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These symbols are used only in this file. Silences the following
warnings:
drivers/pinctrl/pinctrl-ab8500.c:392:28: warning:
symbol 'ab8500_alternate_functions' was not declared. Should it be static?
drivers/pinctrl/pinctrl-ab8500.c:458:32: warning:
symbol 'ab8500_gpio_irq_cluster' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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These symbols are used only in this file. Without this patch
we get the following warnings:
drivers/pinctrl/pinctrl-abx500.c:520:5: warning:
symbol 'abx500_gpio_request' was not declared. Should it be static?
drivers/pinctrl/pinctrl-abx500.c:527:6: warning:
symbol 'abx500_gpio_free' was not declared. Should it be static?
drivers/pinctrl/pinctrl-abx500.c:614:5: warning:
symbol 'abx500_gpio_request_enable' was not declared. Should it be static?
drivers/pinctrl/pinctrl-abx500.c:714:5: warning:
symbol 'abx500_pin_config_get' was not declared. Should it be static?
drivers/pinctrl/pinctrl-abx500.c:721:5: warning:
symbol 'abx500_pin_config_set' was not declared. Should it be static?
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch adds pinctrl-s3c64xx driver which implements pin control
interface for Samsung S3C64xx SoCs.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch adds support for banks that have more than one function
configuration registers, e.g. some of the banks of S3C64xx SoCs.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch replaces statically hardcoded register offsets of Exynos SoCs
with an array of register offsets in samsung_pin_bank_type struct.
Thanks to this change, support for SoCs with other set and order of
registers can be added (e.g. S3C24xx and S3C64xx).
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch splits pin bank description into two structures, one
describing bank type (currently only bitfield widths), which can be
shared across multiple banks and second containing bank-specific
parameters including a pointer to a bank type struct.
It is a prerequisite for further patch removing the statically hardcoded
register offsets, making it impossible to support SoCs with different
set and order of pin control registers.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Since pinctrl-samsung is a common part of the pin control support for
several Samsung SoCs, it can be compiled without Exynos support enabled.
This patch surrounds Exynos-specific driver data with ifdefs to include
them only when support for Exynos is enabled.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
[Fixed up EXYNOS4->EXYNOS]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Certain pin control registers can be accessed from different contexts,
i.e. pinctrl, gpio and irq functions. This makes the locking provided by
pin control core insufficient.
This patch adds necessary locking using a per bank spinlock as it was
done in the old Samsung GPIO driver.
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Linux 3.9-rc5
Conflicts:
drivers/pinctrl/pinconf.c
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This fix allows to correctly select default and
alternate pin mode.
By default for all ABx500 family chip, pin default
mode is selected by clearing corresponding bit in
GPIOSELx register except for pins which support
alternate function, in this case, corresponding bit
must be set.
But, due to an unlogical hardware implementation,
for one particular pin (GPIO11) reverse setting
must be done. For that, update the alternate function
array by declaring that this pin supports alternate
function.
Same issue has been fixed in pinctrl-ab8505.c
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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I accidentally left this patch:
commit 6f9e41f4e673bf9ae6a5c0831b1524a91ea1c440
"pinctrl/pinconfig: add debug interface"
in the tree though the patch was not yet finished.
Revert it partially (we need the infrastructural changes).
Cc: Laurent Meunier <laurent.meunier@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This adds a simple device tree binding for db8540 boards.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@stericsson.com>
Reviewed-by: Philippe Langlais <philippe.langlais@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Instead of just enabling the settings that were disabled in the 1st
loop, it's simpler to recall pinctrl_select_state with the old state.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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As Stephen Warren pointed out, pinctrl_free_setting() was called instead
of pinmux_disable_setting() on error.
In this error code, we want to call pinmux_disable_setting() where
pinmux_enable_setting() was called.
And when pinconf_apply_setting() was called, we can't do much to undo
the pin muxing (the closest thing I can think about for "unmuxing" a pin
is muxing it as GPIO input).
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The pointer "port" is always not NULL if gpio->port_list is not empty.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In unapply_new_state, the old state is re-applied, but p->state is not
set back as it should.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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As Stephen Warren suggested, checking first if the setting->node entry
is the first in the list or not is superfluous, as it is checked again
in the list_for_each_entry bellow.
