generic_file_direct_write() tries to invalidate pagecache after O_DIRECT
write. Unlike to similar code in dio_complete() this silently ignores
error returned from invalidate_inode_pages2_range().
According to comment this code here because not all filesystems call
dio_complete() to do proper invalidation after O_DIRECT write. Noticeable
example is a blkdev_direct_IO().
This patch calls dio_warn_stale_pagecache() if invalidation fails.
Link: http://lkml.kernel.org/r/157270038294.4812.2238891109785106069.stgit@buzz
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This helper prints warning if direct I/O write failed to invalidate cache,
and set EIO at inode to warn usersapce about possible data corruption.
See also commit 5a9d929d6e ("iomap: report collisions between directio
and buffered writes to userspace").
Direct I/O is supported by non-disk filesystems, for example NFS. Thus
generic code needs this even in kernel without CONFIG_BLOCK.
Link: http://lkml.kernel.org/r/157270038074.4812.7980855544557488880.stgit@buzz
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
generic_file_direct_write() invalidates cache at entry. Second time this
should be done when request completes. But this function calls second
invalidation at exit unconditionally even for async requests.
This patch skips second invalidation for async requests (-EIOCBQUEUED).
Link: http://lkml.kernel.org/r/157270037850.4812.15036239021726025572.stgit@buzz
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The function doesn't need to return any value, and the check can be done
in one pass.
There is a behavior change: before the patch, we stop at the first invalid
free object; after the patch, we stop at the first invalid object, free or
in use. This shouldn't matter because the original behavior isn't
intended anyway.
Link: http://lkml.kernel.org/r/20191108193958.205102-1-yuzhao@google.com
Signed-off-by: Yu Zhao <yuzhao@google.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The type of local variable *type* of new_kmalloc_cache() should be enum
kmalloc_cache_type instead of int, so correct it.
Link: http://lkml.kernel.org/r/1569241648-26908-4-git-send-email-lpf.vector@gmail.com
Signed-off-by: Pengfei Li <lpf.vector@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The size of kmalloc can be obtained from kmalloc_info[], so remove
kmalloc_size() that will not be used anymore.
Link: http://lkml.kernel.org/r/1569241648-26908-3-git-send-email-lpf.vector@gmail.com
Signed-off-by: Pengfei Li <lpf.vector@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm, slab: Make kmalloc_info[] contain all types of names", v6.
There are three types of kmalloc, KMALLOC_NORMAL, KMALLOC_RECLAIM
and KMALLOC_DMA.
The name of KMALLOC_NORMAL is contained in kmalloc_info[].name,
but the names of KMALLOC_RECLAIM and KMALLOC_DMA are dynamically
generated by kmalloc_cache_name().
Patch1 predefines the names of all types of kmalloc to save
the time spent dynamically generating names.
These changes make sense, and the time spent by new_kmalloc_cache()
has been reduced by approximately 36.3%.
Time spent by new_kmalloc_cache()
(CPU cycles)
5.3-rc7 66264
5.3-rc7+patch 42188
This patch (of 3):
There are three types of kmalloc, KMALLOC_NORMAL, KMALLOC_RECLAIM and
KMALLOC_DMA.
The name of KMALLOC_NORMAL is contained in kmalloc_info[].name, but the
names of KMALLOC_RECLAIM and KMALLOC_DMA are dynamically generated by
kmalloc_cache_name().
This patch predefines the names of all types of kmalloc to save the time
spent dynamically generating names.
Besides, remove the kmalloc_cache_name() that is no longer used.
Link: http://lkml.kernel.org/r/1569241648-26908-2-git-send-email-lpf.vector@gmail.com
Signed-off-by: Pengfei Li <lpf.vector@gmail.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Roman Gushchin <guro@fb.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The declarations of __block_write_begin_int and guard_bio_eod are needed
from internal.h so include it to fix the following sparse warnings:
fs/buffer.c:1930:5: warning: symbol '__block_write_begin_int' was not declared. Should it be static?
fs/buffer.c:2994:6: warning: symbol 'guard_bio_eod' was not declared. Should it be static?
Link: http://lkml.kernel.org/r/20191011170039.16100-1-ben.dooks@codethink.co.uk
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use true/false for bool return type of has_bh_in_lru().
