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In the current code, CONFIG_ARCH_KEEP_MEMBLOCK is not set for MIPS arch,
memblock_discard() will discard memory and reserved arrays if they were
allocated, select ARCH_KEEP_MEMBLOCK if DEBUG_KERNEL to give a chance to
track "memory" and "reserved" memblocks after early boot, with this patch,
we can see the following two sysfs interfaces under DEBUG_FS.
/sys/kernel/debug/memblock/memory
/sys/kernel/debug/memblock/reserved
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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When building mips tinyconfig with clang the following warning show up:
arch/mips/lib/uncached.c:45:6: warning: variable 'sp' is uninitialized when used here [-Wuninitialized]
if (sp >= (long)CKSEG0 && sp < (long)CKSEG2)
^~
arch/mips/lib/uncached.c:40:18: note: initialize the variable 'sp' to silence this warning
register long sp __asm__("$sp");
^
= 0
1 warning generated.
Rework to make an explicit inline move, instead of the non-standard use
of specifying registers for local variables. This is what's written
from the gcc-10 manual [1] about specifying registers for local
variables:
"6.47.5.2 Specifying Registers for Local Variables
.................................................
[...]
"The only supported use for this feature is to specify registers for
input and output operands when calling Extended 'asm' (*note Extended
Asm::). [...]".
[1] https://docs.w3cub.com/gcc~10/local-register-variables
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v5.11
There's a lot of changes here but mostly cleanups and driver specific
things, the most user visible change is the support for boot time
selection of Intel DSP firmware which will make it easier for people to
move over to the preferred modern implementations in distros and other
large scale deployments.
This also includes a merge of the new auxillary bus which was done in
anticipation of use by the Intel DSP drivers which didn't quite make it.
- Lots more cleanups and simplifications from Morimoto-san.
- Support for some basic DPCM systems in the audio graph card from
Sameer Pujar.
- Remove some old pre-DT Freescale drivers for platforms that are now
DT only.
- Move selection of which Intel DSP implementation to use to boot time
rather than requiring it to be selected at build time.
- Support for Allwinner H6 I2S, Analog Devices ADAU1372, Intel
Alderlake-S, GMediatek MT8192, NXP i.MX HDMI and XCVR, Realtek RT715,
Qualcomm SM8250 and simple GPIO based muxes.
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PicoXcell has had nothing but treewide cleanups for at least the last 8
years and no signs of activity. The most recent activity is a yocto vendor
kernel based on v3.0 in 2015.
Cc: linux-crypto@vger.kernel.org
Acked-by: Jamie Iles <jamie@jamieiles.com>
Link: https://lore.kernel.org/r/20201210200315.2965567-5-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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'pnx,timeout' is unused, undocumented and 'pnx' is not a vendor prefix,
so let's remove it.
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Cc: Sylvain Lemieux <slemieux.tyco@gmail.com>
Link: https://lore.kernel.org/r/20201210175238.2721550-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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The m_can driver's suspend and resume functions (m_can_class_suspend() and
m_can_class_resume()) make use of dev_get_drvdata() and assume that the drvdata
is a pointer to the struct net_device.
With upcoming conversion of the tcan4x5x driver to pm_runtime this assumption
is no longer valid. As the suspend and resume functions actually need a struct
m_can_classdev pointer, change the m_can_platform and the m_can_pci driver to
hold a pointer to struct m_can_classdev instead, as the tcan4x5x driver already
does.
Link: https://lore.kernel.org/r/20201212175518.139651-8-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch enhances m_can_class_allocate_dev() to allocate driver specific
private data. The driver's private data struct must contain struct
m_can_classdev as its first member followed by the remaining private data.
Link: https://lore.kernel.org/r/20201212175518.139651-7-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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With patch
| dd8088d5a896 PM: runtime: Add pm_runtime_resume_and_get to deal with usage counter
the usual pm_runtime_get_sync() and pm_runtime_put_noidle() in-case-of-error
dance is no longer needed. Convert the m_can driver to use this function.
Link: https://lore.kernel.org/r/20201212175518.139651-6-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The function m_can_config_endisable() is not used outside of the m_can driver,
so mark it as static.
Link: https://lore.kernel.org/r/20201212175518.139651-5-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch coverts the m_can driver to use cdev as name for struct
m_can_classdev uniformly throughout the whole driver.
Link: https://lore.kernel.org/r/20201212175518.139651-4-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch converts the indention in the m_can driver to kernel coding style.
Link: https://lore.kernel.org/r/20201212175518.139651-3-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Old versions of the user manual are regularly depublished, so change link to
the linux-can github page, which has a mirror off all published datasheets.
