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Some sdio wifi modules have not been working reliable with the sunxi-mmc
host code. This turns out to be caused by starting new io-rw commands while
the card signals that it is still busy processing a previous command.
This commit adds card-busy detection to the sunxi-mmc driver which together
with recent core changes to check card-busy before starting io-rw commands
fixes the wifi reliability issues on the Cubietruck and other sunxi boards
using sdio wifi.
Reported-by: Eugene K <sigintmailru@gmail.com>
Suggested-by: Eugene K <sigintmailru@gmail.com>
Cc: Eugene K <sigintmailru@gmail.com>
Cc: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Some sdio wifi chips will not work properly if we try to start new
sdio-rw requests while the device is signalling that it is busy.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add a helper function to check if an opcode is a sd-io-rw-* opcode.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Certain eMMC devices allow vendor specific device information to be read
via a sequence of vendor commands. These vendor commands must be issued
in sequence and an atomic fashion. One way to support this would be to
add an ioctl function for sending a sequence of commands to the device
atomically as proposed here. These multi commands are simple array of
the existing mmc_ioc_cmd structure.
The structure passed via the ioctl uses a __u64 type to specify the number
of commands (so that the structure is aligned on a 64-bit boundary) and a
zero length array as a header for list of commands to be issued. The
maximum number of commands that can be sent is determined by
MMC_IOC_MAX_CMDS (which defaults to 255 and should be more than
sufficient).
This based upon work by Seshagiri Holi <sholi@nvidia.com>.
Signed-off-by: Seshagiri Holi <sholi@nvidia.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Enable interrupt mode to detect card instead of polling mode for
ls1021a by removing the quirk SDHCI_QUIRK_BROKEN_CARD_DETECTION.
This could improve data transferring performance and avoid the call
trace caused by polling card status sometime.
Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The simple power sequence provider sets a value for multiple GPIOs in one
go so it is better to use the API already provided by the GPIO descriptor
API instead of open coding the same logic.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Add MMC_CAP_RUNTIME_RESUME support to save resume time
Drop unnecessary SDC_ARG write
Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This patch add ios->drv_type for mmc_ios_show to show the
card's driver type.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Use of_property_read_u32 instead of of_get_property with return value
checks and endianness conversion.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Drivers needs to export the OF id table and this be built into
the module or udev won't have the necessary information to autoload
the driver module when the device is registered via OF.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The goto is correct and the unreachable "return -EINVAL" should be
removed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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sdhci_init() will clear all irqs and set the needed irqs. So
logically sdhci_init() should be called before request irq.
If not, some irqs may be triggled and handled wrongly. Take
the following into consideration, after request irq, if
SDIO card interrupt enabled, a sd card in the sd slot will
trigger a mass of interrupt(SDHCI_INT_CARD_INT), because at
this time, the vmmc-regulator still not restore, no voltage
supply for the sd card, so the pin of data0~data3 change and
keep low, interrupt(SDHCI_INT_CARD_INT) will rise up ceaselessly.
Due to we already reguest irq, system will be busy in handling
this endless irq, can't response to other event.
So we should call sdhci_init() before request irq in sd resume.
Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The driver prints if the data width is 8-bit but it's using a
binary OR instead of a binary AND so it will always report as
"is_8bit=Y" regardless of the flags in host->mmc->caps.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Reviewed-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The gpiod_get() function expands to gpiod_get_index() with index 0
so it's better to use it since is easier to read and more concise.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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As there are no users of the __mmc_switch() API, except for the mmc core
itself, let's convert it from an exported function into an internal.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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They aren't needed and are just creating null statements so remove it.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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It's not needed an is just creating a null statement, so remove it.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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As mmc_claim_host() invokes pm_runtime_get_sync() for the mmc host device,
it's important that the host is kept claimed for *all* accesses to it via
the host_ops callbacks.
In some code paths for SDIO, particularly related to the PM support,
mmc_power_off|up() is invoked without keeping the host claimed. Let's fix
these.
