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Merge tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
- Fix an off-by-one in a BUILD_BUG_ON() check. Not a real issue right
now as we have plenty of flags left, but could become one. (Hao)
- Fix lockdep issue introduced in this merge window (me)
- Fix a few issues with the worker creation (me, Pavel, Qiang)
- Fix regression with wq_has_sleeper() for IOPOLL (Pavel)
- Timeout link error propagation fix (Pavel)
* tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block:
io_uring: fix off-by-one in BUILD_BUG_ON check of __REQ_F_LAST_BIT
io_uring: fail links of cancelled timeouts
io-wq: fix memory leak in create_io_worker()
io-wq: fix silly logic error in io_task_work_match()
io_uring: drop ctx->uring_lock before acquiring sqd->lock
io_uring: fix missing mb() before waitqueue_active
io-wq: fix cancellation on create-worker failure
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Merge tag 'block-5.15-2021-09-11' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph:
- fix nvmet command set reporting for passthrough controllers (Adam Manzanares)
- update a MAINTAINERS email address (Chaitanya Kulkarni)
- set QUEUE_FLAG_NOWAIT for nvme-multipth (me)
- handle errors from add_disk() (Luis Chamberlain)
- update the keep alive interval when kato is modified (Tatsuya Sasaki)
- fix a buffer overrun in nvmet_subsys_attr_serial (Hannes Reinecke)
- do not reset transport on data digest errors in nvme-tcp (Daniel Wagner)
- only call synchronize_srcu when clearing current path (Daniel Wagner)
- revalidate paths during rescan (Hannes Reinecke)
- Split out the fs/block_dev into block/fops.c and block/bdev.c, which
has been long overdue. Do this now before -rc1, to avoid annoying
conflicts due to this (Christoph)
- blk-throtl use-after-free fix (Li)
- Improve plug depth for multi-device plugs, greatly increasing md
resync performance (Song)
- blkdev_show() locking fix (Tetsuo)
- n64cart error check fix (Yang)
* tag 'block-5.15-2021-09-11' of git://git.kernel.dk/linux-block:
n64cart: fix return value check in n64cart_probe()
blk-mq: allow 4x BLK_MAX_REQUEST_COUNT at blk_plug for multiple_queues
block: move fs/block_dev.c to block/bdev.c
block: split out operations on block special files
blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()
block: genhd: don't call blkdev_show() with major_names_lock held
nvme: update MAINTAINERS email address
nvme: add error handling support for add_disk()
nvme: only call synchronize_srcu when clearing current path
nvme: update keep alive interval when kato is modified
nvme-tcp: Do not reset transport on data digest errors
nvmet: fixup buffer overrun in nvmet_subsys_attr_serial()
nvmet: return bool from nvmet_passthru_ctrl and nvmet_is_passthru_req
nvmet: looks at the passthrough controller when initializing CAP
nvme: move nvme_multi_css into nvme.h
nvme-multipath: revalidate paths during rescan
nvme-multipath: set QUEUE_FLAG_NOWAIT
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Merge tag 'libata-5.15-2021-09-11' of git://git.kernel.dk/linux-block
Pull libata maintainer update from Jens Axboe:
"Damien agreed to take over maintainership of libata, and he would be a
great candidate for it. Update the MAINTAINERS entry to reflect the
change in maintainer and git tree"
* tag 'libata-5.15-2021-09-11' of git://git.kernel.dk/linux-block:
libata: pass over maintainership to Damien Le Moal
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Merge tag 'trace-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing fixes from Steven Rostedt:
"Minor fixes to the processing of the bootconfig tree"
* tag 'trace-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
bootconfig: Rename xbc_node_find_child() to xbc_node_find_subkey()
tracing/boot: Fix to check the histogram control param is a leaf node
tracing/boot: Fix trace_boot_hist_add_array() to check array is value
- Disable fw_devlinks on x86 DT platforms to fix OLPC
- More replacing oneOf+const with enum on a few new schemas
- Drop unnecessary type references on Xilinx SPI binding schema
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Merge tag 'devicetree-fixes-for-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Disable fw_devlinks on x86 DT platforms to fix OLPC
- More replacing oneOf+const with enum on a few new schemas
- Drop unnecessary type references on Xilinx SPI binding schema
* tag 'devicetree-fixes-for-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
spi: dt-bindings: xilinx: Drop type reference on *-bits properties
dt-bindings: More use 'enum' instead of 'oneOf' plus 'const' entries
of: property: Disable fw_devlink DT support for X86
Subsystem:
- Switch to Neri and Schneider time conversion algorithm
Drivers:
- rx8025: add rx8035 support
- s5m: modernize driver and set range
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Merge tag 'rtc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"The broken down time conversion is similar to what is done in the time
subsystem since v5.14. The rest is fairly straightforward.
