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Merge tag 'audit-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"A small set of audit patches for v5.11 with four patches in total and
only one of any real significance.
Richard's patch to trigger accompanying records causes the kernel to
emit additional related records when an audit event occurs; helping
provide some much needed context to events in the audit log. It is
also worth mentioning that this is a revised patch based on an earlier
attempt that had to be reverted in the v5.8 time frame.
Everything passes our test suite, and with no problems reported please
merge this for v5.11"
* tag 'audit-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: replace atomic_add_return()
audit: fix macros warnings
audit: trigger accompanying records when no rules present
audit: fix a kernel-doc markup
Björn Töpel says:
====================
i40e/ice AF_XDP ZC fixes
This series address two crashes in the AF_XDP zero-copy mode for ice
and i40e. More details in each individual the commit message.
====================
Link: https://lore.kernel.org/r/20201211145712.72957-1-bjorn.topel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On the Rx side, the next_to_use index points to the next item in the
HW ring to be refilled/allocated, and next_to_clean points to the next
item to potentially be processed.
When the HW Rx ring is fully refilled, i.e. no packets has been
processed, the next_to_use will be next_to_clean - 1. When the ring is
fully processed next_to_clean will be equal to next_to_use. The latter
case is where a bug is triggered.
If the next_to_use bits are not cleared, and the "fully processed"
state is entered, a stale descriptor can be processed.
The skb-path correctly clear the status bit for the next_to_use
descriptor, but the AF_XDP zero-copy path did not do that.
This change adds the status bits clearing of the next_to_use
descriptor.
Fixes: 3b4f0b66c2b3 ("i40e, xsk: Migrate to new MEM_TYPE_XSK_BUFF_POOL")
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
On the Rx side, the next_to_use index points to the next item in the
HW ring to be refilled/allocated, and next_to_clean points to the next
item to potentially be processed.
When the HW Rx ring is fully refilled, i.e. no packets has been
processed, the next_to_use will be next_to_clean - 1. When the ring is
fully processed next_to_clean will be equal to next_to_use. The latter
case is where a bug is triggered.
If the next_to_use bits are not cleared, and the "fully processed"
state is entered, a stale descriptor can be processed.
The skb-path correctly clear the status bit for the next_to_use
descriptor, but the AF_XDP zero-copy path did not do that.
This change adds the status bits clearing of the next_to_use
descriptor.
Fixes: 2d4238f55697 ("ice: Add support for AF_XDP")
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'printk-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Finally allow parallel writes and reads into/from the lockless
ringbuffer. But it is not a complete solution. Readers are still
serialized against each other. And nested writes are still prevented
by printk_safe per-CPU buffers.
- Use ttynull as the ultimate fallback for /dev/console.
- Officially allow disabling console output by using console="" or
console=null
- A few code cleanups
* tag 'printk-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: remove logbuf_lock writer-protection of ringbuffer
printk: inline log_output(),log_store() in vprintk_store()
printk: remove obsolete dead assignment
printk/console: Allow to disable console output by using console="" or console=null
init/console: Use ttynull as a fallback when there is no console
printk: ringbuffer: Reference text_data_ring directly in callees.
Add documentation for crc window.
Fixes: c920888c604d ("drm/amd/display: Expose new CRC window property")
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Wayne Lin <Wayne.Lin@amd.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Wayne Lin <Wayne.Lin@amd.com>
This makes it easier to debug what block is causing the fault, same as
sienna_cichlid.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Use mode1 reset for dimgrey_cavefish by default.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Jiansong Chen <Jiansong.Chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Some old ASICs might not implement/require get_dig_frontend helper; in
this scenario, we can have a NULL pointer exception when we try to call
it inside vbios disable operation. For example, this situation might
happen when using Polaris12 with an eDP panel. This commit avoids this
situation by adding a specific get_dig_frontend implementation for DCEx.
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Cc: Chiawen Huang <chiawen.huang@amd.com>
Reported-and-tested-by: Borislav Petkov <bp@suse.de>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
- Initial support for stateful Octal DTR mode using volatile settings
- Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards
- Support for Cypress Semper flash
- Support to specify ECC block size of SPI NOR flashes
- Fixes to avoid clearing of non-volatile Block Protection bits at probe
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mergetag object ee4e0eafa43cfd9008722fe15e17b8bf62fb6e8d
type commit
tag nand/for-5.11
tagger Miquel Raynal <miquel.raynal@bootlin.com> 1608042580 +0100
Generic NAND core:
* ECC management:
- Add an I/O request tweaking mechanism
- Entire rework of the software BCH ECC driver, creation of a real
ECC engine, getting rid of raw NAND structures, migration to more
generic prototypes, misc fixes and style cleanup. Moved now to the
Generic NAND layer.
