email protected]
Signed-off-by: Guenter Roeck <[email protected]>
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Merge fixes from Andrew Morton:
"14 fixes"
* emailed patches from Andrew Morton <[email protected]>:
shmem: fix init_page_accessed use to stop !PageLRU bug
kernel/printk/printk.c: revert "printk: enable interrupts before calling console_trylock_for_printk()"
tools/testing/selftests/ipc/msgque.c: improve error handling when not running as root
fs/seq_file: fallback to vmalloc allocation
/proc/stat: convert to single_open_size()
hwpoison: fix the handling path of the victimized page frame that belong to non-LRU
mm:vmscan: update the trace-vmscan-postprocess.pl for event vmscan/mm_vmscan_lru_isolate
msync: fix incorrect fstart calculation
zram: revalidate disk after capacity change
tools: memory-hotplug fix unexpected operator error
tools: cpu-hotplug fix unexpected operator error
autofs4: fix false positive compile error
slub: fix off by one in number of slab tests
mm: page_alloc: fix CMA area initialisation when pageblock > MAX_ORDER
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