Commit Graph

984366 Commits

Author SHA1 Message Date
Linus Torvalds
ec6f5e0e5c A set of x86 and membarrier fixes:
- Correct a few problems in the x86 and the generic membarrier
     implementation. Small corrections for assumptions about visibility
     which have turned out not to be true.
 
   - Make the PAT bits for memory encryption correct vs. 4K and 2M/1G page
     table entries as they are at a different location.
 
   - Fix a concurrency issue in the the local bandwidth readout of resource
     control leading to incorrect values
 
   - Fix the ordering of allocating a vector for an interrupt. The order
     missed to respect the provided cpumask when the first attempt of
     allocating node local in the mask fails. It then tries the node instead
     of trying the full provided mask first. This leads to erroneous error
     messages and breaking the (user) supplied affinity request. Reorder it.
 
   - Make the INT3 padding detection in optprobe work correctly.
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Merge tag 'x86-urgent-2020-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:
 "A set of x86 and membarrier fixes:

   - Correct a few problems in the x86 and the generic membarrier
     implementation. Small corrections for assumptions about visibility
     which have turned out not to be true.

   - Make the PAT bits for memory encryption correct vs 4K and 2M/1G
     page table entries as they are at a different location.

   - Fix a concurrency issue in the the local bandwidth readout of
     resource control leading to incorrect values

   - Fix the ordering of allocating a vector for an interrupt. The order
     missed to respect the provided cpumask when the first attempt of
     allocating node local in the mask fails. It then tries the node
     instead of trying the full provided mask first. This leads to
     erroneous error messages and breaking the (user) supplied affinity
     request. Reorder it.

   - Make the INT3 padding detection in optprobe work correctly"

* tag 'x86-urgent-2020-12-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/kprobes: Fix optprobe to detect INT3 padding correctly
  x86/apic/vector: Fix ordering in vector assignment
  x86/resctrl: Fix incorrect local bandwidth when mba_sc is enabled
  x86/mm/mem_encrypt: Fix definition of PMD_FLAGS_DEC_WP
  membarrier: Execute SYNC_CORE on the calling thread
  membarrier: Explicitly sync remote cores when SYNC_CORE is requested
  membarrier: Add an actual barrier before rseq_preempt()
  x86/membarrier: Get rid of a dubious optimization
2020-12-13 11:31:19 -08:00
Linus Torvalds
d2360a398f block-5.10-2020-12-12
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Merge tag 'block-5.10-2020-12-12' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "This should be it for 5.10.

  Mike and Song looked into the warning case, and thankfully it appears
  the fix was pretty trivial - we can just change the md device chunk
  type to unsigned int to get rid of it. They cannot currently be < 0,
  and nobody is checking for that either.

  We're reverting the discard changes as the corruption reports came in
  very late, and there's just no time to attempt to deal with it at this
  point. Reverting the changes in question is the right call for 5.10"

* tag 'block-5.10-2020-12-12' of git://git.kernel.dk/linux-block:
  md: change mddev 'chunk_sectors' from int to unsigned
  Revert "md: add md_submit_discard_bio() for submitting discard bio"
  Revert "md/raid10: extend r10bio devs to raid disks"
  Revert "md/raid10: pull codes that wait for blocked dev into one function"
  Revert "md/raid10: improve raid10 discard request"
  Revert "md/raid10: improve discard request for far layout"
  Revert "dm raid: remove unnecessary discard limits for raid10"
2020-12-13 10:36:23 -08:00
Enrico Weigelt, metux IT consult
89c866f5a2 watchdog: iTCO_wdt: use module_platform_device() macro
Reducing init boilerplate by using the module_platform_device macro.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201117152214.32244-1-info@metux.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:43 +01:00
Wang Wensheng
6f733cb2e7 watchdog: Fix potential dereferencing of null pointer
A reboot notifier, which stops the WDT by calling the stop hook without
any check, would be registered when we set WDOG_STOP_ON_REBOOT flag.

Howerer we allow the WDT driver to omit the stop hook since commit
"d0684c8a93549" ("watchdog: Make stop function optional") and provide
a module parameter for user that controls the WDOG_STOP_ON_REBOOT flag
in commit 9232c80659 ("watchdog: Add stop_on_reboot parameter to
control reboot policy"). Together that commits make user potential to
insert a watchdog driver that don't provide a stop hook but with the
stop_on_reboot parameter set, then dereferencing of null pointer occurs
on system reboot.