- Entire rework of the software Hamming ECC driver, creation of a
real ECC engine, getting rid of raw NAND structures, misc renames,
comment updates, cleanup, and style fixes. Moved now to the
generic NAND layer.
- Necessary plumbing at the NAND level to retrieve generic NAND ECC
engines (softwares and on-die).
- Update of the bindings.
Raw NAND core:
* Geting rid of the chip->ecc.priv entry.
* Fix miscellaneous typos in kernel-doc
Raw NAND controller drivers:
* AU1550: Ensure the presence of the right includes
* Davinci: Do not use extra dereferencing
* GPMI:
- Fix the driver only sense CS0 R/B issue
- Fix the random DMA timeout issue
- Use a single line for of_device_id
- Use of_device_get_match_data()
- Fix reference count leak in gpmi ops
- Cleanup makefile
- Fix binding matching of clocks on different SoCs
* Ingenic: remove redundant get_device() in ingenic_ecc_get()
* Intel LGM: New NAND controller driver
* Marvell: Drop useless line
* Meson:
- Fix a resource leak in init
- Fix meson_nfc_dma_buffer_release() arguments
* mxc:
- Use device_get_match_data()
- Use a single line for of_device_id
- Remove platform data support
* Qcom:
- Add support for SDX55
- Support for IPQ6018 QPIC NAND controller
- Fix DMA sync on FLASH_STATUS register read
* Rockchip: New NAND controller driver for RK3308, RK2928 and others
* Sunxi: Add MDMA support
SPI-NAND core:
* Creation of a SPI-NAND on-die ECC engine
* Move ECC related definitions earlier in the driver
* Fix typo in comment
* Fill a default ECC provider/algorithm
* Remove outdated comment
* Fix OOB read
* Allow the case where there is no ECC engine
* Use the external ECC engine logic
SPI-NAND chip drivers:
* Micron:
- Add support for MT29F2G01AAAED
- Use more specific names
* Macronix:
- Add support for MX35LFxG24AD
- Add support for MX35LFxGE4AD
Others:
* onenand: Use mtd->oops_panic_write as condition
* plat-ram: correctly free memory on error path in platram_probe()
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Merge tags 'spi-nor/for-5.11' and 'nand/for-5.11' into mtd/next
SPI NOR core changes:
- Initial support for stateful Octal DTR mode using volatile settings
- Preliminary support for JEDEC 251 (xSPI) and JEDEC 216D standards
- Support for Cypress Semper flash
- Support to specify ECC block size of SPI NOR flashes
- Fixes to avoid clearing of non-volatile Block Protection bits at probe
Generic NAND core:
* ECC management:
- Add an I/O request tweaking mechanism
- Entire rework of the software BCH ECC driver, creation of a real
ECC engine, getting rid of raw NAND structures, migration to more
generic prototypes, misc fixes and style cleanup. Moved now to the
Generic NAND layer.
- Entire rework of the software Hamming ECC driver, creation of a
real ECC engine, getting rid of raw NAND structures, misc renames,
comment updates, cleanup, and style fixes. Moved now to the
generic NAND layer.
- Necessary plumbing at the NAND level to retrieve generic NAND ECC
engines (softwares and on-die).
- Update of the bindings.
Raw NAND core:
* Geting rid of the chip->ecc.priv entry.