Subsystem:
- Switch to Neri and Schneider time conversion algorithm
Drivers:
- rx8025: add rx8035 support
- s5m: modernize driver and set range"
* tag 'rtc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: rx8010: select REGMAP_I2C
dt-bindings: rtc: add Epson RX-8025 and RX-8035
rtc: rx8025: implement RX-8035 support
rtc: cmos: remove stale REVISIT comments
rtc: tps65910: Correct driver module alias
rtc: move RTC_LIB_KUNIT_TEST to proper location
rtc: lib_test: add MODULE_LICENSE
rtc: Improve performance of rtc_time64_to_tm(). Add tests.
rtc: s5m: set range
rtc: s5m: enable wakeup only when available
rtc: s5m: signal the core when alarm are not available
rtc: s5m: switch to devm_rtc_allocate_device
- Migrate the bus snooper driver 'nosy' from PCI to DMA API.
- Small janitorial cleanup in the IPv4/v6-over-1394 driver.
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Merge tag 'firewire-update' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Stefan Richter:
- Migrate the bus snooper driver 'nosy' from PCI to DMA API
- Small janitorial cleanup in the IPv4/v6-over-1394 driver
[ The 'nosy' change already come in as a different commit through Greg
KH in the misc tree back in the previous merge window, so only the
cleanup ends up being new to 5.15 - Linus ]
* tag 'firewire-update' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: nosy: switch from 'pci_' to 'dma_' API
firewire: net: remove unused variable 'guid'
The changes this time around are mostly janitorial in nature. A lot of
this is simplifications of drivers using device-managed functions and
improving compilation coverage.
The Mediatek display PWM driver now supports the atomic API.
Cleanups and minor fixes make up the remainder of this set.
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Merge tag 'pwm/for-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"The changes this time around are mostly janitorial in nature. A lot of
this is simplifications of drivers using device-managed functions and
improving compilation coverage.
The Mediatek display PWM driver now supports the atomic API.
Cleanups and minor fixes make up the remainder of this set"
* tag 'pwm/for-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (54 commits)
pwm: mtk-disp: Implement atomic API .get_state()
pwm: mtk-disp: Fix overflow in period and duty calculation
pwm: mtk-disp: Implement atomic API .apply()
pwm: mtk-disp: Adjust the clocks to avoid them mismatch
dt-bindings: pwm: rockchip: Add description for rk3568
pwm: Make pwmchip_remove() return void
pwm: sun4i: Don't check the return code of pwmchip_remove()
pwm: sifive: Don't check the return code of pwmchip_remove()
pwm: samsung: Don't check the return code of pwmchip_remove()
pwm: renesas-tpu: Don't check the return code of pwmchip_remove()
pwm: rcar: Don't check the return code of pwmchip_remove()
pwm: pca9685: Don't check the return code of pwmchip_remove()
pwm: omap-dmtimer: Don't check the return code of pwmchip_remove()
pwm: mtk-disp: Don't check the return code of pwmchip_remove()
pwm: imx-tpm: Don't check the return code of pwmchip_remove()
pwm: img: Don't check the return code of pwmchip_remove()
pwm: cros-ec: Don't check the return code of pwmchip_remove()
pwm: brcmstb: Don't check the return code of pwmchip_remove()
pwm: atmel-tcb: Don't check the return code of pwmchip_remove()
pwm: atmel-hlcdc: Don't check the return code of pwmchip_remove()
...