Moreover, mmc_start|stop_host() also invokes mmc_power_off|up() without
claiming the host, let's fix these as well.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kishon Vijay Abraham I <kishon@ti.com>
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Add an entry to the sdhci_acpi_uids list to detect the SD card
reader on the Asus X205Ta laptop.
dstd table:
Device (SDHC)
{
Name (_ADR, Zero) // _ADR: Address
Name (_HID, "PNP0FFF") // _HID: Hardware ID
Name (_CID, "PNP0D40" /* SDA Standard Compliant SD Host Controller */)
Name (_DDN, "Intel(R) SD Card Controller - 80860F16") // _DDN: DOS Dev
Name (_UID, 0x03) // _UID: Unique ID
Name (RDEP, Package (0x02)
Signed-off-by: Michele Curti <michele.curti@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are three xhci driver fixes for reported issues for 4.3-rc7
All have been in linux-next for a while with no problems"
* tag 'usb-4.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
xhci: Add spurious wakeup quirk for LynxPoint-LP controllers
xhci: handle no ping response error properly
xhci: don't finish a TD if we get a short transfer event mid TD
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are two fixes that resolve reported issues, one with the 8250
driver, and the other with the generic fbcon driver.
Both have been in linux-next for a while"
* tag 'tty-4.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
fbcon: initialize blink interval before calling fb_set_par
Revert "serial: 8250_dma: don't bother DMA with small transfers"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are four iio driver fixes for 4.3-rc7, fixing some reported
issues. All of these have been in linux-next for a while"
* tag 'staging-4.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: mxs-lradc: Fix temperature offset
iio: accel: sca3000: memory corruption in sca3000_read_first_n_hw_rb()
iio: st_accel: fix interrupt handling on LIS3LV02
iio: adc: twl4030: Fix ADC[3:6] readings
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull infiniband fixes from Doug Ledford:
"It's late in the game, I know, but these fixes seemed important enough
to warrant a late pull request. They all involve oopses or use after
frees or corruptions.
Six serious fixes:
- Hold the mutex around the find and corresponding update of our gid
- The ifa list is rcu protected, copy its contents under rcu to avoid
using a freed structure
- On error, netdev might be null, so check it before trying to
release it
- On init, if workqueue alloc fails, fail init
- The new demux patches exposed a bug in mlx5 and ipath drivers, we
need to use the payload P_Key to determine the P_Key the packet
arrived on because the hardware doesn't tell us the truth
- Due to a couple convoluted error flows, it is possible for the CM
to trigger a use_after_free and a double_free of rb nodes. Add two
checks to prevent that. This code has worked for 10+ years. It is
likely that some of the recent changes have caused this issue to
surface. The current patch will protect us from nasty events for
now while we track down why this is just now showing up"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/cm: Fix rb-tree duplicate free and use-after-free
IB/cma: Use inner P_Key to determine netdev
IB/ucma: check workqueue allocation before usage
IB/cma: Potential NULL dereference in cma_id_from_event
IB/core: Fix use after free of ifa
IB/core: Fix memory corruption in ib_cache_gid_set_default_gid
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
"Three stable fixes (two in btree code used by DM thinp and one to
properly store flags in DM cache metadata's superblock)"
* tag 'dm-4.3-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm cache: the CLEAN_SHUTDOWN flag was not being set
dm btree: fix leak of bufio-backed block in btree_split_beneath error path
dm btree remove: fix a bug when rebalancing nodes after removal
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Pull block layer fixes from Jens Axboe:
"A final set of fixes for 4.3.
It is (again) bigger than I would have liked, but it's all been
through the testing mill and has been carefully reviewed by multiple
parties. Each fix is either a regression fix for this cycle, or is
marked stable. You can scold me at KS. The pull request contains:
- Three simple fixes for NVMe, fixing regressions since 4.3. From
Arnd, Christoph, and Keith.