* Fix miscellaneous typos in kernel-doc
Raw NAND controller drivers:
* AU1550: Ensure the presence of the right includes
* Davinci: Do not use extra dereferencing
* GPMI:
- Fix the driver only sense CS0 R/B issue
- Fix the random DMA timeout issue
- Use a single line for of_device_id
- Use of_device_get_match_data()
- Fix reference count leak in gpmi ops
- Cleanup makefile
- Fix binding matching of clocks on different SoCs
* Ingenic: remove redundant get_device() in ingenic_ecc_get()
* Intel LGM: New NAND controller driver
* Marvell: Drop useless line
* Meson:
- Fix a resource leak in init
- Fix meson_nfc_dma_buffer_release() arguments
* mxc:
- Use device_get_match_data()
- Use a single line for of_device_id
- Remove platform data support
* Qcom:
- Add support for SDX55
- Support for IPQ6018 QPIC NAND controller
- Fix DMA sync on FLASH_STATUS register read
* Rockchip: New NAND controller driver for RK3308, RK2928 and others
* Sunxi: Add MDMA support
SPI-NAND core:
* Creation of a SPI-NAND on-die ECC engine
* Move ECC related definitions earlier in the driver
* Fix typo in comment
* Fill a default ECC provider/algorithm
* Remove outdated comment
* Fix OOB read
* Allow the case where there is no ECC engine
* Use the external ECC engine logic
SPI-NAND chip drivers:
* Micron:
- Add support for MT29F2G01AAAED
- Use more specific names
* Macronix:
- Add support for MX35LFxG24AD
- Add support for MX35LFxGE4AD
Others:
* onenand: Use mtd->oops_panic_write as condition
* plat-ram: correctly free memory on error path in platram_probe()
Even if there is more rx data waiting on the chip, the rx napi poll fn
will never run more than once - it will always read a few buffers, then
bail out and re-arm interrupts. Which results in ping-pong between napi
and interrupt.
This defeats the purpose of napi, and is bad for performance.
Fix by making the rx napi poll behave identically to other ethernet
drivers:
1. initialize rx napi polling with an arbitrary budget (64).
2. in the polling fn, return full weight if rx queue is not depleted,
this tells the napi core to "keep polling".
3. update the rx tail ("ring the doorbell") once for every 8 processed
rx ring buffers.
Thanks to Jakub Kicinski, Eric Dumazet and Andrew Lunn for their expert
opinions and suggestions.
Tested with 20 seconds of full bandwidth receive (iperf3):
rx irqs softirqs(NET_RX)
-----------------------------
before 23827 33620
after 129 4081
Tested-by: Sven Van Asbroeck <thesven73@gmail.com> # lan7430
Fixes: 23f0703c125be ("lan743x: Add main source files for new lan743x driver")
Signed-off-by: Sven Van Asbroeck <thesven73@gmail.com>
Link: https://lore.kernel.org/r/20201215161954.5950-1-TheSven73@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Replace a comma between expression statements by a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Remove NOKPROBE_SYMBOL() for arch_cpu_idle(). This might have made
sense when enabled_wait() (aka arch_cpu_idle()) was called from
udelay.
But now there shouldn't be a reason why s390 should be the only
architecture which doesn't allow arch_cpu_idle() to be probed.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
arch_cpu_idle() gets called with interrupts disabled,
and psw_idle() returns with interrupts disabled.
No reason to use raw_local_irq_save() / restore().
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
The only caller of enabled_wait() besides arch_cpu_idle() was
udelay(). Since that call doesn't exist anymore, merge enabled_wait()
and arch_cpu_idle().
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
udelay_simple() callers can make use of the now simplified udelay()
implementation. No need to keep it.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
irq_exit() is always called on async stack. Therefore select
HAVE_IRQ_EXIT_ON_IRQ_STACK and get a tiny optimization in
invoke_softirq().
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
udelay is implemented by using quite subtle details to make it
possible to load an idle psw and waiting for an interrupt even in irq
context or when interrupts are disabled. Also handling (or better: no
handling) of softirqs is taken into account.
All this is done to optimize for something which should in normal
circumstances never happen: calling udelay to busy wait. Therefore get
rid of the whole complexity and just busy loop like other
architectures are doing it also.
It could have been possible to use diag 0x44 instead of cpu_relax() in
the busy loop, however we have seen too many bad things happen with
diag 0x44 that it seems to be better to simply busy loop.
Also note that with this new implementation kernel preemption does
work when within the udelay loop. This did not work before.
To get a feeling what the former code optimizes for: IPL'ing a kernel
with 'defconfig' and afterwards compiling a kernel ends with a total
of zero udelay calls.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Instead of registering an external interrupt handler and relying on
the udelay implementation, simply use a timer to get into irq context.