Check the stop hook before registering the reboot notifier to fix the
issue.

Fixes: d0684c8a93 ("watchdog: Make stop function optional")
Signed-off-by: Wang Wensheng <wangwensheng4@huawei.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201109130512.28121-1-wangwensheng4@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:43 +01:00
Wong Vee Khee
24f98562bb watchdog: wdat_wdt: Fix missing kerneldoc reported by W=1
Fix the following warning while compiling with W=1.

drivers/watchdog/wdat_wdt.c:48: warning: Function parameter or member 'instructions' not described in 'wdat_wdt'

Signed-off-by: Wong Vee Khee <vee.khee.wong@intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201111172205.17215-1-vee.khee.wong@intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:42 +01:00
Jerry Hoemann
5674b74e52 watchdog/hpwdt: Reflect changes
Bump driver number to reflect recent changes.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/1606097320-56762-3-git-send-email-jerry.hoemann@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:42 +01:00
Jerry Hoemann
acc195bd2c watchdog/hpwdt: Disable NMI in Crash Kernel
NMIs received during the crash path are problematic as hpwdt_pretimeout
handling of the NMI would cause a reentry into kdump.

The situation is complicated in that I/O errors can be signaled as NMI
circumventing hpwdt_pretimeout's attempt to not claim NMI not associated
with either the WDT or the iLO NMI switch.  These NMI can additionally
cause a secondary NMI which cause the system to hang.

By disabling pretimeout and hpwdtimeout in crash path we both reduce
the risk of receiving an NMI and simuletaneously leave the WDT running
(if it was already in use) to allow the WDT to break the system out of
hangs by the WDT reset.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/1606097320-56762-2-git-send-email-jerry.hoemann@hpe.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:42 +01:00
Zhao Qiang
42e967f3c6 wdt: sp805: add watchdog_stop on reboot
Call watchdog_stop_on_reboot in probe func

Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201127075217.31312-1-qiang.zhao@nxp.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:41 +01:00
Rasmus Villemoes
347755d2a8 watchdog: sbc_fitpc2_wdt: add __user annotations
After a change to the put_user() macro on x86, kernel test robot has
started sending me complaints (from sparse) about passing kernel
pointers to put_user(). So add the __user annotations to the various
casts in fitpc2_wdt_ioctl(), and while in here, also make the write
method actually match the prototype of file_operations::write.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Reviewed-by: Guenter Roeck <inux@roeck-us.net>
Link: https://lore.kernel.org/r/20201025124518.31647-1-linux@rasmusvillemoes.dk
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:41 +01:00
Tom Rix
9747f12b5b watchdog: geodewdt: remove unneeded break
A break is not needed if it is preceded by a return

Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201019175342.2646-1-trix@redhat.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:41 +01:00
Zhang Qilong
8711071e97 watchdog: rti-wdt: fix reference leak in rti_wdt_probe
pm_runtime_get_sync() will increment pm usage counter even it
failed. Forgetting to call pm_runtime_put_noidle will result
in reference leak in rti_wdt_probe, so we should fix it.

Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201030154909.100023-1-zhangqilong3@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:40 +01:00
Robert Marko
8650d0f9e9 watchdog: qcom_wdt: set WDOG_HW_RUNNING bit when appropriate
If the watchdog hardware is enabled/running during boot, e.g.
due to a boot loader configuring it, we must tell the
watchdog framework about this fact so that it can ping the
watchdog until userspace opens the device and takes over
control.

Do so using the WDOG_HW_RUNNING flag that exists for exactly
that use-case.

Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201031121115.542752-1-robert.marko@sartura.hr
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:40 +01:00
Thomas Bogendoerfer
4600736f05 watchdog: remove pnx83xx driver
Commit 625326ea9c ("MIPS: Remove PNX833x alias NXP_STB22x") removed
support for PNX833x, so it's time to remove watchdog driver, too.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201106130508.103598-1-tsbogend@alpha.franken.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:40 +01:00
Etienne Carriere
7c7164f935 watchdog: stm32_iwdg: don't print an error on probe deferral
Do not print an error trace when deferring probe for clock resources.

Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Christophe Roullier <christophe.roullier@st.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201106142327.3129-2-christophe.roullier@st.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:39 +01:00
Chunyan Zhang
2a6c9c65b2 watchdog: sprd: change to use usleep_range() instead of busy loop
After changing to check busy bit for the previous loading operation instead
of the current one, for most of cases, the busy bit is not set for the
first time of read, so there's no need to check so frequently, so this
patch use usleep_range() to replace cpu_relax() to avoid busy loop.

Also this patch change the max times to 11 which would be enough, since
according to the specification, the busy bit would be set after a new
loading operation and last 2 or 3 RTC clock cycles (about 60us~92us).

Fixes: 4776034670 ("watchdog: Add Spreadtrum watchdog driver")
Original-by: Lingling Xu <ling_ling.xu@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201029023933.24548-4-zhang.lyra@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:39 +01:00
Lingling Xu
3e07d24093 watchdog: sprd: check busy bit before new loading rather than after that
As the specification described, users must check busy bit before start
a new loading operation to make sure that the previous loading is done
and the device is ready to accept a new one.

[ chunyan: Massaged changelog ]

Fixes: 4776034670 ("watchdog: Add Spreadtrum watchdog driver")
Signed-off-by: Lingling Xu <ling_ling.xu@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201029023933.24548-3-zhang.lyra@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:38 +01:00
Lingling Xu
f61a59acb4 watchdog: sprd: remove watchdog disable from resume fail path
sprd_wdt_start() would return fail if the loading operation is not completed
in a certain time, disabling watchdog for that case would probably cause
the kernel crash when kick watchdog later, that's too bad, so remove the
watchdog disable operation for the fail case to make sure other parts in
the kernel can run normally.

[ chunyan: Massaged changelog ]

Fixes: 4776034670 ("watchdog: Add Spreadtrum watchdog driver")
Signed-off-by: Lingling Xu <ling_ling.xu@unisoc.com>
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20201029023933.24548-2-zhang.lyra@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:38 +01:00
Guenter Roeck
8ae2511112 watchdog: sirfsoc: Add missing dependency on HAS_IOMEM
If HAS_IOMEM is not defined and SIRFSOC_WATCHDOG is enabled,
the build fails with the following error.

drivers/watchdog/sirfsoc_wdt.o: in function `sirfsoc_wdt_probe':
sirfsoc_wdt.c:(.text+0x112):
	undefined reference to `devm_platform_ioremap_resource'

Reported-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Fixes: da2a68b3eb ("watchdog: Enable COMPILE_TEST where possible")
Link: https://lore.kernel.org/r/20201108162550.27660-2-linux@roeck-us.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:38 +01:00
Guenter Roeck
7f6f1dfb2d watchdog: armada_37xx: Add missing dependency on HAS_IOMEM
The following kbuild warning is seen on a system without HAS_IOMEM.

WARNING: unmet direct dependencies detected for MFD_SYSCON
  Depends on [n]: HAS_IOMEM [=n]
  Selected by [y]:
  - ARMADA_37XX_WATCHDOG [=y] && WATCHDOG [=y] && (ARCH_MVEBU || COMPILE_TEST

This results in a subsequent compile error.

drivers/watchdog/armada_37xx_wdt.o: in function `armada_37xx_wdt_probe':
armada_37xx_wdt.c:(.text+0xdc): undefined reference to `devm_ioremap'

Add the missing dependency.

Reported-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Fixes: 54e3d9b518 ("watchdog: Add support for Armada 37xx CPU watchdog")
Link: https://lore.kernel.org/r/20201108162550.27660-1-linux@roeck-us.net
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
2020-12-13 16:17:37 +01:00
Vitaly Kuznetsov
d1df458cbf hv_balloon: do adjust_managed_page_count() when ballooning/un-ballooning
Unlike virtio_balloon/virtio_mem/xen balloon drivers, Hyper-V balloon driver
does not adjust managed pages count when ballooning/un-ballooning and this leads
to incorrect stats being reported, e.g. unexpected 'free' output.

Note, the calculation in post_status() seems to remain correct: ballooned out
pages are never 'available' and we manually add dm->num_pages_ballooned to
'commited'.