Link: https://lore.kernel.org/r/20201212175518.139651-2-mkl@pengutronix.de
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Reviewed-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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edac-updates-for-v5.11
Signed-off-by: Borislav Petkov <bp@suse.de>
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When xen_blkif_disconnect() is called, the kernel thread behind the
block interface is stopped by calling kthread_stop(ring->xenblkd).
The ring->xenblkd thread pointer being non-NULL determines if the
thread has been already stopped.
Normally, the thread's function xen_blkif_schedule() sets the
ring->xenblkd to NULL, when the thread's main loop ends.
However, when the thread has not been started yet (i.e.
wake_up_process() has not been called on it), the xen_blkif_schedule()
function would not be called yet.
In such case the kthread_stop() call returns -EINTR and the
ring->xenblkd remains dangling.
When this happens, any consecutive call to xen_blkif_disconnect (for
example in frontend_changed() callback) leads to a kernel crash in
kthread_stop() (e.g. NULL pointer dereference in exit_creds()).
This is XSA-350.
Cc: <stable@vger.kernel.org> # 4.12
Fixes: a24fa22ce22a ("xen/blkback: don't use xen_blkif_get() in xen-blkback kthread")
Reported-by: Olivier Benjamin <oliben@amazon.com>
Reported-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Signed-off-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Reviewed-by: Julien Grall <jgrall@amazon.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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'xenbus_backend' watches 'state' of devices, which is writable by
guests. Hence, if guests intensively updates it, dom0 will have lots of
pending events that exhausting memory of dom0. In other words, guests
can trigger dom0 memory pressure. This is known as XSA-349. However,
the watch callback of it, 'frontend_changed()', reads only 'state', so
doesn't need to have the pending events.
To avoid the problem, this commit disallows pending watch messages for
'xenbus_backend' using the 'will_handle()' watch callback.
This is part of XSA-349
Cc: stable@vger.kernel.org
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reported-by: Michael Kurth <mku@amazon.de>
Reported-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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This commit adds a counter of pending messages for each watch in the
struct. It is used to skip unnecessary pending messages lookup in
'unregister_xenbus_watch()'. It could also be used in 'will_handle'
callback.
This is part of XSA-349
Cc: stable@vger.kernel.org
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reported-by: Michael Kurth <mku@amazon.de>
Reported-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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This commit adds support of the 'will_handle' watch callback for
'xen_bus_type' users.
This is part of XSA-349
Cc: stable@vger.kernel.org
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reported-by: Michael Kurth <mku@amazon.de>
Reported-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Some code does not directly make 'xenbus_watch' object and call
'register_xenbus_watch()' but use 'xenbus_watch_path()' instead. This
commit adds support of 'will_handle' callback in the
'xenbus_watch_path()' and it's wrapper, 'xenbus_watch_pathfmt()'.
This is part of XSA-349
Cc: stable@vger.kernel.org
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reported-by: Michael Kurth <mku@amazon.de>
Reported-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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If handling logics of watch events are slower than the events enqueue
logic and the events can be created from the guests, the guests could
trigger memory pressure by intensively inducing the events, because it
will create a huge number of pending events that exhausting the memory.
Fortunately, some watch events could be ignored, depending on its
handler callback. For example, if the callback has interest in only one
single path, the watch wouldn't want multiple pending events. Or, some
watches could ignore events to same path.
To let such watches to volutarily help avoiding the memory pressure
situation, this commit introduces new watch callback, 'will_handle'. If
it is not NULL, it will be called for each new event just before
enqueuing it. Then, if the callback returns false, the event will be
discarded. No watch is using the callback for now, though.
This is part of XSA-349
Cc: stable@vger.kernel.org
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reported-by: Michael Kurth <mku@amazon.de>
Reported-by: Pawel Wieczorkiewicz <wipawel@amazon.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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syzbot spotted a potential out-of-bounds shift in the PCM OSS layer
where it calculates the buffer size with the arbitrary shift value
given via an ioctl.
Add a range check for avoiding the undefined behavior.
As the value can be treated by a signed integer, the max shift should
be 30.
Reported-by: syzbot+df7dc146ebdd6435eea3@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201209084552.17109-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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syzbot spotted a potential out-of-bounds shift in the USB-audio format
parser that receives the arbitrary shift value from the USB
descriptor.
Add a range check for avoiding the undefined behavior.
Reported-by: syzbot+df7dc146ebdd6435eea3@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201209084552.17109-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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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
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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"
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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>
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'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>
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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 9c30921fe799 ("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: 9c30921fe799 ("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>
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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: 76e87d96b30b5 ("ntp: Consolidate the RTC update implementation")
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
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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>
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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>
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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>
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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>
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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
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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
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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>
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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>
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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>
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This patch replaces NFT_SET_EXPR by NFT_SET_EXT_EXPRESSIONS. This new
extension allows to attach several expressions to one set element (not
only one single expression as NFT_SET_EXPR provides). This patch
prepares for support for several expressions per set element in the
netlink userspace API.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Commit 8410d38c2552 ("loop: use __register_blkdev to allocate devices on
demand") simplified loop_init(); so computing the range of the block region
is not required anymore and can be dropped.