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
The CALL_ON_STACK tests use the no_dat stack to switch to a different
stack for unwinding tests. If an interrupt or machine check happens
while using that stack, and previously being on the async stack, the
interrupt / machine check entry code (SWITCH_ASYNC) will assume that
the previous context did not use the async stack and happily use the
async stack again.
This will lead to stack corruption of the previous context.
To solve this disable both interrupts and machine checks before
switching to the no_dat stack.
Fixes: 7868249fbbc8 ("s390/test_unwind: add CALL_ON_STACK tests")
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
In case of udelay CIF_IGNORE_IRQ is set. This leads to an unbalanced
call of TRACE_IRQS_OFF and TRACE_IRQS_ON. That is: from lockdep's
point of view TRACE_IRQS_ON is called one time too often.
This doesn't fix any real bug, just makes the calls balanced.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Clear the kernel stack backchain before potentially calling the
lockdep trace_hardirqs_off/on functions. Without this walking the
kernel backchain, e.g. during a panic, might stop too early.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Replace a comma between expression statements by a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Message-Id: <20201216132615.15529-1-zhengyongjun3@huawei.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Replace a comma between expression statements by a semicolon.
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Currently when an alloc_page fails the error return is not set in
variable err and a garbage initialized value is returned. Fix this
by setting err to -ENOMEM before taking the error return path.
Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: a1f26739ccdc ("NFSv4.2: improve page handling for GETXATTR")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
BDIs get unregistered during device removal, and this WARN can be
trivially triggered by hot-removing a NVMe device while running fsx
It is otherwise harmless as we still hold a BDI reference, and the
writeback has been shut down already.
Link: https://lore.kernel.org/r/20200928122613.434820-1-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
- increase of maximum HID report size to 16KB in order to support
some of the modern devices, from Dean Camera
- control interface support for hidraw, from Dean Camera
- stylus battery reporting improvement, from Dmitry Torokhov
From Sandeep Singh.
AMD SFH (Sensor Fusion Hub) is HID based driver.SFH FW is part of MP2 processor
(MP2 which is an ARM core connected to x86 for processing sensor data) and it
runs on MP2 where in the driver resides on X86. The driver functionalities are
divided into three parts:
1: amd-mp2-pcie:- This part of the module will communicate with MP2
firmware. MP2 which is exposed as a PCI device to the
X86, uses mailboxes to talk to MP2 firmware to
send/receive commands.
2: Client Layer:- This part of the driver will use DRAM data and convert
the data into HID format based on HID reports.
3: Transport layer :- This part of the driver the will communicate with HID
core.Communication between devices and HID core is
mostly done via HID reports
In terms of architecture, it resembles like ISH (Intel Integrated Sensor Hub).
However the major difference is all the hid reports are generated as part of
the kernel driver.
AMD SFH is integrated as a part of SoC, starting from 17h family of processors.
The solution is working well on several OEM products. AMD SFH uses HID over
PCIe bus.
Hi Linus,
Please, pull the following patches that fix many fall-through warnings
when building with Clang 12.0.0 and this[1] change reverted. Notice
that in order to enable -Wimplicit-fallthrough for Clang, such change[1]
is meant to be reverted at some point. So, these patches help to move
in that direction.
- powerpc: boot: include compiler_attributes.h (Nick Desaulniers)
- Revert "lib: Revert use of fallthrough pseudo-keyword in lib/" (Nick Desaulniers)
- powerpc: fix -Wimplicit-fallthrough (Nick Desaulniers)
- lib: Fix fall-through warnings for Clang (Gustavo A. R. Silva)
Thanks!
[1] commit e2079e93f562c ("kbuild: Do not enable -Wimplicit-fallthrough for clang for now")
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Merge tag 'fallthrough-fixes-clang-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull fallthrough fixes from Gustavo A. R. Silva:
"Fix many fall-through warnings when building with Clang 12.0.0
using -Wimplicit-fallthrough.
