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This variable is never used.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This function is in fact counting the ring slots required for responses.
Separate the concepts of ring slots and skb frags make the code clearer, as
now netfront and netback can have different MAX_SKB_FRAGS, slot and frag are
not mapped 1:1 any more.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This variable is supposed to hold reference to the last extra_info in the
loop. However there is only type of extra info here and the loop to process
extra info is missing, so this variable is never used and causes confusion.
Remove it at the moment. We can add it back when necessary.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fec_ptp.ko can't run individually
rename fec.c to fec_main.c
Build fec.o and fec_ptp.o into one fec.ko
Remove unnessary EXPORT_SYMBOL in fec_ptp
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With the addition of following patch:
fcf8058 cpufreq: Simplify cpufreq_add_dev()
cpufreq driver's .init() routine must initialize policy->cpus with
mask of all possible CPUs (Online + Offline) that share the clock.
Then the core would copy this mask onto policy->related_cpus and will
reset policy->cpus to carry only online cpus.
acpi-cpufreq driver wasn't updated with this assumption and so
sometimes when we try to hot[un]plug CPUs at run time, sysfs
directories get corrupted.
This patch fixes acpi-cpufreq driver against this corruption.
Reported-and-tested-by: Maciej Rutecki <maciej.rutecki@gmail.com>
Tested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In cpufreq_stats_free_sysfs() we aren't balancing calls to
cpufreq_cpu_get() with cpufreq_cpu_put(). This will never let us have
ref count to policy->kobj as zero.
We will get a hang if somehow cpufreq_driver_unregister() is called.
And that can happen when we compile our driver as module and
insmod/rmmod it.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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They are defined in coreboot (MSR_PLATFORM) and the other
one is already defined in msr-index.h.
Let's use those.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Use the correct pstate value to calculate the effective frequency.
References: https://bugzilla.redhat.com/show_bug.cgi?id=923942
Reported-by: Satish Balay <balay@fastmail.fm>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Some VMs seem to try to implement some MSRs but not all the registers
the driver needs. Check to make sure all the MSR that we need are
available. If any of the required MSRs are not available refuse to
load.
References: https://bugzilla.redhat.com/show_bug.cgi?id=922923
Reported-by: Josh Stone <jistone@redhat.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull drm fixes from Dave Airlie:
"Exynos and Intel fixes.
The intel fixes are fairly straightforward, mostly reverts due to bugs
found. The exynos one is a big larger since they found some issues
with the G2D engine and iommu interaction, and needed to verify the
operations a lot better than they were previously, otherwise a user
app can just crash the kernel with an iommu fault."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
Revert "drm/i915: write backlight harder"
drm/i915: don't disable the power well yet
Revert "drm/i915: set TRANSCODER_EDP even earlier"
drm/exynos: Check g2d cmd list for g2d restrictions
drm/exynos: Add a new function to get gem buffer size
drm/exynos: Deal with g2d buffer info more efficiently
drm/exynos: Clean up some G2D codes for readability
drm/exynos: Fix G2D core malfunctioning issue
drm/exynos: clear node object type at gem unmap
drm/exynos: Fix error routine to getting dma addr.
drm/exynos: Replaced kzalloc & memcpy with kmemdup
drm/exynos: fimd: calculate the correct address offset
drm/exynos: Make mixer_check_timing static
drm/exynos: modify the compatible string for exynos fimd
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git://people.freedesktop.org/~danvet/drm-intel into HEAD
Daniel writes:
"Just three revert/disable by default patches, one of them cc: stable
(since the offending commit was cc: stable, too)."
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
Revert "drm/i915: write backlight harder"
drm/i915: don't disable the power well yet
Revert "drm/i915: set TRANSCODER_EDP even earlier"
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into HEAD
Inki writes:
Includes bug fixes and code cleanups.
And it considers some restrictions to G2D hardware.
With this, the malfunction and page fault issues to g2d driver
would be fixed.
