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Callers can acheive the same thing by calling xfs_log_force_inode()
after making their modifications. There is no need for
xfs_update_prealloc_flags() to do this.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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When cross-building tools with clang, we run `which $(CROSS_COMPILE)gcc`
to detect whether a GCC toolchain provides the standard libraries. It is
only a helper because some distros put libraries where LLVM does not
automatically find them. On other systems, LLVM detects the libc
automatically and does not need this. There, it is completely fine not
to have a GCC at all, but some versions of `which' display an error when
the command is not found:
which: no aarch64-linux-gnu-gcc in ($PATH)
Since the error can safely be ignored, throw it to /dev/null.
Fixes: cebdb7374577 ("tools: Help cross-building with clang")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/bpf/20220201093119.1713207-1-jean-philippe@linaro.org
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Avoid unnecessary parsing of sids that have already been parsed via
selinux_sb_eat_lsm_opts().
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
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selinux_sb_mnt_opts_compat() is called under the sb_lock spinlock and
shouldn't be performing any memory allocations. Fix this by parsing the
sids at the same time we're chopping up the security mount options
string and then using the pre-parsed sids when doing the comparison.
Fixes: cc274ae7763d ("selinux: fix sleeping function called from invalid context")
Fixes: 69c4a42d72eb ("lsm,selinux: add new hook to compare new mount to an existing mount")
Signed-off-by: Scott Mayhew <smayhew@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
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Another fork of the DG2 design has appeared, known as "DG2-G12;" let's
add it as a new subplatform. As with G11, the GT stepping resets back
to A0 (so a DG2-G12 A0 is similar, but not identical, to a DG2-G10 C0)
but the display steppings continue to use the same numbering scheme as
G10 and G11.
Some existing DG2 workarounds are starting to be extended to the DG2-G12
subplatform. So far only workarounds that were "permanent" for both
DG2-G10 and DG2-G11 have been tagged for DG2-G12, but more
stepping-specific workarounds are likely to show up in the future.
Bspec: 44477
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220120235016.1209326-1-matthew.d.roper@intel.com
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Pull spi fixes from Mark Brown:
"There are quite a few fixes that have accumilated since the merge
window here, all driver specific and none super urgent, plus a new
device ID for the Rockchip driver"
* tag 'spi-fix-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: mediatek: Avoid NULL pointer crash in interrupt
spi: dt-bindings: Fix 'reg' child node schema
spi: bcm-qspi: check for valid cs before applying chip select
spi: uniphier: fix reference count leak in uniphier_spi_probe()
spi: meson-spicc: add IRQ check in meson_spicc_probe
spi: uniphier: Fix a bug that doesn't point to private data correctly
spi: change clk_disable_unprepare to clk_unprepare
spi: spi-rockchip: Add rk3568-spi compatible
spi: stm32: make SPI_MASTER_MUST_TX flags only specific to STM32F4
spi: stm32: remove inexistant variables in struct stm32_spi_cfg comment
spi: stm32-qspi: Update spi registering
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Pull regulator fixes from Mark Brown:
"A couple of very minor fixes for the regulator framework, nothing at
all urgent here"
* tag 'regulator-fix-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: MAX20086: add gpio/consumer.h
regulator: max20086: fix error code in max20086_parse_regulators_dt()
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Pull x86 platform driver fixes from Hans de Goede:
"This consists of various build- and bug-fixes as well as a few
hardware-id additions.
Highlights:
- Bunch of fixes for the new x86-android-tablets module
- Misc other fixes
- A couple of hw-id additions"
* tag 'platform-drivers-x86-v5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: thinkpad_acpi: Fix incorrect use of platform profile on AMD platforms
platform/x86: amd-pmc: Correct usage of SMU version
platform/x86: asus-tf103c-dock: Make 2 global structs static
platform/x86: amd-pmc: Make amd_pmc_stb_debugfs_fops static
platform/x86: ISST: Fix possible circular locking dependency detected
platform/x86: intel_crystal_cove_charger: Fix IRQ masking / unmasking
platform/x86: thinkpad_acpi: Add quirk for ThinkPads without a fan
platform/x86: touchscreen_dmi: Add info for the RWC NANOTE P8 AY07J 2-in-1
platform/surface: Reinstate platform dependency
platform/x86: x86-android-tablets: Trivial typo fix for MODULE_AUTHOR
platform/x86: x86-android-tablets: Fix the buttons on CZC P10T tablet
platform/x86: x86-android-tablets: Constify the gpiod_lookup_tables arrays
platform/x86: x86-android-tablets: Add an init() callback to struct x86_dev_info
platform/x86: x86-android-tablets: Add support for disabling ACPI _AEI handlers
platform/x86: x86-android-tablets: Correct crystal_cove_charger module name
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Give this structure a header to better explain its content.