Link: http://lkml.kernel.org/r/20191029040529.GA7625@saurav
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix a static code checker warning:
fs/ocfs2/acl.c:331
ocfs2_acl_chmod() warn: passing zero to 'PTR_ERR'
Link: http://lkml.kernel.org/r/1dee278b-6c96-eec2-ce76-fe6e07c6e20f@linux.alibaba.com
Fixes: 5ee0fbd50f ("ocfs2: revert using ocfs2_acl_chmod to avoid inode cluster lock hang")
Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here are some of the more common spelling mistakes and typos that I've
found while fixing up spelling mistakes in the kernel since July 2019.
Link: http://lkml.kernel.org/r/20191112092142.97989-1-colin.king@canonical.com
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Remove compat vdso code, since there is hardly any compat user space
left. Still existing compat user space will have to use system calls
instead.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Use the function drm_panel_get_modes().
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Cc: Alexios Zavras <alexios.zavras@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Allison Randal <allison@lohutok.net>
Cc: Enrico Weigelt <info@metux.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20190804201637.1240-7-sam@ravnborg.org
drm_panel_attach() will check if there is a controller
already attached - drop the check in the driver.
Use drm_panel_get_modes() so the driver no longer uses the function
pointer.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-samsung-soc@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20190804201637.1240-3-sam@ravnborg.org
Add support for parallax ping and laser ping sensors with just one pin
for trigger and echo signal.
This driver is based on srf04. In contrast to it it's necessary to
change direction of the pin and to request the irq just for the period
when the echo is rising and falling. Because this adds a lot of cases
there is this individual driver for handling this type of sensors.
Add a new configuration variable CONFIG_PING to Kconfig and Makefile.
Julia reported an issue with failing to unlock a mutex in some error
paths.
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is no need to explicitly generate update event to update
timer master mode.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a maintainer for the new parallax PING))) and LaserPING IIO sensors
Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a version 1.0 MU on i.MX7ULP platform.
One new version ID register is added, and it's offset is 0.
TRn registers are defined at the offset 0x20 ~ 0x2C.
RRn registers are defined at the offset 0x40 ~ 0x4C.
SR/CR registers are defined at 0x60/0x64.
Extend this driver to support it.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Suggested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
There is a version 1.0 MU on imx7ulp, use "fsl,imx7ulp-mu" compatible
to support it.
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Make sure to only clear enabled interrupts keeping count
of the connection type.
Suggested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
The wakeup specific IRQ management is no more needed to wake up the
stm32 platform. A relationship has been established between the EXTI and
the RX IRQ, just need to declare the EXTI interrupt instead of the
IPCC RX IRQ.
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
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Merge tag 'audit-pr-20191126' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"Audit is back for v5.5, albeit with only two patches:
- Allow for the auditing of suspicious O_CREAT usage via the new
AUDIT_ANOM_CREAT record.
- Remove a redundant if-conditional check found during code analysis.
It's a minor change, but when the pull request is only two patches
long, you need filler in the pull request email"
[ Heh on the pull request filler. I wish more people tried to write
better pull request messages, even if maybe it's not worth it for the
trivial cases ;^) - Linus ]
* tag 'audit-pr-20191126' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: remove redundant condition check in kauditd_thread()
audit: Report suspicious O_CREAT usage
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Merge tag 'selinux-pr-20191126' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux updates from Paul Moore:
"Only three SELinux patches for v5.5:
- Remove the size limit on SELinux policies, the limitation was a
lingering vestige and no longer necessary.
- Allow file labeling before the policy is loaded. This should ease
some of the burden when the policy is initially loaded (no need to
relabel files), but it should also help enable some new system
concepts which dynamically create the root filesystem in the
initrd.
- Add support for the "greatest lower bound" policy construct which
is defined as the intersection of the MLS range of two SELinux
labels"
* tag 'selinux-pr-20191126' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: default_range glblub implementation
selinux: allow labeling before policy is loaded
selinux: remove load size limit
The major change here is the work from Douglas Anderson that
reworks the way kdb stack traces are handled on SMP systems.
The effect is to allow all CPUs to issue their stack trace which
reduced the need for architecture specific code to support stack
tracing.
Also included are general of clean ups from Doug and myself:
* Remove some unused variables or arguments.
* Tidy up the kdb escape handling code and fix a couple of odd
corner cases.