Suggested-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20201202161245.2406143-3-vkuznets@redhat.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
2020-12-13 15:06:10 +00:00
Vitaly Kuznetsov
7f3f227b41 hv_balloon: simplify math in alloc_balloon_pages()
'alloc_unit' in alloc_balloon_pages() is either '512' for 2M allocations or
'1' for 4k allocations. So

1 << get_order(alloc_unit << PAGE_SHIFT)

equals to 'alloc_unit' and the for loop basically sets all them offline.
Simplify the math to improve the readability.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/20201202161245.2406143-2-vkuznets@redhat.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
2020-12-13 15:06:05 +00:00
Dmitry Baryshkov
46e85af0cc driver core: platform: don't oops in platform_shutdown() on unbound devices
On shutdown the driver core calls the bus' shutdown callback also for
unbound devices. A driver's shutdown callback however is only called for
devices bound to this driver. Commit 9c30921fe7 ("driver core:
platform: use bus_type functions") changed the platform bus from driver
callbacks to bus callbacks, so the shutdown function must be prepared to
be called without a driver. Add the corresponding check in the shutdown
function.

Fixes: 9c30921fe7 ("driver core: platform: use bus_type functions")
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20201212235533.247537-1-dmitry.baryshkov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-12-13 16:03:42 +01:00
Ingo Molnar
3cabca87b3 ntp: Fix prototype in the !CONFIG_GENERIC_CMOS_UPDATE case
In the !CONFIG_GENERIC_CMOS_UPDATE case the update_persistent_clock64() function
gets defined as a stub in ntp.c - make the prototype in <linux/timekeeping.h>
conditional on CONFIG_GENERIC_CMOS_UPDATE as well.

Fixes: 76e87d96b3 ("ntp: Consolidate the RTC update implementation")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
2020-12-13 10:16:31 +01:00
Xie He
13458ffe0a net: x25: Remove unimplemented X.25-over-LLC code stubs
According to the X.25 documentation, there was a plan to implement
X.25-over-802.2-LLC. It never finished but left various code stubs in the
X.25 code. At this time it is unlikely that it would ever finish so it
may be better to remove those code stubs.

Also change the documentation to make it clear that this is not a ongoing
plan anymore. Change words like "will" to "could", "would", etc.

Cc: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: Xie He <xie.he.0141@gmail.com>
Link: https://lore.kernel.org/r/20201209033346.83742-1-xie.he.0141@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-12 17:15:33 -08:00
Masanari Iida
c2362519a0 power: supply: Fix a typo in warning message
This patch fix a warning messages in power_supply_sysfs.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-13 01:00:10 +01:00
Michael Klein
d6e33fc89e Documentation: DT: binding documentation for regulator-poweroff
Add devicetree binding documentation for regulator-poweroff driver.

Signed-off-by: Michael Klein <michael@fossekall.de>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-13 00:30:56 +01:00
Michael Klein
ec66096b76 power: reset: new driver regulator-poweroff
This driver registers a pm_power_off function to turn off the board
by force-disabling a devicetree-defined regulator.

Signed-off-by: Michael Klein <michael@fossekall.de>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-13 00:14:15 +01:00
SeongJae Park
0b9b241406 inet: frags: batch fqdir destroy works
On a few of our systems, I found frequent 'unshare(CLONE_NEWNET)' calls
make the number of active slab objects including 'sock_inode_cache' type
rapidly and continuously increase.  As a result, memory pressure occurs.

In more detail, I made an artificial reproducer that resembles the
workload that we found the problem and reproduce the problem faster.  It
merely repeats 'unshare(CLONE_NEWNET)' 50,000 times in a loop.  It takes
about 2 minutes.  On 40 CPU cores / 70GB DRAM machine, the available
memory continuously reduced in a fast speed (about 120MB per second,
15GB in total within the 2 minutes).  Note that the issue don't
reproduce on every machine.  On my 6 CPU cores machine, the problem
didn't reproduce.

'cleanup_net()' and 'fqdir_work_fn()' are functions that deallocate the
relevant memory objects.  They are asynchronously invoked by the work
queues and internally use 'rcu_barrier()' to ensure safe destructions.
'cleanup_net()' works in a batched maneer in a single thread worker,
while 'fqdir_work_fn()' works for each 'fqdir_exit()' call in the
'system_wq'.  Therefore, 'fqdir_work_fn()' called frequently under the
workload and made the contention for 'rcu_barrier()' high.  In more
detail, the global mutex, 'rcu_state.barrier_mutex' became the
bottleneck.