- A single xen-blkfront fix from Cathy, fixing a NULL dereference if
an error is returned through the staste change callback.
- Fixup for some bad/sloppy code in nbd that got introduced earlier
in this cycle. From Markus Pargmann.
- A blk-mq tagset use-after-free fix from Junichi.
- A backing device lifetime fix from Tejun, fixing a crash.
- And finally, a set of regression/stable fixes for cgroup writeback
from Tejun"
* 'for-linus' of git://git.kernel.dk/linux-block:
writeback: remove broken rbtree_postorder_for_each_entry_safe() usage in cgwb_bdi_destroy()
NVMe: Fix memory leak on retried commands
block: don't release bdi while request_queue has live references
nvme: use an integer value to Linux errno values
blk-mq: fix use-after-free in blk_mq_free_tag_set()
nvme: fix 32-bit build warning
writeback: fix incorrect calculation of available memory for memcg domains
writeback: memcg dirty_throttle_control should be initialized with wb->memcg_completions
writeback: bdi_writeback iteration must not skip dying ones
writeback: fix bdi_writeback iteration in wakeup_dirtytime_writeback()
writeback: laptop_mode_timer_fn() needs rcu_read_lock() around bdi_writeback iteration
nbd: Add locking for tasks
xen-blkfront: check for null drvdata in blkback_changed (XenbusStateClosing)
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fixes from Sage Weil:
"Two fixes.
One is a stopgap to prevent a stack blowout when users have a deep
chain of image clones. (We'll rewrite this code to be non-recursive
for the next window, but in the meantime this is a simple fix that
avoids a crash.)
The second fixes a refcount underflow"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
rbd: prevent kernel stack blow up on rbd map
rbd: don't leak parent_spec in rbd_dev_probe_parent()
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"I have two more small fixes this week:
Qu's fix avoids unneeded COW during fallocate, and Christian found a
memory leak in the error handling of an earlier fix"
* 'for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: fix possible leak in btrfs_ioctl_balance()
btrfs: Avoid truncate tailing page if fallocate range doesn't exceed inode size
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If the CLEAN_SHUTDOWN flag is not set when a cache is loaded then all cache
blocks are marked as dirty and a full writeback occurs.
__commit_transaction() is responsible for setting/clearing
CLEAN_SHUTDOWN (based the flags_mutator that is passed in).
Fix this issue, of the cache's on-disk flags being wrong, by making sure
__commit_transaction() does not reset the flags after the mutator has
altered the flags in preparation for them being serialized to disk.
before:
sb_flags = mutator(le32_to_cpu(disk_super->flags));
disk_super->flags = cpu_to_le32(sb_flags);
disk_super->flags = cpu_to_le32(cmd->flags);
after:
disk_super->flags = cpu_to_le32(cmd->flags);
sb_flags = mutator(le32_to_cpu(disk_super->flags));
disk_super->flags = cpu_to_le32(sb_flags);
Reported-by: Bogdan Vasiliev <bogdan.vasiliev@gmail.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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btree_split_beneath()'s error path had an outstanding FIXME that speaks
directly to the potential for _not_ cleaning up a previously allocated
bufio-backed block.
Fix this by releasing the previously allocated bufio block using
unlock_block().
Reported-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <thornber@redhat.com>
Cc: stable@vger.kernel.org
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Commit 4c7e309340ff ("dm btree remove: fix bug in redistribute3") wasn't
a complete fix for redistribute3().
The redistribute3 function takes 3 btree nodes and shares out the entries
evenly between them. If the three nodes in total contained
(MAX_ENTRIES * 3) - 1 entries between them then this was erroneously getting
rebalanced as (MAX_ENTRIES - 1) on the left and right, and (MAX_ENTRIES + 1) in
the center.
Fix this issue by being more careful about calculating the target number
of entries for the left and right nodes.