- Better ignore escape characters that do not form part of an
escape sequence. This mostly benefits vi users since they are most
likely to press escape as a nervous habit but it won't harm anyone
else.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb updates from Daniel Thompson:
"The major change here is the work from Douglas Anderson that reworks
the way kdb stack traces are handled on SMP systems. The effect is to
allow all CPUs to issue their stack trace which reduced the need for
architecture specific code to support stack tracing.
Also included are general of clean ups from Doug and myself:
- Remove some unused variables or arguments.
- Tidy up the kdb escape handling code and fix a couple of odd corner
cases.
- Better ignore escape characters that do not form part of an escape
sequence. This mostly benefits vi users since they are most likely
to press escape as a nervous habit but it won't harm anyone else"
* tag 'kgdb-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kdb: Tweak escape handling for vi users
kdb: Improve handling of characters from different input sources
kdb: Remove special case logic from kdb_read()
kdb: Simplify code to fetch characters from console
kdb: Tidy up code to handle escape sequences
kdb: Avoid array subscript warnings on non-SMP builds
kdb: Fix stack crawling on 'running' CPUs that aren't the master
kdb: Fix "btc <cpu>" crash if the CPU didn't round up
kdb: Remove unused "argcount" param from kdb_bt1(); make btaprompt bool
kgdb: Remove unused DCPU_SSTEP definition
- Hibernation support (Dexuan Cui).
- Latency testing framework (Branden Bonaby).
- Decoupling Hyper-V page size from guest page size (Himadri Pandya).
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Merge tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V updates from Sasha Levin:
- support for new VMBus protocols (Andrea Parri)
- hibernation support (Dexuan Cui)
- latency testing framework (Branden Bonaby)
- decoupling Hyper-V page size from guest page size (Himadri Pandya)
* tag 'hyperv-next-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: (22 commits)
Drivers: hv: vmbus: Fix crash handler reset of Hyper-V synic
drivers/hv: Replace binary semaphore with mutex
drivers: iommu: hyperv: Make HYPERV_IOMMU only available on x86
HID: hyperv: Add the support of hibernation
hv_balloon: Add the support of hibernation
x86/hyperv: Implement hv_is_hibernation_supported()
Drivers: hv: balloon: Remove dependencies on guest page size
Drivers: hv: vmbus: Remove dependencies on guest page size
x86: hv: Add function to allocate zeroed page for Hyper-V
Drivers: hv: util: Specify ring buffer size using Hyper-V page size
Drivers: hv: Specify receive buffer size using Hyper-V page size
tools: hv: add vmbus testing tool
drivers: hv: vmbus: Introduce latency testing
video: hyperv: hyperv_fb: Support deferred IO for Hyper-V frame buffer driver
video: hyperv: hyperv_fb: Obtain screen resolution from Hyper-V host
hv_netvsc: Add the support of hibernation
hv_sock: Add the support of hibernation
video: hyperv_fb: Add the support of hibernation
scsi: storvsc: Add the support of hibernation
Drivers: hv: vmbus: Add module parameter to cap the VMBus version
...
Pull RAS fix from Borislav Petkov:
"One urgent fix for the thermal throttling machinery: the recent change
reworking the thermal notifications forgot to mask out read-only and
reserved bits in the thermal status MSRs, leading to exceptions while
writing those MSRs.
The fix takes care of masking out those bits first"
* 'ras-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce/therm_throt: Mask out read-only and reserved MSR bits
Pull parisc updates from Helge Deller:
"Just trivial small updates: An assembler register optimization in the
inlined networking checksum functions, a compiler warning fix and
don't unneccesary print a runtime warning on machines which wouldn't
be affected anyway"
* 'parisc-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Avoid spurious inequivalent alias kernel error messages
kexec: Fix pointer-to-int-cast warnings
parisc: Do not hardcode registers in checksum functions
Highlights:
- Infrastructure for secure boot on some bare metal Power9 machines. The
firmware support is still in development, so the code here won't actually
activate secure boot on any existing systems.
- A change to xmon (our crash handler / pseudo-debugger) to restrict it to
read-only mode when the kernel is lockdown'ed, otherwise it's trivial to drop
into xmon and modify kernel data, such as the lockdown state.
- Support for KASLR on 32-bit BookE machines (Freescale / NXP).
- Fixes for our flush_icache_range() and __kernel_sync_dicache() (VDSO) to work
with memory ranges >4GB.
- Some reworks of the pseries CMM (Cooperative Memory Management) driver to
make it behave more like other balloon drivers and enable some cleanups of
generic mm code.