Signed-off-by: David Girault <david.girault@qorvo.com>
[miquel.raynal@bootlin.com: Isolate this change from a bigger commit and
reword the comment]
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20220201180956.93581-1-miquel.raynal@bootlin.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
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The print function dev_err() is redundant because platform_get_irq()
already prints an error.
Eliminate the follow coccicheck warning:
./drivers/video/fbdev/pxa3xx-gcu.c:615:2-9: line 615 is redundant
because platform_get_irq() already prints an error
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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The print function dev_err() is redundant because platform_get_irq()
already prints an error.
Eliminate the follow coccicheck warning:
./drivers/video/fbdev/pxa168fb.c:621:2-9: line 621 is redundant because
platform_get_irq() already prints an error
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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Pull overlayfs fixes from Miklos Szeredi:
"Fix a regression introduced in v5.15, affecting copy up of files with
'noatime' or 'sync' attributes to a tmpfs upper layer"
* tag 'ovl-fixes-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: don't fail copy up if no fileattr support on upper
ovl: fix NULL pointer dereference in copy up warning
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At least one of the addresses will stop functioning after February.
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull unicode cleanup from Gabriel Krisman Bertazi:
"A fix from Christoph Hellwig merging the CONFIG_UNICODE_UTF8_DATA into
the previous CONFIG_UNICODE. It is -rc material since we don't want to
expose the former symbol on 5.17.
This has been living on linux-next for the past week"
* tag 'unicode-for-next-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/krisman/unicode:
unicode: clean up the Kconfig symbol confusion
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Pull audit fix from Paul Moore:
"A single audit patch to fix problems relating to audit queuing and
system responsiveness when "audit=1" is specified on the kernel
command line and the audit daemon is SIGSTOP'd for an extended period
of time"
* tag 'audit-pr-20220131' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: improve audit queue handling when "audit=1" on cmdline
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The recently added configuration option for Cortex A510 erratum 2051678 does
not have a "default y" unlike other errata fixes. This appears to simply be
an oversight since the help text suggests enabling the option if unsure and
there's nothing in the commit log to suggest it is intentional.
Fixes: 297ae1eb23b0 ("arm64: cpufeature: List early Cortex-A510 parts as having broken dbm")
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20220201144838.20037-1-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The Type C ACPI device on older Chromebooks is not generated correctly
(since their EC firmware doesn't support the new commands required). In
such cases, the crafted ACPI device doesn't have an EC parent, and it is
therefore not useful (it shouldn't be generated in the first place since
the EC firmware doesn't support any of the Type C commands).
To handle devices which use these older firmware revisions, check for
the parent EC device handle, and fail the probe if it's not found.
Fixes: fdc6b21e2444 ("platform/chrome: Add Type C connector class driver")
Reported-by: Alyssa Ross <hi@alyssa.is>
Reviewed-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Alyssa Ross <hi@alyssa.is>
Tested-by: Alyssa Ross <hi@alyssa.is>
Link: https://lore.kernel.org/r/20220126190219.3095419-1-pmalani@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>
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In kvm_arch_vcpu_ioctl_run() we enter an RCU extended quiescent state
(EQS) by calling guest_enter_irqoff(), and unmasked IRQs prior to
exiting the EQS by calling guest_exit(). As the IRQ entry code will not
wake RCU in this case, we may run the core IRQ code and IRQ handler
without RCU watching, leading to various potential problems.