Unit tested in userspace using this program:
https://github.com/jthornber/redistribute3-test/blob/master/redistribute3_t.c
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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Mapping an image with a long parent chain (e.g. image foo, whose parent
is bar, whose parent is baz, etc) currently leads to a kernel stack
overflow, due to the following recursion in the reply path:
rbd_osd_req_callback()
rbd_obj_request_complete()
rbd_img_obj_callback()
rbd_img_parent_read_callback()
rbd_obj_request_complete()
...
Limit the parent chain to 16 images, which is ~5K worth of stack. When
the above recursion is eliminated, this limit can be lifted.
Fixes: http://tracker.ceph.com/issues/12538
Cc: stable@vger.kernel.org # 3.10+, needs backporting for < 4.2
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Josh Durgin <jdurgin@redhat.com>
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Currently we leak parent_spec and trigger a "parent reference
underflow" warning if rbd_dev_create() in rbd_dev_probe_parent() fails.
The problem is we take the !parent out_err branch and that only drops
refcounts; parent_spec that would've been freed had we called
rbd_dev_unparent() remains and triggers rbd_warn() in
rbd_dev_parent_put() - at that point we have parent_spec != NULL and
parent_ref == 0, so counter ends up being -1 after the decrement.
Redo rbd_dev_probe_parent() to fix this.
Cc: stable@vger.kernel.org # 3.10+, needs backporting for < 4.2
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Alex Elder <elder@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes: two KASAN fixes, two EFI boot fixes, two boot-delay
optimization fixes, and a fix for a IRQ handling hang observed on
virtual platforms"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm, kasan: Silence KASAN warnings in get_wchan()
compiler, atomics, kasan: Provide READ_ONCE_NOCHECK()
x86, kasan: Fix build failure on KASAN=y && KMEMCHECK=y kernels
x86/smpboot: Fix CPU #1 boot timeout
x86/smpboot: Fix cpu_init_udelay=10000 corner case boot parameter misbehavior
x86/ioapic: Disable interrupts when re-routing legacy IRQs
x86/setup: Extend low identity map to cover whole kernel range
x86/efi: Fix multiple GOP device support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Misc fixes all around the map: an instrumentation fix, a nohz
usability fix, a lockdep annotation fix and two task group scheduling
fixes"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/core: Add missing lockdep_unpin() annotations
sched/deadline: Fix migration of SCHED_DEADLINE tasks
nohz: Revert "nohz: Set isolcpus when nohz_full is set"
sched/fair: Update task group's load_avg after task migration
sched/fair: Fix overly small weight for interactive group entities
sched, tracing: Stop/start critical timings around the idle=poll idle loop
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Merge fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
ocfs2/dlm: unlock lockres spinlock before dlm_lockres_put
fault-inject: fix inverted interval/probability values in printk
lib/Kconfig.debug: disable -Wframe-larger-than warnings with KASAN=y
mm: make sendfile(2) killable
thp: use is_zero_pfn() only after pte_present() check
mailmap: update Javier Martinez Canillas' email
MAINTAINERS: add Sergey as zsmalloc reviewer
mm: cma: fix incorrect type conversion for size during dma allocation
kmod: don't run async usermode helper as a child of kworker thread
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Luca and Wanpeng reported two missing annotations that led to
false lockdep complaints. Add the missing annotations.
Reported-by: Luca Abeni <luca.abeni@unitn.it>
Reported-by: Wanpeng Li <wanpeng.li@hotmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: cbce1a686700 ("sched,lockdep: Employ lock pinning")
Link: http://lkml.kernel.org/r/20151023095008.GY17308@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Revert "Use the POWER8 Micro Partition Prefetch Engine in KVM HV on
POWER8" from Paul
- Handle irq_happened flag correctly in off-line loop from Paul
- Validate rtas.entry before calling enter_rtas() from Vasant
* tag 'powerpc-4.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/rtas: Validate rtas.entry before calling enter_rtas()
powerpc/powernv: Handle irq_happened flag correctly in off-line loop
powerpc: Revert "Use the POWER8 Micro Partition Prefetch Engine in KVM HV on POWER8"
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Most of the changes this time are for incorrect device nodes in
various ways, on on imx, berlin, exynos, ux500, uniphier, omap and
meson.