So, remove it, the code will be simpler and lighter !
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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And remove superfluous brackets.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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For the port controller to work, we need to enable the apb0_pio gate.
This commit adds the ability to enable one clock specified on the device
tree to the pinctrl driver.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In file included from drivers/pinctrl/core.c:30:0:
include/asm-generic/gpio.h: In function 'gpio_get_value_cansleep':
include/asm-generic/gpio.h:270:2: error: implicit declaration of
function '__gpio_get_value' [-Werror=implicit-function-declaration]
include/asm-generic/gpio.h: In function 'gpio_set_value_cansleep':
include/asm-generic/gpio.h:276:2: error: implicit declaration of
function '__gpio_set_value' [-Werror=implicit-function-declaration]
drivers/pinctrl/core.c: In function 'pinctrl_ready_for_gpio_range':
drivers/pinctrl/core.c:297:9: error: implicit declaration of function
'gpio_to_chip' [-Werror=implicit-function-declaration]
drivers/pinctrl/core.c:297:27: warning: initialization makes pointer
from integer without a cast [enabled by default]
drivers/pinctrl/core.c:304:45: error: dereferencing pointer to
incomplete type
drivers/pinctrl/core.c:305:26: error: dereferencing pointer to
incomplete type
drivers/pinctrl/core.c:305:39: error: dereferencing pointer to
incomplete type
cc1: some warnings being treated as errors
make[2]: *** [drivers/pinctrl/core.o] Error 1
make[1]: *** [drivers/pinctrl] Error 2
make[1]: *** Waiting for unfinished jobs....
It's caused by CONFIG_GPIOLIB isn't enabled for some platform. So
add the dependence on pinctrl_ready_for_gpio_range().
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This fix allows to correctly select default and
alternate pin mode.
By default for all ABx500 family chip, pin default
mode is selected by clearing corresponding bit in
GPIOSELx register except for pins which support
alternate function, in this case, corresponding bit
must be set.
But, due to an unlogical hardware implementation,
for one particular pin (GPIO11) reverse setting
must be done. For that, update the alternate function
array by declaring that this pin supports alternate
function.
Reported-by: Ramesh Chandrasekaran <ramesh.chandrasekaran@stericsson.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Pull slave-dmaengine fixes from Vinod Koul:
"Two fixes for slave-dmaengine.
The first one is for making slave_id value correct for dw_dmac and
the other one fixes the endieness in DT parsing"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dw_dmac: adjust slave_id accordingly to request line base
dmaengine: dw_dma: fix endianess for DT xlate function
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"For a some fixes for Kernel 3.9:
- subsystem build fix when VIDEO_DEV=y, VIDEO_V4L2=m and I2C=m
- compilation fix for arm multiarch preventing IR_RX51 to be selected
- regression fix at bttv crop logic
- s5p-mfc/m5mols/exynos: a few fixes for cameras on exynos hardware"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] [REGRESSION] bt8xx: Fix too large height in cropcap
[media] fix compilation with both V4L2 and I2C as 'm'
[media] m5mols: Fix bug in stream on handler
[media] s5p-fimc: Do not attempt to disable not enabled media pipeline
[media] s5p-mfc: Fix encoder control 15 issue
[media] s5p-mfc: Fix frame skip bug
[media] s5p-fimc: send valid m2m ctx to fimc_m2m_job_finish
[media] exynos-gsc: send valid m2m ctx to gsc_m2m_job_finish
[media] fimc-lite: Fix the variable type to avoid possible crash
[media] fimc-lite: Initialize 'step' field in fimc_lite_ctrl structure
[media] ir: IR_RX51 only works on OMAP2
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Pull block fixes from Jens Axboe:
"Alright, this time from 10K up in the air.
Collection of fixes that have been queued up since the merge window
opened, hence postponed until later in the cycle. The pull request
contains:
- A bunch of fixes for the xen blk front/back driver.
- A round of fixes for the new IBM RamSan driver, fixing various
nasty issues.
- Fixes for multiple drives from Wei Yongjun, bad handling of return
values and wrong pointer math.
- A fix for loop properly killing partitions when being detached."