- A series of fixes to our hardware breakpoint support to properly handle
unaligned watchpoint addresses.
Plus a bunch of other smaller improvements, fixes and cleanups.
Thanks to:
Alastair D'Silva, Andrew Donnellan, Aneesh Kumar K.V, Anthony Steinhauser,
Cédric Le Goater, Chris Packham, Chris Smart, Christophe Leroy, Christopher M.
Riedl, Christoph Hellwig, Claudio Carvalho, Daniel Axtens, David Hildenbrand,
Deb McLemore, Diana Craciun, Eric Richter, Geert Uytterhoeven, Greg
Kroah-Hartman, Greg Kurz, Gustavo L. F. Walbon, Hari Bathini, Harish, Jason
Yan, Krzysztof Kozlowski, Leonardo Bras, Mathieu Malaterre, Mauro S. M.
Rodrigues, Michal Suchanek, Mimi Zohar, Nathan Chancellor, Nathan Lynch, Nayna
Jain, Nick Desaulniers, Oliver O'Halloran, Qian Cai, Rasmus Villemoes, Ravi
Bangoria, Sam Bobroff, Santosh Sivaraj, Scott Wood, Thomas Huth, Tyrel
Datwyler, Vaibhav Jain, Valentin Longchamp, YueHaibing.
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Merge tag 'powerpc-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Highlights:
- Infrastructure for secure boot on some bare metal Power9 machines.
The firmware support is still in development, so the code here
won't actually activate secure boot on any existing systems.
- A change to xmon (our crash handler / pseudo-debugger) to restrict
it to read-only mode when the kernel is lockdown'ed, otherwise it's
trivial to drop into xmon and modify kernel data, such as the
lockdown state.
- Support for KASLR on 32-bit BookE machines (Freescale / NXP).
- Fixes for our flush_icache_range() and __kernel_sync_dicache()
(VDSO) to work with memory ranges >4GB.
- Some reworks of the pseries CMM (Cooperative Memory Management)
driver to make it behave more like other balloon drivers and enable
some cleanups of generic mm code.
- A series of fixes to our hardware breakpoint support to properly
handle unaligned watchpoint addresses.
Plus a bunch of other smaller improvements, fixes and cleanups.
Thanks to: Alastair D'Silva, Andrew Donnellan, Aneesh Kumar K.V,
Anthony Steinhauser, Cédric Le Goater, Chris Packham, Chris Smart,
Christophe Leroy, Christopher M. Riedl, Christoph Hellwig, Claudio
Carvalho, Daniel Axtens, David Hildenbrand, Deb McLemore, Diana
Craciun, Eric Richter, Geert Uytterhoeven, Greg Kroah-Hartman, Greg
Kurz, Gustavo L. F. Walbon, Hari Bathini, Harish, Jason Yan, Krzysztof
Kozlowski, Leonardo Bras, Mathieu Malaterre, Mauro S. M. Rodrigues,
Michal Suchanek, Mimi Zohar, Nathan Chancellor, Nathan Lynch, Nayna
Jain, Nick Desaulniers, Oliver O'Halloran, Qian Cai, Rasmus Villemoes,
Ravi Bangoria, Sam Bobroff, Santosh Sivaraj, Scott Wood, Thomas Huth,
Tyrel Datwyler, Vaibhav Jain, Valentin Longchamp, YueHaibing"
* tag 'powerpc-5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (144 commits)
powerpc/fixmap: fix crash with HIGHMEM
x86/efi: remove unused variables
powerpc: Define arch_is_kernel_initmem_freed() for lockdep
powerpc/prom_init: Use -ffreestanding to avoid a reference to bcmp
powerpc: Avoid clang warnings around setjmp and longjmp
powerpc: Don't add -mabi= flags when building with Clang
powerpc: Fix Kconfig indentation
powerpc/fixmap: don't clear fixmap area in paging_init()
selftests/powerpc: spectre_v2 test must be built 64-bit
powerpc/powernv: Disable native PCIe port management
powerpc/kexec: Move kexec files into a dedicated subdir.
powerpc/32: Split kexec low level code out of misc_32.S
powerpc/sysdev: drop simple gpio
powerpc/83xx: map IMMR with a BAT.
powerpc/32s: automatically allocate BAT in setbat()
powerpc/ioremap: warn on early use of ioremap()
powerpc: Add support for GENERIC_EARLY_IOREMAP
powerpc/fixmap: Use __fix_to_virt() instead of fix_to_virt()
powerpc/8xx: use the fixmapped IMMR in cpm_reset()
powerpc/8xx: add __init to cpm1 init functions
...