This commit avoids such contention by doing the 'rcu_barrier()' and
subsequent lightweight works in a batched manner, as similar to that of
'cleanup_net()'.  The fqdir hashtable destruction, which is done before
the 'rcu_barrier()', is still allowed to run in parallel for fast
processing, but this commit makes it to use a dedicated work queue
instead of the 'system_wq', to make sure that the number of threads is
bounded.

Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20201211112405.31158-1-sjpark@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-12 15:08:54 -08:00
Krzysztof Kozlowski
e0a64d1dff nfc: s3fwrn5: let core configure the interrupt trigger
If interrupt trigger is not set when requesting the interrupt, the core
will take care of reading trigger type from Devicetree.  There is no
point to do it in the driver.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201210211824.214949-1-krzk@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-12 15:02:39 -08:00
DENG Qingfang
771c890156 net: dsa: mt7530: enable MTU normalization
MT7530 has a global RX length register, so we are actually changing its
MRU.
Enable MTU normalization for this reason.

Signed-off-by: DENG Qingfang <dqfext@gmail.com>
Acked-by: Landen Chao <landen.chao@mediatek.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20201210170322.3433-1-dqfext@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-12 15:00:56 -08:00
Arnd Bergmann
062fa6b8ef Few regression fixes for omaps for v5.10
Few fixes for regression issues recently noticed by folks testing
 the current kernel:
 
 - We need to disable AES for n950 as it's not accessible because of the
   secure mode configuration and kernel fails to boot
 
 - On gta04 wlan probe exposed a bug for BUS_NOTIFY_BIND_DRIVER that has
   been around for a long time
 
 - Droid bionic exposed an issue where we configure an invalid range on
   the PMIC that adds boot time warnings
 
 Obviously these fixes can be merged whenever suitable.
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Merge tag 'omap-for-v5.10/fixes-rc6-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Few regression fixes for omaps for v5.10

Few fixes for regression issues recently noticed by folks testing
the current kernel:

- We need to disable AES for n950 as it's not accessible because of the
  secure mode configuration and kernel fails to boot

- On gta04 wlan probe exposed a bug for BUS_NOTIFY_BIND_DRIVER that has
  been around for a long time

- Droid bionic exposed an issue where we configure an invalid range on
  the PMIC that adds boot time warnings

Obviously these fixes can be merged whenever suitable.

* tag 'omap-for-v5.10/fixes-rc6-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: omap2: pmic-cpcap: fix maximum voltage to be consistent with defaults on xt875
  ARM: OMAP2+: omap_device: fix idling of devices during probe
  ARM: dts: OMAP3: disable AES on N950/N9

Link: https://lore.kernel.org/r/pull-1607674932-973902@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-12-12 22:47:39 +01:00
Linus Walleij
36f1de0d5c power: supply: ab8500: Use dev_err_probe() for IIO channels
The code obtaining the ADC channels is outdated: it is
trying to work around the IIO subsystem not returning
the right -EPROBE_DEFER error code. Fix this up
by using the dev_err_probe() helper so we defer silently
where appropriate and not bail out if the IIO core
returns -EPROBE_DEFER as happens now.

Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-12 22:11:18 +01:00
Linus Walleij
807042539d power: supply: ab8500_fg: Request all IRQs as threaded
Since these IRQs are cascaded from a nested IRQ, the
generic IRQ system detects this and refuse to deliver
a fastpath IRQ in response to request_irq():

  nested = irq_settings_is_nested_thread(desc);
  if (nested) {
          if (!new->thread_fn) {
                  ret = -EINVAL;
                  goto out_mput;
          }
   (...)

Threaded IRQs work just as well so let's just request
threaded IRQs. One of the IRQs are alread requested
as threaded anyways.

Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-12 22:08:27 +01:00
Linus Walleij
532b623f3c power: supply: ab8500_charger: Oneshot threaded IRQs
Make sure the threaded IRQs requested by the charger are
flagged as "oneshot". Usually this is what you want, and
since the interrupts are shared with the USB phy on the
AB8500 we will get a conflict like this if we don't,
since the phy request them threaded oneshot:

genirq: Flags mismatch irq 83. 00004084 (USB_LINK_STATUS
  vs. 00006084 (usb-link-status)
ab8500-charger ab8500-charger.0: failed to request
  USB_LINK_STATUS IRQ 83: -16

Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-12 22:07:45 +01:00
Linus Walleij
f8efa0a881 power: supply: ab8500: Convert to dev_pm_ops
Switch over to using generic dev_pm_ops since these
drivers aren't even using the special power state passed
to the legacy call.

Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-12 22:06:57 +01:00
Linus Torvalds
6bff9bb8a2 SCSI fixes on 20201212
Five small fixes: four in drivers: hisi_sas: fix internal queue
 timeout, be2iscsi: revert a prior fix causing problems, bnx2i: add
 missing dependency, storvsc: late arriving revert of a problem fix,
 and one in the core.  The core one is a minor change to stop paying
 attention to the busy count when returning out of resources because
 there's a race window where the queue might not restart due to missing
 returning I/O.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Five small fixes.  Four in drivers:

   - hisi_sas: fix internal queue timeout

   - be2iscsi: revert a prior fix causing problems

   - bnx2i: add missing dependency

   - storvsc: late arriving revert of a problem fix

  and one in the core.

  The core one is a minor change to stop paying attention to the busy
  count when returning out of resources because there's a race window
  where the queue might not restart due to missing returning I/O"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  Revert "scsi: storvsc: Validate length of incoming packet in storvsc_on_channel_callback()"
  scsi: hisi_sas: Select a suitable queue for internal I/Os
  scsi: core: Fix race between handling STS_RESOURCE and completion
  scsi: be2iscsi: Revert "Fix a theoretical leak in beiscsi_create_eqs()"
  scsi: bnx2i: Requires MMU
2020-12-12 12:57:12 -08:00
Linus Torvalds
5ee595d907 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
 "Bugfix for the AT24 EEPROM driver"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  misc: eeprom: at24: fix NVMEM name with custom AT24 device name
2020-12-12 12:47:46 -08:00
Linus Walleij
ad89cb5f0a power: supply: ab8500: Use local helper
Use a local "dev" helper variable to make the probe()
code easier to read in the ab8500 subdrivers.

Drop out-of-memory messages as these should come from the
slab core.

Cc: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
2020-12-12 21:30:08 +01:00
Jakub Kicinski
e2437ac2f5 Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next
Steffen Klassert says:

====================
pull request (net-next): ipsec-next 2020-12-12

Just one patch this time:

1) Redact the SA keys with kernel lockdown confidentiality.
   If enabled, no secret keys are sent to uuserspace.
   From Antony Antony.

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next:
  xfrm: redact SA secret with lockdown confidentiality
====================

Link: https://lore.kernel.org/r/20201212085737.2101294-1-steffen.klassert@secunet.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-12 12:28:42 -08:00
Jakub Kicinski
e5795aacd7 wireless-drivers-next patches for v5.11
Second set of patches for v5.11. iwlwifi gaining support for the new 6
 GHz band and rtw88 got a new channel. Lots of new features for mt76
 and ath11k now has working suspend for PCI devices. And as always,
 smaller fixes and cleanups all over.
 
 Major changes:
 
 rtw88
 
 * add support for channel 144
 
 mt76
 
 * support for more sta interfaces on mt7615/mt7915
 
 * mt7915 encapsulation offload
 
 * performance improvements
 
 * channel noise report on mt7915
 
 * mt7915 testmode support
 
 * mt7915 DBDC support
 
 iwlwifi
 
 * support 6 GHz band
 
 ath11k
 
 * suspend support for QCA6390 PCI devices
 
 * support TXOP duration based RTS threshold
 
 * mesh: add support for 256 bitmap in blockack frames in 11ax
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Merge tag 'wireless-drivers-next-2020-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next

Kalle Valo says:

====================
wireless-drivers-next patches for v5.11

Second set of patches for v5.11. iwlwifi gaining support for the new
6 GHz band and rtw88 got a new channel. Lots of new features for mt76
and ath11k now has working suspend for PCI devices. And as always,
smaller fixes and cleanups all over.