* tag 'for-linus-20130331' of git://git.kernel.dk/linux-block: (25 commits)
mg_disk: fix error return code in mg_probe()
rsxx: remove unused variable
rsxx: enable error return of rsxx_eeh_save_issued_dmas()
block: removes dynamic allocation on stack
Block: blk-flush: Fixed indent code style
cciss: fix invalid use of sizeof in cciss_find_cfgtables()
loop: cleanup partitions when detaching loop device
loop: fix error return code in loop_add()
mtip32xx: fix error return code in mtip_pci_probe()
xen-blkfront: remove frame list from blk_shadow
xen-blkfront: pre-allocate pages for requests
xen-blkback: don't store dev_bus_addr
xen-blkfront: switch from llist to list
xen-blkback: fix foreach_grant_safe to handle empty lists
xen-blkfront: replace kmalloc and then memcpy with kmemdup
xen-blkback: fix dispatch_rw_block_io() error path
rsxx: fix missing unlock on error return in rsxx_eeh_remap_dmas()
Adding in EEH support to the IBM FlashSystem 70/80 device driver
block: IBM RamSan 70/80 error message bug fix.
block: IBM RamSan 70/80 branding changes.
...
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This reverts commit 6aa9707099c4b25700940eb3d016f16c4434360d.
Commit 6aa9707099c4 ("lockdep: check that no locks held at freeze time")
causes problems with NFS root filesystems. The failures were noticed on
OMAP2 and 3 boards during kernel init:
[ BUG: swapper/0/1 still has locks held! ]
3.9.0-rc3-00344-ga937536 #1 Not tainted
-------------------------------------
1 lock held by swapper/0/1:
#0: (&type->s_umount_key#13/1){+.+.+.}, at: [<c011e84c>] sget+0x248/0x574
stack backtrace:
rpc_wait_bit_killable
__wait_on_bit
out_of_line_wait_on_bit
__rpc_execute
rpc_run_task
rpc_call_sync
nfs_proc_get_root
nfs_get_root
nfs_fs_mount_common
nfs_try_mount
nfs_fs_mount
mount_fs
vfs_kern_mount
do_mount
sys_mount
do_mount_root
mount_root
prepare_namespace
kernel_init_freeable
kernel_init
Although the rootfs mounts, the system is unstable. Here's a transcript
from a PM test:
http://www.pwsan.com/omap/testlogs/test_v3.9-rc3/20130317194234/pm/37xxevm/37xxevm_log.txt
Here's what the test log should look like:
http://www.pwsan.com/omap/testlogs/test_v3.8/20130218214403/pm/37xxevm/37xxevm_log.txt
Mailing list discussion is here:
http://lkml.org/lkml/2013/3/4/221
Deal with this for v3.9 by reverting the problem commit, until folks can
figure out the right long-term course of action.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Mandeep Singh Baines <msb@chromium.org>
Cc: Jeff Layton <jlayton@redhat.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: <maciej.rutecki@gmail.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ben Chan <benchan@chromium.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull SCSI target fixes from Nicholas Bellinger:
"This includes the bug-fix for a >= v3.8-rc1 regression specific to
iscsi-target persistent reservation conflict handling (CC'ed to
stable), and a tcm_vhost patch to drop VIRTIO_RING_F_EVENT_IDX usage
so that in-flight qemu vhost-scsi-pci device code can detect the
proper vhost feature bits.
Also, there are two more tcm_vhost patches still being discussed by
MST and Asias for v3.9 that will be required for the in-flight qemu
vhost-scsi-pci device patch to function properly, and that should
(hopefully) be the last target fixes for this round."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix RESERVATION_CONFLICT status regression for iscsi-target special case
tcm_vhost: Avoid VIRTIO_RING_F_EVENT_IDX feature bit
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On some hardware configurations we have got the request line with the offset.