Here is the nds32 patchset based on 5.4-rc8
Contained in here are
1. code clean up
2. add a nds32 maintainer
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Merge tag 'nds32-for-linus-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux
Pull nds32 updates from Greentime Hu:
- code clean up
- add a nds32 maintainer
* tag 'nds32-for-linus-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux:
MAINTAINERS: add nds32 maintainer
nds32: Move static keyword to the front of declaration
nds32: Fix typo in Kconfig.cpu
nds32: remove unneeded clean-files for DTB
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Merge tag 'notifications-pipe-prep-20191115' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull pipe rework from David Howells:
"This is my set of preparatory patches for building a general
notification queue on top of pipes. It makes a number of significant
changes:
- It removes the nr_exclusive argument from __wake_up_sync_key() as
this is always 1. This prepares for the next step:
- Adds wake_up_interruptible_sync_poll_locked() so that poll can be
woken up from a function that's holding the poll waitqueue
spinlock.
- Change the pipe buffer ring to be managed in terms of unbounded
head and tail indices rather than bounded index and length. This
means that reading the pipe only needs to modify one index, not
two.
- A selection of helper functions are provided to query the state of
the pipe buffer, plus a couple to apply updates to the pipe
indices.
- The pipe ring is allowed to have kernel-reserved slots. This allows
many notification messages to be spliced in by the kernel without
allowing userspace to pin too many pages if it writes to the same
pipe.
- Advance the head and tail indices inside the pipe waitqueue lock
and use wake_up_interruptible_sync_poll_locked() to poke poll
without having to take the lock twice.
- Rearrange pipe_write() to preallocate the buffer it is going to
write into and then drop the spinlock. This allows kernel
notifications to then be added the ring whilst it is filling the
buffer it allocated. The read side is stalled because the pipe
mutex is still held.
- Don't wake up readers on a pipe if there was already data in it
when we added more.
- Don't wake up writers on a pipe if the ring wasn't full before we
removed a buffer"
* tag 'notifications-pipe-prep-20191115' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
pipe: Remove sync on wake_ups
pipe: Increase the writer-wakeup threshold to reduce context-switch count
pipe: Check for ring full inside of the spinlock in pipe_write()
pipe: Remove redundant wakeup from pipe_write()
pipe: Rearrange sequence in pipe_write() to preallocate slot
pipe: Conditionalise wakeup in pipe_read()
pipe: Advance tail pointer inside of wait spinlock in pipe_read()
pipe: Allow pipes to have kernel-reserved slots
pipe: Use head and tail pointers for the ring, not cursor and length
Add wake_up_interruptible_sync_poll_locked()
Remove the nr_exclusive argument from __wake_up_sync_key()
pipe: Reduce #inclusion of pipe_fs_i.h
Previously, there was an omap panel-dpi driver that would
read generic timings from the device tree and set the display
timing accordingly. This driver was removed so the screen
no longer functions. This patch modifies the panel-simple
file to setup the timings to the same values previously used.
Fixes: 8bf4b16211 ("drm/omap: Remove panel-dpi driver")
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20191016135147.7743-1-aford173@gmail.com
Indent a Kconfig continuation line to improve readability.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Sathya Perla <sathya.perla@broadcom.com>
Cc: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Cc: Somnath Kotur <somnath.kotur@broadcom.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
It is possible that tc stats get checked before the packet we check for
actually arrived into the interface and accounted for.
Fix it by checking for the expected result in a loop until
timeout is reached (by default 1 second).
Fixes: 07e5c75184 ("selftests: forwarding: Introduce tc flower matching tests")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
vfs_rmdir and vfs_unlink can return -EBUSY if the
target is a mountpoint. This currently gets passed to
nfserrno() by nfsd_unlink(), and that results in a WARNing,
which is not user-friendly.
Possibly the best NFSv4 error is NFS4ERR_FILE_OPEN, because
there is a sense in which the object is currently in use
by some other task. The Linux NFSv4 client will map this
back to EBUSY, which is an added benefit.