tegra by adding a dependency on ARCH_TEGRA along with COMPILE_TEST
(Dmitry Osipenko)
- Fix the error code for the exynos when devm_get_clk() fails (Dan
Carpenter)
- Add the TCC cooling support for AlderLake platform (Sumeet Pawnikar)
- Add support for hardware trip points for the rcar gen3 thermal
driver and store TSC id as unsigned int (Niklas Söderlund)
- Replace the deprecated CPU-hotplug functions get_online_cpus() and
put_online_cpus (Sebastian Andrzej Siewior)
- Add the thermal tools directory in the MAINTAINERS file (Daniel
Lezcano)
- Fix the Makefile and the cross compilation flags for the userspace
'tmon' tool (Rolf Eike Beer)
- Allow to use the IMOK independently from the GDDV on Int340x (Sumeet
Pawnikar)
- Fix the stub thermal_cooling_device_register() function prototype
which does not match the real function (Arnd Bergmann)
- Make the thermal trip point optional in the DT bindings (Maxime
Ripard)
- Fix a typo in a comment in the core code (Geert Uytterhoeven)
- Reduce the verbosity of the trace in the SoC thermal tegra driver
(Dmitry Osipenko)
- Add the support for the LMh (Limit Management hardware) driver on
the QCom platforms (Thara Gopinath)
- Allow processing of HWP interrupt by adding a weak function in the
Intel driver (Srinivas Pandruvada)
- Prevent an abort of the sensor probe is a channel is not used
(Matthias Kaehlcke)
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Merge tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal updates from Daniel Lezcano:
- Add the tegra3 thermal sensor and fix the compilation testing on
tegra by adding a dependency on ARCH_TEGRA along with COMPILE_TEST
(Dmitry Osipenko)
- Fix the error code for the exynos when devm_get_clk() fails (Dan
Carpenter)
- Add the TCC cooling support for AlderLake platform (Sumeet Pawnikar)
- Add support for hardware trip points for the rcar gen3 thermal driver
and store TSC id as unsigned int (Niklas Söderlund)
- Replace the deprecated CPU-hotplug functions get_online_cpus() and
put_online_cpus (Sebastian Andrzej Siewior)
- Add the thermal tools directory in the MAINTAINERS file (Daniel
Lezcano)
- Fix the Makefile and the cross compilation flags for the userspace
'tmon' tool (Rolf Eike Beer)
- Allow to use the IMOK independently from the GDDV on Int340x (Sumeet
Pawnikar)
- Fix the stub thermal_cooling_device_register() function prototype
which does not match the real function (Arnd Bergmann)
- Make the thermal trip point optional in the DT bindings (Maxime
Ripard)
- Fix a typo in a comment in the core code (Geert Uytterhoeven)
- Reduce the verbosity of the trace in the SoC thermal tegra driver
(Dmitry Osipenko)
- Add the support for the LMh (Limit Management hardware) driver on the
QCom platforms (Thara Gopinath)
- Allow processing of HWP interrupt by adding a weak function in the
Intel driver (Srinivas Pandruvada)
- Prevent an abort of the sensor probe is a channel is not used
(Matthias Kaehlcke)
* tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal/drivers/qcom/spmi-adc-tm5: Don't abort probing if a sensor is not used
thermal/drivers/intel: Allow processing of HWP interrupt
dt-bindings: thermal: Add dt binding for QCOM LMh
thermal/drivers/qcom: Add support for LMh driver
firmware: qcom_scm: Introduce SCM calls to access LMh
thermal/drivers/tegra-soctherm: Silence message about clamped temperature
thermal: Spelling s/scallbacks/callbacks/
dt-bindings: thermal: Make trips node optional
thermal/core: Fix thermal_cooling_device_register() prototype
thermal/drivers/int340x: Use IMOK independently
tools/thermal/tmon: Add cross compiling support
thermal/tools/tmon: Improve the Makefile
MAINTAINERS: Add missing userspace thermal tools to the thermal section
thermal/drivers/intel_powerclamp: Replace deprecated CPU-hotplug functions.