- powerpc: boot: include compiler_attributes.h (Nick Desaulniers)
- Revert "lib: Revert use of fallthrough pseudo-keyword in lib/"
(Nick Desaulniers)
- powerpc: fix -Wimplicit-fallthrough (Nick Desaulniers)
- lib: Fix fall-through warnings for Clang (Gustavo A. R. Silva)"
* tag 'fallthrough-fixes-clang-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
lib: Fix fall-through warnings for Clang
powerpc: fix -Wimplicit-fallthrough
Revert "lib: Revert use of fallthrough pseudo-keyword in lib/"
powerpc: boot: include compiler_attributes.h
This kunit update for Linux 5.11-rc1 consists of:
-- documentation update and fix to kunit_tool to parse diagnostic
messages correctly from David Gow
-- Support for Parameterized Testing and fs/ext4 test updates to use
KUnit parameterized testing feature from Arpitha Raghunandan
-- Helper to derive file names depending on --build_dir argument
from Andy Shevchenko
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Merge tag 'linux-kselftest-kunit-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kunit updates from Shuah Khan:
- documentation update and fix to kunit_tool to parse diagnostic
messages correctly from David Gow
- Support for Parameterized Testing and fs/ext4 test updates to use
KUnit parameterized testing feature from Arpitha Raghunandan
- Helper to derive file names depending on --build_dir argument from
Andy Shevchenko
* tag 'linux-kselftest-kunit-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
fs: ext4: Modify inode-test.c to use KUnit parameterized testing feature
kunit: Support for Parameterized Testing
kunit: kunit_tool: Correctly parse diagnostic messages
Documentation: kunit: provide guidance for testing many inputs
kunit: Introduce get_file_path() helper
This kselftest update for Linux 5.11-rc1 consists of:
- Much needed gpio test Makefile cleanup to various problems with
test dependencies and build errors from Michael Ellerman
- Enabling vDSO test on non x86 platforms from Vincenzo Frascino
- Fix intel_pstate to replace deprecated ftime() usages with
clock_gettime() from Tommi Rantala
- cgroup test build fix on older releases from Sachin Sant
- A couple of spelling mistake fixes
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Merge tag 'linux-kselftest-next-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest updates from Shuah Khan:
- Much needed gpio test Makefile cleanup to various problems with test
dependencies and build errors from Michael Ellerman
- Enabling vDSO test on non x86 platforms from Vincenzo Frascino
- Fix intel_pstate to replace deprecated ftime() usages with
clock_gettime() from Tommi Rantala
- cgroup test build fix on older releases from Sachin Sant
- A couple of spelling mistake fixes
* tag 'linux-kselftest-next-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/cgroup: Fix build on older distros
selftests/run_kselftest.sh: fix dry-run typo
tool: selftests: fix spelling typo of 'writting'
selftests/memfd: Fix implicit declaration warnings
selftests: intel_pstate: ftime() is deprecated
selftests/gpio: Add to CLEAN rule rather than overriding
selftests/gpio: Fix build when source tree is read only
selftests/gpio: Move include of lib.mk up
selftests/gpio: Use TEST_GEN_PROGS_EXTENDED
kselftest: Extend vdso correctness test to clock_gettime64
kselftest: Move test_vdso to the vDSO test suite
kselftest: Extend vDSO selftest to clock_getres
kselftest: Extend vDSO selftest
kselftest: Enable vDSO test on non x86 platforms
This Kselftest fixes update for Linux 5.11-rc1 consists of build error
fixes for clone3 and rseq tests.
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Merge tag 'linux-kselftest-fixes-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"Build fixes for clone3 and rseq tests"
* tag 'linux-kselftest-fixes-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/clone3: Fix build error
rseq/selftests: Fix MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ build error under other arch.
This cleans up two ancient timer features that were never completed in
the past, CONFIG_GENERIC_CLOCKEVENTS and CONFIG_ARCH_USES_GETTIMEOFFSET.
There was only one user left for the ARCH_USES_GETTIMEOFFSET variant
of clocksource implementations, the ARM EBSA110 platform. Rather than
changing to use modern timekeeping, we remove the platform entirely as
Russell no longer uses his machine and nobody else seems to have one
any more.
The conditional code for using arch_gettimeoffset() is removed as
a result.
For CONFIG_GENERIC_CLOCKEVENTS, there are still a couple of platforms
not using clockevent drivers: parisc, ia64, most of m68k, and one
Arm platform. These all do timer ticks slighly differently, and this
gets cleaned up to the point they at least all call the same helper
function. Instead of most platforms using 'select GENERIC_CLOCKEVENTS'
in Kconfig, the polarity is now reversed, with the few remaining ones
selecting LEGACY_TIMER_TICK instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-timers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic cross-architecture timer cleanup from Arnd Bergmann:
"This cleans up two ancient timer features that were never completed in
the past, CONFIG_GENERIC_CLOCKEVENTS and CONFIG_ARCH_USES_GETTIMEOFFSET.