Additionally, we do not inform lockdep or tracing that interrupts will
be enabled during guest execution, which caan lead to misleading traces
and warnings that interrupts have been enabled for overly-long periods.
This patch fixes these issues by using the new timing and context
entry/exit helpers to ensure that interrupts are handled during guest
vtime but with RCU watching, with a sequence:
guest_timing_enter_irqoff();
guest_state_enter_irqoff();
< run the vcpu >
guest_state_exit_irqoff();
< take any pending IRQs >
guest_timing_exit_irqoff();
Since instrumentation may make use of RCU, we must also ensure that no
instrumented code is run during the EQS. I've split out the critical
section into a new kvm_arm_enter_exit_vcpu() helper which is marked
noinstr.
Fixes: 1b3d546daf85ed2b ("arm/arm64: KVM: Properly account for guest CPU time")
Reported-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
Cc: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Paul E. McKenney <paulmck@kernel.org>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Message-Id: <20220201132926.3301912-3-mark.rutland@arm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Lorenzo Bianconi says:
====================
Deprecate xdp_cpumap, xdp_devmap and classifier sec definitions.
Update cpumap/devmap samples and kselftests.
Changes since v2:
- update warning log
- split libbpf and samples/kselftests changes
- deprecate classifier sec definition
Changes since v1:
- refer to Libbpf-1.0-migration-guide in the warning rised by libbpf
====================
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
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Substitute deprecated xdp_cpumap and xdp_devmap sec_name with
xdp/cpumap and xdp/devmap respectively.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/509201497c6c4926bc941f1cba24173cf500e760.1643727185.git.lorenzo@kernel.org
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Substitute deprecated xdp_cpumap and xdp_devmap sec_name with
xdp/cpumap and xdp/devmap respectively in bpf kselftests.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/9a4286cd36781e2c31ba3773bfdcf45cf1bbaa9e.1643727185.git.lorenzo@kernel.org
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Deprecate xdp_cpumap, xdp_devmap and classifier sec definitions.
Introduce xdp/devmap and xdp/cpumap definitions according to the
standard for SEC("") in libbpf:
- prog_type.prog_flags/attach_place
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/5c7bd9426b3ce6a31d9a4b1f97eb299e1467fc52.1643727185.git.lorenzo@kernel.org
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This reverts commit 363c4c3811db330dee9ce27dd3cee6f590d44e4c.
Since the point of this attribute is for a test, this should be done
in debugfs, not sysfs. Let's revert and a new patch can be added later
doing it in debugfs.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220201092152.1.Ibc65ec6fa05017e9856ba9ef557310268429c3ce@changeid
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Merge series from Stefan Binding <sbinding@opensource.cirrus.com>:
This series enhances the helpers for ACPI resources to cope with
multiple resources and exports them for use in the x86 platform code's
multi-instantiate driver.
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Some ACPI nodes may have more than one Spi Resource.
To be able to handle these case, its necessary to have
a way of counting these resources.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-5-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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If a node contains more than one SPI resource it may be necessary to
use an index to select which one you want to allocate a spi device for.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-4-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This can then be used to find a spi resource inside an
ACPI node, and allocate a spi device.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-3-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This functions were previously made private since they
were not used. However, these functions will be needed
again.
Partial revert of commit da21fde0fdb3
("spi: Make several public functions private to spi.c")
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-2-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The cgroup release_agent is called with call_usermodehelper. The function
call_usermodehelper starts the release_agent with a full set fo capabilities.
Therefore require capabilities when setting the release_agaent.
Reported-by: Tabitha Sable <tabitha.c.sable@gmail.com>
Tested-by: Tabitha Sable <tabitha.c.sable@gmail.com>
Fixes: 81a6a5cdd2c5 ("Task Control Groups: automatic userspace notification of idle cgroups")
Cc: stable@vger.kernel.org # v2.6.24+
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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Merge series from Stefan Binding <sbinding@opensource.cirrus.com>:
This series enhances the helpers for ACPI resources to cope with
multiple resources and exports them for use in the x86 platform code's
multi-instantiate driver.