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm/exynos: Check g2d cmd list for g2d restrictions
drm/exynos: Add a new function to get gem buffer size
drm/exynos: Deal with g2d buffer info more efficiently
drm/exynos: Clean up some G2D codes for readability
drm/exynos: Fix G2D core malfunctioning issue
drm/exynos: clear node object type at gem unmap
drm/exynos: Fix error routine to getting dma addr.
drm/exynos: Replaced kzalloc & memcpy with kmemdup
drm/exynos: fimd: calculate the correct address offset
drm/exynos: Make mixer_check_timing static
drm/exynos: modify the compatible string for exynos fimd
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
firewire-net driver changes:
- fix memory leak and kmap leak at shutdown
- release IR DMA context already at ifdown rather than shutdown
(many controllers have got only 4 of them, so let's not hold it
longer than strictly necessary)
- misc startup/shutdown changes which prepare for later addition
of IPv6-over-1394 support
Signed-off-by: David S. Miller <davem@davemloft.net>
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fix for incorrect assignment of signed expression to unsigned variable.
Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Acked-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When both the Marvell MV643XX ethernet driver and the Orion MDIO driver
are compiled as modules, the ethernet driver may be probed before the
MDIO driver. Let mv643xx_eth_probe() return EPROBE_DEFER in this case,
i.e. when it cannot find the PHY.
Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mvmdio driver can be instantiated using device tree or as a classic
platform device. In order to load the driver automatically by udev in
the latter case, the driver needs to define a module alias for the
platform device.
Signed-off-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl fixes from Linus Walleij:
"Here are a few pinctrl fixes for the v3.9 rc series:
- Usecount bounds checking so we do not go below zero on mux
usecounts.
- Loop range checking in GPIO ranges in the DT range parser.
- Proper print in debugfs for pinconf state.
- Fix compilation bug in generic pinconf code.
- Minor bugfixes to abx500 and mvebu drivers."
* tag 'pinctrl-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinmux: forbid mux_usecount to be set at UINT_MAX
pinctrl: mvebu: fix checking for SoC specific controls
pinctrl: generic: Fix compilation error
pinctrl: Print the correct information in debugfs pinconf-state file
pinctrl: abx500: Fix checking if pin use AlternateFunction register
gpio: fix wrong checking condition for gpio range
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
"A collection of minor fixes, more EFI variables paranoia
(anti-bricking) plus the ability to disable the pstore either as a
runtime default or completely, due to bricking concerns."
* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efivars: Fix check for CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE
x86, microcode_intel_early: Mark apply_microcode_early() as cpuinit
efivars: Handle duplicate names from get_next_variable()
efivars: explicitly calculate length of VariableName
efivars: Add module parameter to disable use as a pstore backend
efivars: Allow disabling use as a pstore backend
x86-32, microcode_intel_early: Fix crash with CONFIG_DEBUG_VIRTUAL
x86-64: Fix the failure case in copy_user_handle_tail()
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This reverts commit cf0a6584aa6d382f802f2c3cacac23ccbccde0cd.
Turns out that cargo-culting breaks systems. Note that we can't revert
further, since
commit 770c12312ad617172b1a65b911d3e6564fc5aca8
Author: Takashi Iwai <tiwai@suse.de>
Date: Sat Aug 11 08:56:42 2012 +0200
drm/i915: Fix blank panel at reopening lid
fixed a regression in 3.6-rc kernels for which we've never figured out
the exact root cause. But some further inspection of the backlight
code reveals that it's seriously lacking locking. And especially the
asle backlight update is know to get fired (through some smm magic)
when writing specific backlight control registers. So the possibility
of suffering from races is rather real.
Until those races are fixed I don't think it makes sense to try
further hacks. Which sucks a bit, but sometimes that's how it is :(
References: http://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg18788.html
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=47941
Tested-by: Takashi Iwai <tiwai@suse.de>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: stable@vger.kernel.org (the reverted commit was cc: stable, too)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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We're still not 100% ready to disable the power well, so don't disable
it for now. When we disable it we break the audio driver (because some
of the audio registers are on the power well) and machines with eDP on
port D (because it doesn't use TRANSCODER_EDP).