The patch introduces convert_slave_id() helper for that cases. The request line
base is came from the driver data provided by the platform_device_id table.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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As reported by Wu Fengguang's build robot tracking sparse warnings, the
dma_spec arguments in the dw_dma_xlate are already byte swapped on
little-endian platforms and must not get swapped again. This code is
currently not used anywhere, but will be used in Linux 3.10 when the
ARM SPEAr platform starts using the generic DMA DT binding.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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The Adam Belay's e-mail address in MAINTAINERS under PNP SUPPORT
is not valid any more and I started to maintain that code in the
meantime as a matter of fact, so list myself as a maintainer of it
along with Bjorn and remove the Adam's entry from it.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull ceph fix from Sage Weil:
"This fixes a regression introduced during the last merge window when
mapping non-existent images."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
rbd: don't zero-fill non-image object requests
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A result of ENOENT from a read request for an object that's part of
an rbd image indicates that there is a hole in that portion of the
image. Similarly, a short read for such an object indicates that
the remainder of the read should be interpreted a full read with
zeros filling out the end of the request.
This behavior is not correct for objects that are not backing rbd
image data. Currently rbd_img_obj_request_callback() assumes it
should be done for all objects.
Change rbd_img_obj_request_callback() so it only does this zeroing
for image objects. Encapsulate that special handling in its own
function. Add an assertion that the image object request is a bio
request, since we assume that (and we currently don't support any
other types).
This resolves a problem identified here:
http://tracker.ceph.com/issues/4559
The regression was introduced by bf0d5f503dc11d6314c0503591d258d60ee9c944.
Reported-by: Dan van der Ster <dan@vanderster.com>
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-off-by: Sage Weil <sage@inktank.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"We've had a busy two weeks of bug fixing. The biggest patches in here
are some long standing early-enospc problems (Josef) and a very old
race where compression and mmap combine forces to lose writes (me).
I'm fairly sure the mmap bug goes all the way back to the introduction
of the compression code, which is proof that fsx doesn't trigger every
possible mmap corner after all.
I'm sure you'll notice one of these is from this morning, it's a small
and isolated use-after-free fix in our scrub error reporting. I
double checked it here."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: don't drop path when printing out tree errors in scrub
Btrfs: fix wrong return value of btrfs_lookup_csum()
Btrfs: fix wrong reservation of csums
Btrfs: fix double free in the btrfs_qgroup_account_ref()
Btrfs: limit the global reserve to 512mb
Btrfs: hold the ordered operations mutex when waiting on ordered extents
Btrfs: fix space accounting for unlink and rename
Btrfs: fix space leak when we fail to reserve metadata space
Btrfs: fix EIO from btrfs send in is_extent_unchanged for punched holes
Btrfs: fix race between mmap writes and compression
Btrfs: fix memory leak in btrfs_create_tree()
Btrfs: fix locking on ROOT_REPLACE operations in tree mod log
Btrfs: fix missing qgroup reservation before fallocating
Btrfs: handle a bogus chunk tree nicely
Btrfs: update to use fs_state bit
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Commit 3e7fc708eb41 ("ia64 idle: delete pm_idle") in 3.9-rc1 didn't
finish the job, leaving an un-initialized reference to (*idle)().
[ Haven't seen a crash from this - but seems like we are just being
lucky that "idle" is zero so it does get initialized before we jump to
randomland - Len ]
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull arc architecture fixes from Vineet Gupta:
"This includes fix for a serious bug in DMA mapping API, make
allyesconfig wreckage, removal of bogus email-list placeholder in
MAINTAINERS, a typo in ptrace helper code and last remaining changes
for syscall ABI v3 which we are finally starting to transition-to
internally.
The request is late than I intended to - but I was held up with
debugging a timer link list corruption, for which a proposed fix to
generic timer code was sent out to lkml/tglx earlier today."
* 'for-curr' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: Fix the typo in event identifier flags used by ptrace
arc: fix dma_address assignment during dma_map_sg()
ARC: Remove SET_PERSONALITY (tracks cross-arch change)
ARC: ABIv3: fork/vfork wrappers not needed in "no-legacy-syscall" ABI
ARC: ABIv3: Print the correct ABI ver
ARC: make allyesconfig build breakages
ARC: MAINTAINERS update for ARC
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A user reported a panic where we were panicing somewhere in
tree_backref_for_extent from scrub_print_warning. He only captured the trace
but looking at scrub_print_warning we drop the path right before we mess with
the extent buffer to print out a bunch of stuff, which isn't right. So fix this
by dropping the path after we use the eb if we need to. Thanks,
Cc: stable@vger.kernel.org
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
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This patch fixes a regression introduced in v3.8-rc1 code where a failed
target_check_reservation() check in target_setup_cmd_from_cdb() was causing
an incorrect SAM_STAT_GOOD status to be returned during a WRITE operation
performed by an unregistered / unreserved iscsi initiator port.