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Christian reported a NULL pointer dereference in j721e_pcie_probe() caused
by 19e863828acf ("PCI: j721e: Drop redundant struct device *"), which
removed struct j721e_pcie.dev since there's another copy in struct
cdns_pcie.dev reachable via j721e_pcie->cdns_pcie->dev.
The problem is that j721e_pcie->cdns_pcie was dereferenced before being
initialized:
j721e_pcie_probe
pcie = devm_kzalloc() # struct j721e_pcie
j721e_pcie_ctrl_init(pcie)
dev = pcie->cdns_pcie->dev <-- dereference cdns_pcie
switch (mode) {
case PCI_MODE_RC:
cdns_pcie = ... # alloc as part of pci_host_bridge
pcie->cdns_pcie = cdns_pcie <-- initialize pcie->cdns_pcie
Move the cdns_pcie initialization earlier so it is done before it is used.
This also simplifies the error exits.
Fixes: 19e863828acf ("PCI: j721e: Drop redundant struct device *")
Link: https://lore.kernel.org/r/20220127222951.GA144828@bhelgaas
Link: https://lore.kernel.org/r/20220124122132.435743-1-christian.gmeiner@gmail.com
Reported-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Tested-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Handshake with CSME/AMT on none provisioned platforms during S0ix flow
is not supported on TGL platform and can cause to HW unit hang. Update
the handshake with CSME flow to start from the ADL platform.
Fixes: 3e55d231716e ("e1000e: Add handshake with the CSME to support S0ix")
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Nechama Kraus <nechamax.kraus@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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We have the same LAN controller on different PCH's. Separate ADP board
type from a TGP which will allow for specific fixes to be applied for
ADP platforms.
Suggested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Nechama Kraus <nechamax.kraus@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Fix the readahead conversion to correctly manage the last batch skipping
when reading from cache. This involves a readahead batch of one page or
one folio, so set the batch size according to the number of constituent
pages (should be 1 for a filesystem that doesn't do multipage folios yet).
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <smfrench@gmail.com>
Reviewed-by: Rohith Surabattula <rohiths.msft@gmail.com>
Reviewed-by: Shyam Prasad N <nspmangalore@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
Signed-off-by: Steve French <stfrench@microsoft.com>
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Recently we added generic "edp-panel"s probed by EDID. To support
panels in this way we look at the panel ID in the EDID and look up the
panel in a table that has power sequence timings. If we find a panel
that's not in the table we will still attempt to use it but we'll use
conservative timings. While it's likely that these conservative
timings will work for most nearly all panels, the performance of
turning the panel off and on suffers.
We'd like to be able to reliably detect the case that we're using the
hardcoded timings without relying on parsing dmesg. This allows us to
implement tests that ensure that no devices get shipped that are
relying on the conservative timings.
Let's add a new sysfs entry to panel devices. It will have one of:
* UNKNOWN - We tried to detect a panel but it wasn't in our table.
* HARDCODED - We're not using generic "edp-panel" probed by EDID.
* A panel name - This is the name of the panel from our table.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220125135406.1.I62322abf81dbc1a1b72392a093be0c767da9bf51@changeid
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Implement conditional logic in order to replace NULL pointer arithmetic.
The use of NULL pointer arithmetic was pointed out by clang with the
following warning:
fs/kernfs/file.c:128:15: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return NULL + !*ppos;
~~~~ ^
fs/seq_file.c:559:14: warning: performing pointer arithmetic on a
null pointer has undefined behavior [-Wnull-pointer-arithmetic]
return NULL + (*pos == 0);
Signed-off-by: Maíra Canal <maira.canal@usp.br>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Move cifs to using fscache DIO API instead of the old upstream I/O API as
that has been removed. This is a stopgap solution as the intention is that
at sometime in the future, the cache will move to using larger blocks and
won't be able to store individual pages in order to deal with the potential
for data corruption due to the backing filesystem being able insert/remove
bridging blocks of zeros into its extent list[1].
cifs then reads and writes cache pages synchronously and one page at a time.
The preferred change would be to use the netfs lib, but the new I/O API can
be used directly. It's just that as the cache now needs to track data for
itself, caching blocks may exceed page size...