There was only one user left for the ARCH_USES_GETTIMEOFFSET variant
of clocksource implementations, the ARM EBSA110 platform. Rather than
changing to use modern timekeeping, we remove the platform entirely as
Russell no longer uses his machine and nobody else seems to have one
any more.
The conditional code for using arch_gettimeoffset() is removed as a
result.
For CONFIG_GENERIC_CLOCKEVENTS, there are still a couple of platforms
not using clockevent drivers: parisc, ia64, most of m68k, and one Arm
platform. These all do timer ticks slighly differently, and this gets
cleaned up to the point they at least all call the same helper
function.
Instead of most platforms using 'select GENERIC_CLOCKEVENTS' in
Kconfig, the polarity is now reversed, with the few remaining ones
selecting LEGACY_TIMER_TICK instead"
* tag 'asm-generic-timers-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
timekeeping: default GENERIC_CLOCKEVENTS to enabled
timekeeping: remove xtime_update
m68k: remove timer_interrupt() function
m68k: change remaining timers to legacy_timer_tick
m68k: m68328: use legacy_timer_tick()
m68k: sun3/sun3c: use legacy_timer_tick
m68k: split heartbeat out of timer function
m68k: coldfire: use legacy_timer_tick()
parisc: use legacy_timer_tick
ARM: rpc: use legacy_timer_tick
ia64: convert to legacy_timer_tick
timekeeping: add CONFIG_LEGACY_TIMER_TICK
timekeeping: remove arch_gettimeoffset
net: remove am79c961a driver
ARM: remove ebsa110 platform
This is a cleanup series from Nicholas Piggin, preparing for
later changes. The asm/mmu_context.h header are generalized
and common code moved to asm-gneneric/mmu_context.h.
This saves a bit of code and makes it easier to change in
the future.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-mmu-context-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic mmu-context cleanup from Arnd Bergmann:
"This is a cleanup series from Nicholas Piggin, preparing for later
changes. The asm/mmu_context.h header are generalized and common code
moved to asm-gneneric/mmu_context.h.
This saves a bit of code and makes it easier to change in the future"
* tag 'asm-generic-mmu-context-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (25 commits)
h8300: Fix generic mmu_context build
m68k: mmu_context: Fix Sun-3 build
xtensa: use asm-generic/mmu_context.h for no-op implementations
x86: use asm-generic/mmu_context.h for no-op implementations
um: use asm-generic/mmu_context.h for no-op implementations
sparc: use asm-generic/mmu_context.h for no-op implementations
sh: use asm-generic/mmu_context.h for no-op implementations
s390: use asm-generic/mmu_context.h for no-op implementations
riscv: use asm-generic/mmu_context.h for no-op implementations
powerpc: use asm-generic/mmu_context.h for no-op implementations
parisc: use asm-generic/mmu_context.h for no-op implementations
openrisc: use asm-generic/mmu_context.h for no-op implementations
nios2: use asm-generic/mmu_context.h for no-op implementations
nds32: use asm-generic/mmu_context.h for no-op implementations
mips: use asm-generic/mmu_context.h for no-op implementations
microblaze: use asm-generic/mmu_context.h for no-op implementations
m68k: use asm-generic/mmu_context.h for no-op implementations
ia64: use asm-generic/mmu_context.h for no-op implementations
hexagon: use asm-generic/mmu_context.h for no-op implementations
csky: use asm-generic/mmu_context.h for no-op implementations
...
The updates to the new mount API created aliases for some
mount parms e.g.
esize, idsfromsid, modefromsid, signloosely
as
"min_enc_offload", "setuidfromacl", "modesid", "ignore_signature"
but did not add back in the original name expected by test cases
and current users. It also had incorrect names for a few
less used mount parms.
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
These are a couple of compiler warning fixes to make 'make W=2'
less noisy, as well as some fixes to code comments in asm-generic.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-cleanup-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic cleanups from Arnd Bergmann:
"These are a couple of compiler warning fixes to make 'make W=2' less
noisy, as well as some fixes to code comments in asm-generic"
* tag 'asm-generic-cleanup-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
syscalls: Fix file comments for syscalls implemented in kernel/sys.c
ctype.h: remove duplicate isdigit() helper
qspinlock: use signed temporaries for cmpxchg
asm-generic: fix ffs -Wshadow warning
asm-generic: percpu: avoid Wshadow warning
asm-generic/sembuf: Update architecture related information in comment
Merge yet more updates from Andrew Morton:
- lots of little subsystems
- a few post-linux-next MM material. Most of the rest awaits more
merging of other trees.