Also, instead of just reverting the code, add a Kernel option to let
us disable it if we want. This will allow us to keep developing and
testing the feature while it's not enabled.
This fixes problems caused by the following commit:
commit d6dd9eb1d96d2b7345fe4664066c2b7ed86da898
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Tue Jan 29 16:35:20 2013 -0200
drm/i915: dynamic Haswell display power well support
References: http://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg18788.html
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Mengdong Lin <mengdong.lin@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This reverts commit cc464b2a17c59adedbdc02cc54341d630354edc3.
The reason is that Takashi Iwai reported a regression bisected to this
commit:
http://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg18788.html
His machine has eDP on port D (usual desktop all-in-on setup), which
intel_dp.c identifies as an eDP panel, but the hsw ddi code
mishandles.
Closer inspection of the code reveals that haswell_crtc_mode_set also
checks intel_encoder_is_pch_edp when setting is_cpu_edp. On haswell
that doesn't make much sense (since there's no edp on the pch), but
what this function _really_ checks is whether that edp connector is on
port A or port D. It's just that on ilk-ivb port D was on the pch ...
So that explains why this seemingly innocent change killed eDP on port
D. Furthermore it looks like everything else accidentally works, since
we've never enabled eDP on port D support for hsw intentionally (e.g.
we still register the HDMI output for port D in that case).
But in retrospective I also don't like that this leaks highly platform
specific details into common code, and the reason is that the drm
vblank layer sucks. So instead I think we should:
- move the cpu_transcoder into the dynamic pipe_config tracking (once
that's merged).
- fix up the drm vblank layer to finally deal with kms crtc objects
instead of int pipes.
v2: Pimp commit message with the better diagnosis as discussed with
Paulo on irc.
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Pull SCSI target fixes from Nicholas Bellinger:
"These are mostly minor fixes this time around. The iscsi-target CHAP
big-endian bugfix and bump FD_MAX_SECTORS=2048 default patch to allow
1MB sized I/Os for FILEIO backends on >= v3.5 code are both CC'ed to
stable.
Also, there is a persistent reservations regression that has recently
been reported for >= v3.8.x code, that is currently being tracked down
for v3.9."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target/pscsi: Reject cross page boundary case in pscsi_map_sg
target/file: Bump FD_MAX_SECTORS to 2048 to handle 1M sized I/Os
tcm_vhost: Flush vhost_work in vhost_scsi_flush()
tcm_vhost: Add missed lock in vhost_scsi_clear_endpoint()
target: fix possible memory leak in core_tpg_register()
target/iscsi: Fix mutual CHAP auth on big-endian arches
target_core_sbc: use noop for SYNCHRONIZE_CACHE
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Pull md fixes from NeilBrown:
"A few bugfixes for md
- recent regressions in raid5
- recent regressions in dmraid
- a few instances of CONFIG_MULTICORE_RAID456 linger
Several tagged for -stable"
* tag 'md-3.9-fixes' of git://neil.brown.name/md:
md: remove CONFIG_MULTICORE_RAID456 entirely
md/raid5: ensure sync and DISCARD don't happen at the same time.
MD: Prevent sysfs operations on uninitialized kobjects
MD RAID5: Avoid accessing gendisk or queue structs when not available
md/raid5: schedule_construction should abort if nothing to do.
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
Pull libata updates from Jeff Garzik:
"Simple stuff. See one-line summaries."
* tag 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata_samsung_cf: use module_platform_driver_probe()
[libata] Avoid specialized TLA's in ZPODD's Kconfig
libata-acpi.c: fix copy and paste mistake in ata_acpi_register_power_resource
sata_fsl: Remove redundant NULL check before kfree
ahci: Add Device IDs for Intel Wellsburg PCH
ata_piix: Add MODULE_PARM_DESC to prefer_ms_hyperv
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"One bugfix for the tegra driver. Two updates regarding email
addresses and MAINTAINERS which I like to have up-to-date so people
can be reached immediately. While we are here, there is on PCI_ID
addition."