Drop dead assignments in loop_init().
As compilers will detect these unneeded assignments and optimize this,
the resulting object code is identical before and after this change.
No functional change. No change in object code.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Delay to wait for queue running is milli second unit which is passed to
delayed work via msecs_to_jiffies() which is to convert milliseconds to
jiffies.
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Update mis-named argument description of blk_mq_map_queue(). This patch
also updates description that argument to software queue percpu context.
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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tagset->set is allocated from blk_mq_alloc_tag_set() rather than being
reallocated. This patch added a helper to make its meaning explicitly
which is to allocate rather than to reallocate.
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The in_interrupt() check in sr_init_command() is a leftover from the
past, pre v2.3.16 era to be exact. Back then the ioctl() was served by
`sr' itself and sector size changes by CDROMREADMODE2 (as noted in the
comment) were accounted within sr's data structures which allowed a
"lazy" reset so it could be skipped on the next request and reset back
to the default value once the device node was closed or before a command
from the blockqueue was issued.
This does not work like that anymore. The CDROMREADMODE2 is served by
cdrom's mmc_ioctl() function which may change the sector size but the
`sr' driver does not learn about it and so its ->sector_size is not
updated.
The ioctl() resets the changed sector size back to 2048.
sr_read_sector() also resets the sector size back to the default once it
is done.
Remove the conditional sector size update from sr_init_command() and
sr_release() because it is not needed.
Link: https://lkml.kernel.org/r/20201204164803.ovwurzs3257em2rp@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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sr_read_sector() is hardly used since v2.3.16. Its only purpose is to
check if it is a XA medium via sr_is_xa(). This check is only enabled if
the module parameter `xa_test' is enabled.
Change the sector size back to 2048 if it was changed. With this change,
there is no lazy sector size changing left.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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In v2.4.0-test2pre2 mmc_ioctl_cdrom_read_data() was extended by issuing
a MODE_SELECT opcode to change the sector size and READ_10 to perform
the actual read if the READ_CD opcode is not support.
The sector size is never changed back to the previous value of 2048
bytes which is however denoted by the comment for version 3.09 of the
cdrom.c file.
Use cdrom_switch_blocksize() to change the sector size only if the
requested size deviates from 2048. Change it back to 2048 after the read
operation if a change was mode.
Link: https://lkml.kernel.org/r/20201204164803.ovwurzs3257em2rp@linutronix.de
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull kvm fixes from Paolo Bonzini:
"Bugfixes for ARM, x86 and tools"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
tools/kvm_stat: Exempt time-based counters
KVM: mmu: Fix SPTE encoding of MMIO generation upper half
kvm: x86/mmu: Use cpuid to determine max gfn
kvm: svm: de-allocate svm_cpu_data for all cpus in svm_cpu_uninit()
selftests: kvm/set_memory_region_test: Fix race in move region test
KVM: arm64: Add usage of stage 2 fault lookup level in user_mem_abort()
KVM: arm64: Fix handling of merging tables into a block entry
KVM: arm64: Fix memory leak on stage2 update of a valid PTE
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
A new set of wireless changes:
* validate key indices for key deletion
* more preamble support in mac80211
* various 6 GHz scan fixes/improvements
* a common SAR power limitations API
* various small fixes & code improvements
* tag 'mac80211-next-for-net-next-2020-12-11' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next: (35 commits)
mac80211: add ieee80211_set_sar_specs
nl80211: add common API to configure SAR power limitations
mac80211: fix a mistake check for rx_stats update
mac80211: mlme: save ssid info to ieee80211_bss_conf while assoc
mac80211: Update rate control on channel change
mac80211: don't filter out beacons once we start CSA
mac80211: Fix calculation of minimal channel width
mac80211: ignore country element TX power on 6 GHz
mac80211: use bitfield helpers for BA session action frames
mac80211: support Rx timestamp calculation for all preamble types
mac80211: don't set set TDLS STA bandwidth wider than possible
mac80211: support driver-based disconnect with reconnect hint
cfg80211: support immediate reconnect request hint
mac80211: use struct assignment for he_obss_pd
cfg80211: remove struct ieee80211_he_bss_color
nl80211: validate key indexes for cfg80211_registered_device
cfg80211: include block-tx flag in channel switch started event
mac80211: disallow band-switch during CSA
ieee80211: update reduced neighbor report TBTT info length
cfg80211: Save the regulatory domain when setting custom regulatory
...
====================
Link: https://lore.kernel.org/r/20201211142552.209018-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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