This code is somewhat borrowed from my "fallback I/O" patchset[2].
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <smfrench@gmail.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: linux-cifs@vger.kernel.org
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/YO17ZNOcq+9PajfQ@mit.edu [1]
Link: https://lore.kernel.org/r/202112100957.2oEDT20W-lkp@intel.com/ [2]
Acked-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Add a netfs_cache_ops method by which a network filesystem can ask the
cache about what data it has available and where so that it can make a
multipage read more efficient.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cachefs@redhat.com
Acked-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Rohith Surabattula <rohiths@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Transition the cifs filesystem from using the old ->readpages() method to
using the new ->readahead() method.
For the moment, this removes any invocation of fscache to read data from
the local cache, leaving that to another patch.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <smfrench@gmail.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Matthew Wilcox <willy@infradead.org>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-cachefs@redhat.com
Reviewed-by: Rohith Surabattula <rohiths@microsoft.com>
Acked-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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Some ACPI nodes may have more than one Spi Resource.
To be able to handle these case, its necessary to have
a way of counting these resources.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-5-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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If a node contains more than one SPI resource it may be necessary to
use an index to select which one you want to allocate a spi device for.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-4-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This can then be used to find a spi resource inside an
ACPI node, and allocate a spi device.
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-3-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This functions were previously made private since they
were not used. However, these functions will be needed
again.
Partial revert of commit da21fde0fdb3
("spi: Make several public functions private to spi.c")
Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220121172431.6876-2-sbinding@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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This one is pretty straight forward to switch over, the driver
already relies on inspecting cs_gpio just check cs_gpiod instead
and stop the special handling of requesting the GPIO and stuff
the core will take care of.
Cc: Lukas Wunner <lukas@wunner.de>
Cc: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220201012956.563272-1-linus.walleij@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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This switches the ST SSC SPI controller to use GPIO
descriptors from the core instead of GPIO numbers.
It is already using the core parsing of GPIO numbers
so the switch is pretty straight-forward.
Cc: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220201012654.562578-1-linus.walleij@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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To pick the changes in:
9a10064f5625d557 ("mm: add a field to store names for private anonymous memory")
That don't result in any changes in tooling:
$ tools/perf/trace/beauty/prctl_option.sh > before
$ cp include/uapi/linux/prctl.h tools/include/uapi/linux/prctl.h
$ tools/perf/trace/beauty/prctl_option.sh > after
$ diff -u before after
$
This actually adds a new prctl arg, but it has to be dealt with
differently, as it is not in sequence with the other arguments.
Just silences this perf tools build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h'
diff -u tools/include/uapi/linux/prctl.h include/uapi/linux/prctl.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Colin Cross <ccross@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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This new PR_SET_VMA value isn't in sequence with all the other prctl
arguments and instead uses a big, 0x prefixed hex number: 0x53564d41 (S V M A).
This makes it harder to generate a string table as it would be rather
sparse, so make the regexp more stricter to avoid catching those.
A followup patch for 'perf trace' to cope with such oddities will be
needed, but then its a matter for the next merge window.