Subsystems affected by this series: alpha, procfs, misc, core-kernel,
bitmap, lib, lz4, checkpatch, nilfs, kdump, rapidio, gcov, bfs, relay,
resource, ubsan, reboot, fault-injection, lzo, apparmor, and mm (swap,
memory-hotplug, pagemap, cleanups, and gup).
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (86 commits)
mm: fix some spelling mistakes in comments
mm: simplify follow_pte{,pmd}
mm: unexport follow_pte_pmd
apparmor: remove duplicate macro list_entry_is_head()
lib/lzo/lzo1x_compress.c: make lzogeneric1x_1_compress() static
fault-injection: handle EI_ETYPE_TRUE
reboot: hide from sysfs not applicable settings
reboot: allow to override reboot type if quirks are found
reboot: remove cf9_safe from allowed types and rename cf9_force
reboot: allow to specify reboot mode via sysfs
reboot: refactor and comment the cpu selection code
lib/ubsan.c: mark type_check_kinds with static keyword
kcov: don't instrument with UBSAN
ubsan: expand tests and reporting
ubsan: remove UBSAN_MISC in favor of individual options
ubsan: enable for all*config builds
ubsan: disable UBSAN_TRAP for all*config
ubsan: disable object-size sanitizer under GCC
ubsan: move cc-option tests into Kconfig
ubsan: remove redundant -Wno-maybe-uninitialized
...
Merge __follow_pte_pmd, follow_pte_pmd and follow_pte into a single
follow_pte function and just pass two additional NULL arguments for the
two previous follow_pte callers.
[sfr@canb.auug.org.au: merge fix for "s390/pci: remove races against pte updates"]
Link: https://lkml.kernel.org/r/20201111221254.7f6a3658@canb.auug.org.au
Link: https://lkml.kernel.org/r/20201029101432.47011-3-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "simplify follow_pte a bit".
This small series drops the not needed follow_pte_pmd exports, and
simplifies the follow_pte family of functions a bit.
This patch (of 2):
follow_pte_pmd() is only used by the DAX code, which can't be modular.
Link: https://lkml.kernel.org/r/20201029101432.47011-2-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Strangely I hadn't had noticed the existence of the list_entry_is_head()
in apparmor code when added the same one in the list.h. Luckily it's
fully identical and didn't break builds. In any case we don't need a
duplicate anymore, thus remove it from apparmor code.
Link: https://lkml.kernel.org/r/20201208100639.88182-1-andriy.shevchenko@linux.intel.com
Fixes: e130816164e244 ("include/linux/list.h: add a macro to test if entry is pointing to the head")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: John Johansen <john.johansen@canonical.com>
Cc: James Morris <jmorris@namei.org>
Cc: "Serge E . Hallyn " <serge@hallyn.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix the following sparse warning:
lib/lzo/lzo1x_compress.c:304:5: warning: symbol 'lzogeneric1x_1_compress' was not declared. Should it be static?
Link: https://lkml.kernel.org/r/20201020031415.136874-1-yanaijie@huawei.com
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Cc: Dave Rodgman <dave.rodgman@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit af3b854492f351d1 ("mm/page_alloc.c: allow error injection")
introduced EI_ETYPE_TRUE, but did not extend
* lib/error-inject.c:error_type_string(), and
* kernel/fail_function.c:adjust_error_retval()
to accommodate for this change.
Handle EI_ETYPE_TRUE in both functions appropriately by
* returning "TRUE" in error_type_string(),
* adjusting the return value to true (1) in adjust_error_retval().
Furthermore, simplify the logic of handling EI_ETYPE_NULL in
adjust_error_retval().
Link: https://lkml.kernel.org/r/njB1czX0ZgWPR9h61euHIBb5bEyePw9D4D2m3i5lc9Cl96P8Q1308dTcmsEZW7Vtz3Ifz4do-rOtSfuFTyGoEDYokkK2aUqBePVptzZEWfU=@protonmail.com
Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