Chen-Yu Tsai now co-maintains mach-sunxi (Allwinner).
Other bug fixes include
- a partial revert of a broken tegra gpio patch
- irq affinity for arm ccn
- suspend on one Armada 385 machine
- enable ZONE_DMA to avoid an OMAP crash for over 2GB RAM
- turning on a regulator on beagleboard-x15 for HDMI
- making the omap gpmc debug code visible
- setup of orion network switch
- a rare build regression for pxa"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
ARM: OMAP2+: Fix imprecise external abort caused by bogus SRAM init
thermal: exynos: Fix register read in TMU
ARM: OMAP2+: Fix oops with LPAE and more than 2GB of memory
ARM: tegra: Comment out gpio-ranges properties
ARM: dts: uniphier: fix IRQ number for devices on PH1-LD6b ref board
drivers/perf: arm_pmu: avoid CPU device_node reference leak
bus: arm-ccn: Fix irq affinity setting on CPU migration
bus: arm-ccn: Handle correctly no-more-cpus case
ARM: mvebu: correct a385-db-ap compatible string
ARM: meson6: DTS: Fix wrong reg mapping and IRQ numbers
MAINTAINERS: Update Allwinner entry and add new maintainer
ARM: ux500: modify initial levelshifter status
ARM: pxa: fix pxa3xx DFI lockup hack
Documentation: ARM: List new omap MMC requirements
memory: omap-gpmc: dump "before" state before first modification
memory: omap-gpmc: Fix unselectable debug option for GPMC
ARM: dts: am57xx-beagle-x15: set VDD_SD to always-on
ARM: dts: Fix audio card detection on Peach boards
ARM: EXYNOS: Fix double of_node_put() when parsing child power domains
ARM: orion: Fix DSA platform device after mvmdio conversion
...
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Pull KVM bugfixes from Paolo Bonzini:
"Bug fixes for ARM, mostly 4.3 regressions related to virtual interrupt
controller changes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
arm/arm64: KVM: Fix disabled distributor operation
arm/arm64: KVM: Clear map->active on pend/active clear
arm/arm64: KVM: Fix arch timer behavior for disabled interrupts
KVM: arm: use GIC support unconditionally
KVM: arm/arm64: Fix memory leak if timer initialization fails
KVM: arm/arm64: Do not inject spurious interrupts
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Running tests on other changes, the system locked up due to lots of
warnings. It was caused by the stack tracer triggering a warning
about using rcu_dereference() when RCU was not watching. This can
happen due to the fact that the stack tracer uses the function tracer
to check each function, and there are functions that may be called and
traced when RCU stopped watching. Namely when a function is called
just before going idle or to userspace and after RCU stopped watching
that current CPU.
The first patch makes sure that RCU is watching when the stack tracer
uses RCU. The second patch is to make sure that the stack tracer does
not get called by functions in NMI, as it's not NMI safe"
* tag 'trace-fixes-v4.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Do not allow stack_tracer to record stack in NMI
tracing: Have stack tracer force RCU to be watching
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"There is nothing to worry you much, only a few small & stable patches
are found for usual stuff, HD-audio (a Lenovo laptop quirk, a fix for
minor error handling) and ASoC (trivial fixes for RT298 and WM
codecs).