Major changes:

rtw88
 * add support for channel 144

mt76
 * support for more sta interfaces on mt7615/mt7915
 * mt7915 encapsulation offload
 * performance improvements
 * channel noise report on mt7915
 * mt7915 testmode support
 * mt7915 DBDC support

iwlwifi
 * support 6 GHz band

ath11k
 * suspend support for QCA6390 PCI devices
 * support TXOP duration based RTS threshold
 * mesh: add support for 256 bitmap in blockack frames in 11ax

* tag 'wireless-drivers-next-2020-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next: (197 commits)
  ath11k: implement suspend for QCA6390 PCI devices
  ath11k: hif: add ce irq enable and disable functions
  ath11k: implement WoW enable and wakeup commands
  ath11k: set credit_update flag for flow controlled ep only
  ath11k: dp: stop rx pktlog before suspend
  ath11k: htc: implement suspend handling
  ath11k: htc: remove unused struct ath11k_htc_ops
  ath11k: pci: read select_window register to ensure write is finished
  ath11k: hif: implement suspend and resume functions
  ath11k: mhi: hook suspend and resume
  ath11k: Fix incorrect tlvs in scan start command
  ath11k: pci: disable VDD4BLOW
  ath11k: pci: fix L1ss clock unstable problem
  ath11k: pci: fix hot reset stability issues
  ath11k: put hw to DBS using WMI_PDEV_SET_HW_MODE_CMDID
  ath11k: mhi: print a warning if firmware crashed
  ath11k: use MHI provided APIs to allocate and free MHI controller
  ath10k: add atomic protection for device recovery
  ath10k: add option for chip-id based BDF selection
  mt76: remove unused variable q
  ...
====================

Link: https://lore.kernel.org/r/20201212050839.EF50EC433C6@smtp.codeaurora.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-12-12 11:57:28 -08:00
Zheng Yongjun
1189686e54 fs/xfs: convert comma to semicolon
Replace a comma between expression statements by a semicolon.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:49:47 -08:00
Christoph Hellwig
5d24ec4c7d xfs: open code updating i_mode in xfs_set_acl
Rather than going through the big and hairy xfs_setattr_nonsize function,
just open code a transactional i_mode and i_ctime update.  This allows
to mark xfs_setattr_nonsize and remove the flags argument to it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Gao Xiang <hsiangkao@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:49:38 -08:00
Christoph Hellwig
26f88363ec xfs: remove xfs_vn_setattr_nonsize
Merge xfs_vn_setattr_nonsize into the only caller.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Gao Xiang <hsiangkao@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:48:25 -08:00
Gao Xiang
3937493c50 xfs: kill ialloced in xfs_dialloc()
It's enough to just use return code, and get rid of an argument.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:48:25 -08:00
Dave Chinner
8d822dc38a xfs: spilt xfs_dialloc() into 2 functions
This patch explicitly separates free inode chunk allocation and
inode allocation into two individual high level operations.

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:48:25 -08:00
Dave Chinner
f3bf6e0f11 xfs: move xfs_dialloc_roll() into xfs_dialloc()
Get rid of the confusing ialloc_context and failure handling around
xfs_dialloc() by moving xfs_dialloc_roll() into xfs_dialloc().

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:48:24 -08:00
Dave Chinner
1abcf26101 xfs: move on-disk inode allocation out of xfs_ialloc()
So xfs_ialloc() will only address in-core inode allocation then,
Also, rename xfs_ialloc() to xfs_dir_ialloc_init() in order to
keep everything in xfs_inode.c under the same namespace.

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:48:24 -08:00
Dave Chinner
aececc9f8d xfs: introduce xfs_dialloc_roll()
Introduce a helper to make the on-disk inode allocation rolling
logic clearer in preparation of the following cleanup.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:48:24 -08:00
Gao Xiang
15574ebbff xfs: convert noroom, okalloc in xfs_dialloc() to bool
Boolean is preferred for such use.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2020-12-12 10:48:24 -08:00
Pablo Neira Ayuso
48b0ae046e netfilter: nftables: netlink support for several set element expressions
This patch adds three new netlink attributes to encapsulate a list of
expressions per set elements:

- NFTA_SET_EXPRESSIONS: this attribute provides the set definition in
  terms of expressions. New set elements get attached the list of
  expressions that is specified by this new netlink attribute.
- NFTA_SET_ELEM_EXPRESSIONS: this attribute allows users to restore (or
  initialize) the stateful information of set elements when adding an
  element to the set.
- NFTA_DYNSET_EXPRESSIONS: this attribute specifies the list of
  expressions that the set element gets when it is inserted from the
  packet path.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-12-12 19:20:52 +01:00