This regression is only effecting iscsi-target due to a special case check
for TCM_RESERVATION_CONFLICT within iscsi_target_erl1.c:iscsit_execute_cmd(),
and was still correctly disallowing WRITE commands from backend submission
for unregistered / unreserved initiator ports, while returning the incorrect
SAM_STAT_GOOD status due to the missing SAM_STAT_RESERVATION_CONFLICT
assignment.
This regression was first introduced with:
commit de103c93aff0bed0ae984274e5dc8b95899badab
Author: Christoph Hellwig <hch@lst.de>
Date: Tue Nov 6 12:24:09 2012 -0800
target: pass sense_reason as a return value
Go ahead and re-add the missing SAM_STAT_RESERVATION_CONFLICT assignment
during a target_check_reservation() failure, so that iscsi-target code
sends the correct SCSI status.
All other fabrics using target_submit_cmd_*() with a RESERVATION_CONFLICT
call to transport_generic_request_failure() are not effected by this bug.
Reported-by: Jeff Leung <jleung@curriegrad2004.ca>
Cc: Christoph Hellwig <hch@lst.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds a VHOST_SCSI_FEATURES mask minus VIRTIO_RING_F_EVENT_IDX
so that vhost-scsi-pci userspace will strip this feature bit once
GET_FEATURES reports it as being unsupported on the host.
This is to avoid a bug where ->handle_kicks() are missed when EVENT_IDX
is enabled by default in userspace code.
(mst: Rename to VHOST_SCSI_FEATURES + add comment)
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Asias He <asias@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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programs"
This reverts commit 186930500985 ("mm: introduce VM_POPULATE flag to
better deal with racy userspace programs").
VM_POPULATE only has any effect when userspace plays racy games with
vmas by trying to unmap and remap memory regions that mmap or mlock are
operating on.
Also, the only effect of VM_POPULATE when userspace plays such games is
that it avoids populating new memory regions that get remapped into the
address range that was being operated on by the original mmap or mlock
calls.
Let's remove VM_POPULATE as there isn't any strong argument to mandate a
new vm_flag.
Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are some USB fixes to resolve issues reported recently, as well
as a new device id for the ftdi_sio driver."
* tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: ftdi_sio: Add support for Mitsubishi FX-USB-AW/-BD
usb: Fix compile error by selecting USB_OTG_UTILS
USB: serial: fix hang when opening port
USB: EHCI: fix bug in iTD/siTD DMA pool allocation
xhci: Don't warn on empty ring for suspended devices.
usb: xhci: Fix TRB transfer length macro used for Event TRB.
usb/acpi: binding xhci root hub usb port with ACPI
usb: add find_raw_port_number callback to struct hc_driver()
usb: xhci: fix build warning
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY/serial fixes from Greg Kroah-Hartman:
"Here are some tty/serial driver fixes for 3.9.
The big thing here is the fix for the huge mess we caused renaming the
8250 driver accidentally in the 3.7 kernel release, without realizing
that there were users of the module options that suddenly broke. This
is now resolved, and, to top the injury off, we have a backwards-
compatible option for those users who got used to the new name since
3.7. Ugh, sorry about that.
Other than that, some other minor fixes for issues that have been
reported by users."
* tag 'tty-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Xilinx: ARM: UART: clear pending irqs before enabling irqs
TTY: 8250, deprecated 8250_core.* options
TTY: 8250, revert module name change
serial: 8250_pci: Add WCH CH352 quirk to avoid Xscale detection
tty: atmel_serial_probe(): index of atmel_ports[] fix
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg Kroah-Hartman:
"Here are two tiny staging driver fixes to resolve issues that have
been reported."
* tag 'staging-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: comedi: s626: fix continuous acquisition
staging: zcache: fix typo "64_BIT"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull sysfs fixes from Greg Kroah-Hartman:
"Here are two fixes for sysfs that resolve issues that have been found
by the Trinity fuzz tool, causing oopses in sysfs. They both have
been in linux-next for a while to ensure that they do not cause any
other problems."