The only remaining major change is the fix for ASoC SX_TLV control
that was overseen during refactoring, but the fix itself is trivial
and safe"
* tag 'sound-4.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ASoC: wm8962: mark cache_dirty flag after software reset in pm_resume
ASoC: rt298: fix wrong setting of gpio2_en
ASoC: wm8904: Correct number of EQ registers
ALSA: hda - Fix deadlock at error in building PCM
ASoC: Add info callback for SX_TLV controls
ASoC: rt298: correct index default value
ALSA: hda - Fix inverted internal mic on Lenovo G50-80
ALSA: hdac: Explicitly add io.h
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Some regression fixes and potential security issues:
- netup_unidvb: fix potential crash when spi is NULL
- rtl28xxu: fix control message flaws
- m88ds3103: fix a regression on Kernel 4.2
- c8sectpfe: fix some issues on this new driver
- v4l2-flash-led-class: fix a Kbuild dependency
- si2157 and si2158: check for array boundary when uploading firmware
files
- horus3a and lnbh25: fix some building troubles when some options
aren't selected
- ir-hix5hd2: drop the use of IRQF_NO_SUSPEND"
* tag 'media/v4.3-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] m88ds3103: use own reg update_bits() implementation
[media] rtl28xxu: fix control message flaws
[media] v4l2-flash-led-class: Add missing VIDEO_V4L2 Kconfig dependency
[media] netup_unidvb: fix potential crash when spi is NULL
[media] si2168: Bounds check firmware
[media] si2157: Bounds check firmware
[media] ir-hix5hd2: drop the use of IRQF_NO_SUSPEND
[media] c8sectpfe: fix return of garbage
[media] c8sectpfe: fix ininitialized error return on firmware load failure
[media] lnbh25: Fix lnbh25_attach() function return type
[media] horus3a: Fix horus3a_attach() function parameters
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Pull drm fixes from Dave Airlie:
"I've been a bit slow gathering these:
- drm/mst: one mutex leak in a fail path
- radeon: two oops fixes, one dpm fix
- i915: one messy set of fixes, where we revert the original fix, and
pull back the proper set of fixes from -next on top.
- nouveau: one fix for an illegal buffer placement.
Doesn't look too bad, hopefully shouldn't be too much more"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau/gem: return only valid domain when there's only one
drm: fix mutex leak in drm_dp_get_mst_branch_device
drm/amdgpu: add missing dpm check for KV dpm late init
drm/amdgpu/dpm: don't add pwm attributes if DPM is disabled
drm/radeon/dpm: don't add pwm attributes if DPM is disabled
drm/i915: Add primary plane to mask if it's visible
drm/i915: Move sprite/cursor plane disable to intel_sanitize_crtc()
drm/i915: Assign hwmode after encoder state readout
Revert "drm/i915: Add primary plane to mask if it's visible"
drm/i915: Deny wrapping an userptr into a framebuffer
drm/i915: Enable DPLL VGA mode before P1/P2 divider write
drm/i915: Restore lost DPLL register write on gen2-4
drm/i915: Flush pipecontrol post-sync writes
drm/i915: Fix kerneldoc for i915_gem_shrink_all
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dlm_lockres_put will call dlm_lockres_release if it is the last
reference, and then it may call dlm_print_one_lock_resource and
take lockres spinlock.
So unlock lockres spinlock before dlm_lockres_put to avoid deadlock.
Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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interval displays the probability and vice versa.
Fixes: 6adc4a22f20bb ("fault-inject: add ratelimit option")
Acked-by: Akinobu Mita <akinobu.mita@gmail.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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When the kernel compiled with KASAN=y, GCC adds redzones for each
variable on stack. This enlarges function's stack frame and causes:
'warning: the frame size of X bytes is larger than Y bytes'
The worst case I've seen for now is following:
../net/wireless/nl80211.c: In function `nl80211_send_wiphy':
../net/wireless/nl80211.c:1731:1: warning: the frame size of 5448 bytes is larger than 2048 bytes [-Wframe-larger-than=]
That kind of warning becomes useless with KASAN=y. It doesn't
necessarily indicate that there is some problem in the code, thus we
should turn it off.
(The KASAN=y stack size in increased from 16k to 32k for this reason)
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Abylay Ospan <aospan@netup.ru>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: Kozlov Sergey <serjk@netup.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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