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: add maintainer entry for atmel i2c driver
i2c: Fix my e-mail address in drivers and documentation
i2c: iSMT: add Intel Avoton DeviceIDs
i2c: tegra: check the clk_prepare_enable() return value
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Pull watchdog fixes from Wim Van Sebroeck:
"Fix a boot issues and correct the AcpiMmioSel bitmask in the
sp5100_tco watchdog device driver"
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: sp5100_tco: Set the AcpiMmioSel bitmask value to 1 instead of 2
watchdog: sp5100_tco: Remove code that may cause a boot failure
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When KMS has parsed an EDID "detailed timing", it leaves the frame rate
zeroed. Consecutive (debug-) output of that mode thus yields 0 for
vsync. This simple fix also speeds up future invocations of
drm_mode_vrefresh().
While it is debatable whether this qualifies as a -stable fix I'd apply
it for consistency's sake; drm_helper_probe_single_connector_modes()
does the same thing already for all probed modes.
Cc: stable@vger.kernel.org
Signed-off-by: Torsten Duwe <duwe@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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EDID spreads some values across multiple bytes; bit-fiddling is needed
to retrieve these. The current code to parse "detailed timings" has a
cut&paste error that results in a vsync offset of at most 15 lines
instead of 63.
See
http://en.wikipedia.org/wiki/EDID
and in the "EDID Detailed Timing Descriptor" see bytes 10+11 show why
that needs to be a left shift.
Cc: stable@vger.kernel.org
Signed-off-by: Torsten Duwe <duwe@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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These changes modify the qib driver as part of acquiring
the InfiniBand assets of QLogic.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Vinit Agnihotri <vinit.abhay.agnihotri@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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I have a static checker which complains that 0x255 is too high for
the "dev->opstats[opcode]" array. It turns out that the hardware
has already validated the opcode at this point so it can't actually
overflow.
However, silencing the warning is good and this matches how the
opcode is treated in qib_ib_rcv() as well.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Commit f0dc117abdfa ("IPoIB: Fix TX queue lockup with mixed UD/CM
traffic") attempts to solve an issue where unprocessed UD send
completions can deadlock the netdev.
The patch doesn't fully resolve the issue because if more than half
the tx_outstanding's were UD and all of the destinations are RC
reachable, arming the CQ doesn't solve the issue.
This patch uses the IB_CQ_REPORT_MISSED_EVENTS on the
ib_req_notify_cq(). If the rc is above 0, the UD send cq completion
callback is called directly to re-arm the send completion timer.
This issue is seen in very large parallel filesystem deployments
and the patch has been shown to correct the issue.
Cc: <stable@vger.kernel.org>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Fix to return a negative error code from the error handling case
instead of 0, as returned elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Pull NVMe driver update from Matthew Wilcox:
"These patches have mostly been baking for a few months; sorry I didn't
get them in during the merge window. They're all bug fixes, except
for the addition of the SMART log and the addition to MAINTAINERS."
* git://git.infradead.org/users/willy/linux-nvme:
NVMe: Add namespaces with no LBA range feature
MAINTAINERS: Add entry for the NVMe driver
NVMe: Initialize iod nents to 0
NVMe: Define SMART log
NVMe: Add result to nvme_get_features
NVMe: Set result from user admin command
NVMe: End queued bio requests when freeing queue
NVMe: Free cmdid on nvme_submit_bio error
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Merge misc fixes from Andrew Morton.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mqueue: sys_mq_open: do not call mnt_drop_write() if read-only
mm/hotplug: only free wait_table if it's allocated by vmalloc
dma-debug: update DMA debug API to better handle multiple mappings of a buffer
dma-debug: fix locking bug in check_unmap()
drivers/rtc/rtc-at91rm9200.c: use a variable for storing IMR
drivers/video/ep93xx-fb.c: include <linux/io.h> for devm_ioremap()
drivers/rtc/rtc-da9052.c: fix for rtc device registration
mm: zone_end_pfn is too small
poweroff: change orderly_poweroff() to use schedule_work()
mm/hugetlb: fix total hugetlbfs pages count when using memory overcommit accouting
printk: Provide a wake_up_klogd() off-case
irq_work.h: fix warning when CONFIG_IRQ_WORK=n
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On some revisions of AT91 SoCs, the RTC IMR register is not working.