For NFSv3, the best we can do is probably NFS3ERR_ACCES, which isn't
true, but is not less true than the other options.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
The NFSv4.2 CLONE operation has implicit persistence requirements on the
target file, since there is no protocol requirement that the client issue
a separate operation to persist data.
For that reason, we should call vfs_fsync_range() on the destination file
after a successful call to vfs_clone_file_range().
Fixes: ffa0160a10 ("nfsd: implement the NFSv4.2 CLONE operation")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: stable@vger.kernel.org # v4.5+
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Merge tag 'fsnotify_for_v5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify updates from Jan Kara:
"Three fsnotify cleanups"
* tag 'fsnotify_for_v5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fsnotify: Add git tree reference to MAINTAINERS
fsnotify/fdinfo: exportfs_encode_inode_fh() takes pointer as 4th argument
fsnotify: move declaration of fsnotify_mark_connector_cachep to fsnotify.h
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Merge tag 'for_v5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2, quota, reiserfs cleanups and fixes from Jan Kara:
- Refactor the quota on/off kernel internal interfaces (mostly for
ubifs quota support as ubifs does not want to have inodes holding
quota information)
- A few other small quota fixes and cleanups
- Various small ext2 fixes and cleanups
- Reiserfs xattr fix and one cleanup
* tag 'for_v5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: (28 commits)
ext2: code cleanup for descriptor_loc()
fs/quota: handle overflows of sysctl fs.quota.* and report as unsigned long
ext2: fix improper function comment
ext2: code cleanup for ext2_try_to_allocate()
ext2: skip unnecessary operations in ext2_try_to_allocate()
ext2: Simplify initialization in ext2_try_to_allocate()
ext2: code cleanup by calling ext2_group_last_block_no()
ext2: introduce new helper ext2_group_last_block_no()
reiserfs: replace open-coded atomic_dec_and_mutex_lock()
ext2: check err when partial != NULL
quota: Handle quotas without quota inodes in dquot_get_state()
quota: Make dquot_disable() work without quota inodes
quota: Drop dquot_enable()
fs: Use dquot_load_quota_inode() from filesystems
quota: Rename vfs_load_quota_inode() to dquot_load_quota_inode()
quota: Simplify dquot_resume()
quota: Factor out setup of quota inode
quota: Check that quota is not dirty before release
quota: fix livelock in dquot_writeback_dquots
ext2: don't set *count in the case of failure in ext2_try_to_allocate()
...
- Introduce superblock checksum support;
- Set iowait when waiting I/O for sync decompression path;
- Several code cleanups.
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Merge tag 'erofs-for-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"No major kernel updates for this round since I'm fully diving into
LZMA algorithm internals now to provide high CR XZ algorihm support.
That needs more work and time for me to get a better compression time.
Summary:
- Introduce superblock checksum support
- Set iowait when waiting I/O for sync decompression path
- Several code cleanups"
* tag 'erofs-for-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: remove unnecessary output in erofs_show_options()
erofs: drop all vle annotations for runtime names
erofs: support superblock checksum
erofs: set iowait for sync decompression
erofs: clean up decompress queue stuffs
erofs: get rid of __stagingpage_alloc helper
erofs: remove dead code since managed cache is now built-in
erofs: clean up collection handling routines
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Merge tag '5.5-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs updates from Steve French:
"Various smb3 fixes (including 12 for stable) and also features
(addition of multichannel support)"
* tag '5.5-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: (41 commits)
CIFS: fix a white space issue in cifs_get_inode_info()
cifs: update internal module version number
cifs: Always update signing key of first channel
cifs: Fix retrieval of DFS referrals in cifs_mount()
cifs: Fix potential softlockups while refreshing DFS cache
cifs: Fix lookup of root ses in DFS referral cache
cifs: Fix use-after-free bug in cifs_reconnect()
cifs: dump channel info in DebugData
smb3: dump in_send and num_waiters stats counters by default
cifs: try harder to open new channels
CIFS: Properly process SMB3 lease breaks
cifs: move cifsFileInfo_put logic into a work-queue
cifs: try opening channels after mounting
CIFS: refactor cifs_get_inode_info()
cifs: switch servers depending on binding state
cifs: add server param
cifs: add multichannel mount options and data structs
cifs: sort interface list by speed
CIFS: Fix SMB2 oplock break processing
cifs: don't use 'pre:' for MODULE_SOFTDEP
...