* tag 'driver-core-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
sysfs: handle failure path correctly for readdir()
sysfs: fix race between readdir and lseek
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg Kroah-Hartman:
"Here are some small char/misc driver fixes that resolve issues
recently reported against the 3.9-rc kernels. All have been in
linux-next for a while."
* tag 'char-misc-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
VMCI: Fix process-to-process DRGAMs.
mei: ME hardware reset needs to be synchronized
mei: add mei_stop function to stop mei device
extcon: max77693: Initialize register of MUIC device to bring up it without platform data
extcon: max77693: Fix bug of wrong pointer when platform data is not used
extcon: max8997: Check the pointer of platform data to protect null pointer error
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael J Wysocki:
- Fix for a recent cpufreq regression related to acpi-cpufreq and
suspend/resume from Viresh Kumar.
- cpufreq stats reference counting fix from Viresh Kumar.
- intel_pstate driver fixes from Dirk Brandewie and Konrad Rzeszutek
Wilk.
- New ACPI suspend blacklist entry for Sony Vaio VGN-FW21M from Fabio
Valentini.
- ACPI Platform Error Interface (APEI) fix from Chen Gong.
- PCI root bridge hotplug locking fix from Yinghai Lu.
* tag 'pm+acpi-3.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PCI / ACPI: hold acpi_scan_lock during root bus hotplug
ACPI / APEI: fix error status check condition for CPER
ACPI / PM: fix suspend and resume on Sony Vaio VGN-FW21M
cpufreq: acpi-cpufreq: Don't set policy->related_cpus from .init()
cpufreq: stats: do cpufreq_cpu_put() corresponding to cpufreq_cpu_get()
intel-pstate: Use #defines instead of hard-coded values.
cpufreq / intel_pstate: Fix calculation of current frequency
cpufreq / intel_pstate: Add function to check that all MSRs are valid
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Pull crypto fixes from Herbert Xu:
"This removes IPsec ESN support from the talitos/caam drivers since
they were implemented incorrectly, causing interoperability problems
if ESN is used with them."
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
Revert "crypto: caam - add IPsec ESN support"
Revert "crypto: talitos - add IPsec ESN support"
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull arm64 fix from Catalin Marinas:
"Fix IS_ENABLED() usage typo (missing CONFIG_ prefix)."
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
ARM64: early_printk: Fix check for CONFIG_ARM64_64K_PAGES
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Pull fbdev fixes from Tomi Valkeinen:
"Since Florian is still away/inactive, I volunteered to collect fbdev
fixes for 3.9 and changes for 3.10. I didn't receive any other fbdev
fixes than OMAP yet, but I didn't want to delay this further as
there's a compilation fix for OMAP1. So there could be still some
fbdev fixes on the way a bit later.
This contains:
- Fix OMAP1 compilation
- OMAP display fixes"
* tag 'fbdev-fixes-3.9-rc4' of git://gitorious.org/linux-omap-dss2/linux:
omapdss: features: fix supported outputs for OMAP4
OMAPDSS: tpo-td043 panel: fix data passing between SPI/DSS parts
omapfb: fix broken build on OMAP1
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
Pull userns fixes from Eric W Biederman:
"The bulk of the changes are fixing the worst consequences of the user
namespace design oversight in not considering what happens when one
namespace starts off as a clone of another namespace, as happens with
the mount namespace.
The rest of the changes are just plain bug fixes.
Many thanks to Andy Lutomirski for pointing out many of these issues."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
userns: Restrict when proc and sysfs can be mounted
ipc: Restrict mounting the mqueue filesystem
vfs: Carefully propogate mounts across user namespaces
vfs: Add a mount flag to lock read only bind mounts
userns: Don't allow creation if the user is chrooted
yama: Better permission check for ptraceme
pid: Handle the exit of a multi-threaded init.
scm: Require CAP_SYS_ADMIN over the current pidns to spoof pids.
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It enhances the driver for FTDI-based USB serial adapters
to recognize Mitsubishi Electric Corp. USB/RS422 Converters
as FT232BM chips and support them.
https://search.meau.com/?q=FX-USB-AW
Signed-off-by: Konstantin Holoborodko <klh.kernel@gmail.com>
Tested-by: Konstantin Holoborodko <klh.kernel@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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