The next patch will update the prctl.h file to cope with this perf build
warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h'
diff -u tools/include/uapi/linux/prctl.h include/uapi/linux/prctl.h
Here is the output of this script:
$ tools/perf/trace/beauty/prctl_option.sh
static const char *prctl_options[] = {
[1] = "SET_PDEATHSIG",
[2] = "GET_PDEATHSIG",
[3] = "GET_DUMPABLE",
[4] = "SET_DUMPABLE",
[5] = "GET_UNALIGN",
[6] = "SET_UNALIGN",
[7] = "GET_KEEPCAPS",
[8] = "SET_KEEPCAPS",
[9] = "GET_FPEMU",
[10] = "SET_FPEMU",
[11] = "GET_FPEXC",
[12] = "SET_FPEXC",
[13] = "GET_TIMING",
[14] = "SET_TIMING",
[15] = "SET_NAME",
[16] = "GET_NAME",
[19] = "GET_ENDIAN",
[20] = "SET_ENDIAN",
[21] = "GET_SECCOMP",
[22] = "SET_SECCOMP",
[23] = "CAPBSET_READ",
[24] = "CAPBSET_DROP",
[25] = "GET_TSC",
[26] = "SET_TSC",
[27] = "GET_SECUREBITS",
[28] = "SET_SECUREBITS",
[29] = "SET_TIMERSLACK",
[30] = "GET_TIMERSLACK",
[31] = "TASK_PERF_EVENTS_DISABLE",
[32] = "TASK_PERF_EVENTS_ENABLE",
[33] = "MCE_KILL",
[34] = "MCE_KILL_GET",
[35] = "SET_MM",
[36] = "SET_CHILD_SUBREAPER",
[37] = "GET_CHILD_SUBREAPER",
[38] = "SET_NO_NEW_PRIVS",
[39] = "GET_NO_NEW_PRIVS",
[40] = "GET_TID_ADDRESS",
[41] = "SET_THP_DISABLE",
[42] = "GET_THP_DISABLE",
[43] = "MPX_ENABLE_MANAGEMENT",
[44] = "MPX_DISABLE_MANAGEMENT",
[45] = "SET_FP_MODE",
[46] = "GET_FP_MODE",
[47] = "CAP_AMBIENT",
[50] = "SVE_SET_VL",
[51] = "SVE_GET_VL",
[52] = "GET_SPECULATION_CTRL",
[53] = "SET_SPECULATION_CTRL",
[54] = "PAC_RESET_KEYS",
[55] = "SET_TAGGED_ADDR_CTRL",
[56] = "GET_TAGGED_ADDR_CTRL",
[57] = "SET_IO_FLUSHER",
[58] = "GET_IO_FLUSHER",
[59] = "SET_SYSCALL_USER_DISPATCH",
[60] = "PAC_SET_ENABLED_KEYS",
[61] = "PAC_GET_ENABLED_KEYS",
[62] = "SCHED_CORE",
};
static const char *prctl_set_mm_options[] = {
[1] = "START_CODE",
[2] = "END_CODE",
[3] = "START_DATA",
[4] = "END_DATA",
[5] = "START_STACK",
[6] = "START_BRK",
[7] = "BRK",
[8] = "ARG_START",
[9] = "ARG_END",
[10] = "ENV_START",
[11] = "ENV_END",
[12] = "AUXV",
[13] = "EXE_FILE",
[14] = "MAP",
[15] = "MAP_SIZE",
};
$
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Colin Cross <ccross@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Link: https://lore.kernel.org/lkml/YflZqY0rYQ3d1bKt@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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ASoC: Fixes for v5.17
Quite a few fixes here, including an unusually large set in the core
spurred on by various testing efforts as well as the usual small driver
fixes. There are quite a few fixes for out of bounds writes in both the
core and the various Qualcomm drivers, plus a couple of fixes for
locking in the DPCM code.
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PPIN is the Protected Processor Identification Number.
This is used to identify the socket as a Field Replaceable Unit (FRU).
Existing code only displays this when reporting errors. But this makes
it inconvenient for large clusters to use it for its intended purpose
of inventory control.
Add ppin to /sys/devices/system/cpu/cpu*/topology to make what
is already available using RDMSR more easily accessible. Make
the file read only for root in case there are still people
concerned about making a unique system "serial number" available.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220131230111.2004669-6-tony.luck@intel.com
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All the simple (non-mask and non-list files in
/sys/devices/system/cpu/cpu0/topology/ are currently printed as decimal
integers.
Refactor the macro that generates the "show" functions to take a format
parameter to allow future files to display in other formats.
No functional change.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20220131230111.2004669-5-tony.luck@intel.com
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Dave Chinner
Jean-Philippe Brucker
Scott Mayhew
Matt Roper
Linus Torvalds
David Girault
Yang Li
Christian Brauner
Mark Brown
Prashant Malani
Mark Rutland
Andrii Nakryiko
Lorenzo Bianconi
Douglas Anderson
Stefan Binding
Eric W. Biederman
Bjorn Helgaas
Sasha Neftin
David Howells
Maíra Canal
Linus Walleij
Arnaldo Carvalho de Melo
Takashi Iwai
Tony Luck