Instead of elaborating a workaround for that specific SoC or IP version,
we simply use a software variable to store the Interrupt Mask Register
and modify it for each enabling/disabling of an interrupt. The overhead
of this is negligible anyway.
The interrupt mask register (IMR) for the RTC is broken on the AT91SAM9x5
sub-family of SoCs (good overview of the members here:
http://www.eewiki.net/display/linuxonarm/AT91SAM9x5 ). The "user visible
effect" is the RTC doesn't work.
That sub-family is less than two years old and only has devicetree (DT)
support and came online circa lk 3.7 . The dust is yet to settle on the
DT stuff at least for AT91 SoCs (translation: lots of stuff is still
broken, so much that it is hard to know where to start).
The fix in the patch is pretty simple: just shadow the silicon IMR
register with a variable in the driver. Some older SoCs (pre-DT) use the
the rtc-at91rm9200 driver (e.g. obviously the AT91RM9200) and they should
not be impacted by the change. There shouldn't be a large volume of
interrupts associated with a RTC.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reported-by: Douglas Gilbert <dgilbert@interlog.com>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit be8678149701 ("drivers/video/ep93xx-fb.c: use devm_ functions")
introduced a build error:
drivers/video/ep93xx-fb.c: In function 'ep93xxfb_probe':
drivers/video/ep93xx-fb.c:532: error: implicit declaration of function 'devm_ioremap'
drivers/video/ep93xx-fb.c:533: warning: assignment makes pointer from integer without a cast
Include <linux/io.h> to pickup the declaration of 'devm_ioremap'.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Cc: Damien Cassou <damien.cassou@lifl.fr>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add support for the virtual irq since now MFD only handles virtual irq
Without this patch rtc device will fail in registration.
(akpm: Ashish has a different version whcih will be needed for 3.8.x and
earlier kernels)
Signed-off-by: Ashish <ashish.jangam@kpitcummins.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The AcpiMmioSel bit is bit 1 in the AcpiMmioEn register, but the current
sp5100_tco driver is using bit 2.
See 2.3.3 Power Management (PM) Registers page 150 of the
AMD SB800-Series Southbridges Register Reference Guide [1].
AcpiMmioEn - RW – 8/16/32 bits - [PM_Reg: 24h]
Field Name Bits Default Description
AcpiMMioDecodeEn 0 0b Set to 1 to enable AcpiMMio space.
AcpiMMIoSel 1 0b Set AcpiMMio registers to be memory-mapped or IO-mapped space.
0: Memory-mapped space
1: I/O-mapped space
The sp5100_tco driver expects zero as a value of AcpiMmioSel (bit 1).
Fortunately, no problems were caused by this typo, because the default
value of the undocumented misused bit 2 seems to be zero.
However, the sp5100_tco driver should use the correct bitmask value.
[1] http://support.amd.com/us/Embedded_TechDocs/45482.pdf
Signed-off-by: Takahisa Tanaka <mc74hc00@gmail.com>
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: stable <stable@vger.kernel.org>
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A problem was found on PC's with the SB700 chipset: The PC fails to
load BIOS after running the 3.8.x kernel until the power is completely
cut off. It occurs in all 3.8.x versions and the mainline version as of
2/4. The issue does not occur with the 3.7.x builds.
There are two methods for accessing the watchdog registers.
1. Re-programming a resource address obtained by allocate_resource()
to chipset.
2. Use the direct memory-mapped IO access.
The method 1 can be used by all the chipsets (SP5100, SB7x0, SB8x0 or
later). However, experience shows that only PC with the SB8x0 (or
later) chipsets can use the method 2.
This patch removes the method 1, because the critical problem was found.
That's why the watchdog timer was able to be used on SP5100 and SB7x0
chipsets until now.
Link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1116835
Link: https://lkml.org/lkml/2013/2/14/271
Signed-off-by: Takahisa Tanaka <mc74hc00@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: stable <stable@vger.kernel.org>
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The 'CONFIG_' prefix is not implicit in IS_ENABLED().
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: Seth Forshee <seth.forshee@canonical.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are a number of USB fixes that resolve issues that have been
reported against 3.9-rc3."
* tag 'usb-3.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (37 commits)
USB: ti_usb_3410_5052: fix use-after-free in TIOCMIWAIT
USB: ssu100: fix use-after-free in TIOCMIWAIT
USB: spcp8x5: fix use-after-free in TIOCMIWAIT
USB: quatech2: fix use-after-free in TIOCMIWAIT
USB: pl2303: fix use-after-free in TIOCMIWAIT
USB: oti6858: fix use-after-free in TIOCMIWAIT
USB: mos7840: fix use-after-free in TIOCMIWAIT
USB: mos7840: fix broken TIOCMIWAIT
USB: mct_u232: fix use-after-free in TIOCMIWAIT
USB: io_ti: fix use-after-free in TIOCMIWAIT
USB: io_edgeport: fix use-after-free in TIOCMIWAIT
USB: ftdi_sio: fix use-after-free in TIOCMIWAIT
USB: f81232: fix use-after-free in TIOCMIWAIT
USB: cypress_m8: fix use-after-free in TIOCMIWAIT
USB: ch341: fix use-after-free in TIOCMIWAIT
USB: ark3116: fix use-after-free in TIOCMIWAIT
USB: serial: add modem-status-change wait queue
USB: serial: fix interface refcounting
USB: io_ti: fix get_icount for two port adapters
USB: garmin_gps: fix memory leak on disconnect
...
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Pull EDAC fixes from Borislav Petkov:
"A fix from Mauro to correct csrow size accounting in sysfs and a
sparse fix from Stephen Hemminger."
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC: Merge mci.mem_is_per_rank with mci.csbased
amd64_edac: Correct DIMM sizes
EDAC: Make sysfs functions static
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The LBA Range Type feature is optional in the NVMe specification,
so we should continue with adding namespaces for controllers that do
not implement this feature.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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sizeof() when applied to a pointer typed expression gives the
size of the pointer, not that of the pointed data.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: scameron@beardog.cce.hp.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Any partitions added by user space to the loop device were being
left in place after detaching the loop device. This was because
the detach path issued a BLKRRPART to clean up partitions if
LO_FLAGS_PARTSCAN was set, meaning that the partitions were auto
scanned on attach. Replace this BLKRRPART with code that
unconditionally cleans up partitions on detach instead.
Signed-off-by: Phillip Susi <psusi@ubuntu.com>
Modified by Jens to export delete_partition().
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This patch is meant to be a follow-up for a patch originally submitted under
the title "ioat: Do not enable DCA if tag map is invalid". It was brought to
my attention that the preferred approach for BIOS workarounds is to set the
taint flag for TAINT_FIRMWARE_WORKAROUND for systems that require BIOS
workarounds.
This change makes it so that the DCA workarounds for broken BIOSes will now
use WARN_TAINT_ONCE(1, TAINT_FIRMWARE_WORKAROUND, ...) instead of just
printing a message via dev_err.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull to get the thermal netlink multicast group name fix, otherwise
the assertion added in net-next to netlink to detect that kind of bug
makes systems unbootable for some folks.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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