thermal/drivers/rcar_gen3_thermal: Store TSC id as unsigned int
thermal/drivers/rcar_gen3_thermal: Add support for hardware trip points
drivers/thermal/intel: Add TCC cooling support for AlderLake platform
thermal/drivers/exynos: Fix an error code in exynos_tmu_probe()
thermal/drivers/tegra: Correct compile-testing of drivers
thermal/drivers/tegra: Add driver for Tegra30 thermal sensor
Pull input updates from Dmitry Torokhov:
- several device tree bindings for input devices have been converted to
yaml
- dropped no longer used ixp4xx-beeper and CSR Prima2 PWRC drivers
- analog joystick has been converted to use ktime API and no longer
warn about low resolution timers
- a few driver fixes
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (24 commits)
Input: analog - always use ktime functions
Input: mms114 - support MMS134S
Input: elan_i2c - reduce the resume time for controller in Whitebox
Input: edt-ft5x06 - added case for EDT EP0110M09
Input: adc-keys - drop bogus __refdata annotation
Input: Fix spelling mistake in Kconfig "useable" -> "usable"
Input: Fix spelling mistake in Kconfig "Modul" -> "Module"
Input: remove dead CSR Prima2 PWRC driver
Input: adp5589-keys - use the right header
Input: adp5588-keys - use the right header
dt-bindings: input: tsc2005: Convert to YAML schema
Input: ep93xx_keypad - prepare clock before using it
dt-bindings: input: sun4i-lradc: Add wakeup-source
dt-bindings: input: Convert Regulator Haptic binding to a schema
dt-bindings: input: Convert Pixcir Touchscreen binding to a schema
dt-bindings: input: Convert ChipOne ICN8318 binding to a schema
Input: pm8941-pwrkey - fix comma vs semicolon issue
dt-bindings: power: reset: qcom-pon: Convert qcom PON binding to yaml
dt-bindings: input: pm8941-pwrkey: Convert pm8941 power key binding to yaml
dt-bindings: power: reset: Change 'additionalProperties' to true
...
_ex_table section is read-only, so move it to RO_DATA.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Enable BUILDTIME_TABLE_SORT to sort the exception table at build time
rather than during boot.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Currently, nothing is output on the serial console, unless
"console=ttyS0,115200n8" or "earlycon" are appended to the kernel
command line. Enable automatic console selection using
chosen/stdout-path by adding a proper alias, and configure the expected
serial rate.
While at it, add aliases for the other three serial ports, which are
provided on the same micro-USB connector as the first one.
Fixes: 0fa6107eca ("RISC-V: Initial DTS for Microchip ICICLE board")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Currently, the (z)install targets in arch/riscv/Makefile descend into
arch/riscv/boot/Makefile to invoke the shell script, but there is no
good reason to do so.
arch/riscv/Makefile can run the shell script directly.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This enlarges the bits availiable for stack randomisation on RV64 from
the default of 8MiB to 1GiB, to match arm64 and x86.
Also, update the documentation to reflect our support for stack
randomisation.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
[Palmer: commit text]
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
The EFI system partition uses the FAT file system. Many distributions add
an entry in /etc/fstab for the ESP. We must ensure that mounting does not
fail.
The default code page for FAT is 437 (cf. CONFIG_FAT_DEFAULT_CODEPAGE).
The default IO character set is "iso8859-1" (cf. CONFIG_NLS_ISO8859_1).
So let's enable NLS_CODEPAGE_437 and NLS_ISO8859_1 in defconfig.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
NVMe is a non-volatile storage media attached via PCIe.
As NVMe has much higher throughput than other block devices like
SATA it is a must have for RISC-V. Enable CONFIG_BLK_DEV_NVME.
The HiFive Unmatched is a board providing M.2 slots for NVMe drives.
Enable CONFIG_PCIE_FU740.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Dave stumbled over the incomplete and confusing documentation of the CPU
hotplug API.
Rewrite it, add the missing function documentations and correct the
existing ones.
Reported-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210909123212.489059409@linutronix.de
The functions get_online_cpus() and put_online_cpus() have been
deprecated during the CPU hotplug rework. They map directly to
cpus_read_lock() and cpus_read_unlock().
Replace deprecated CPU-hotplug functions with the official version.
The behavior remains unchanged.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20210803141621.780504-20-bigeasy@linutronix.de
Ensure that all usage sites of get/put_online_cpus() except for the
struggler in drivers/thermal are gone. So the last user and the deprecated
inlines can be removed.
The btf__get_from_id() function was deprecated in favour of
btf__load_from_kernel_by_id(), but it is still avaiable, so use it to
provide a weak function btf__load_from_kernel_by_id() for older libbpf
when building perf with LIBBPF_DYNAMIC=1, i.e. using the system's libbpf
package.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes from:
9ffb14ef61 ("move_mount: allow to add a mount into an existing group")
That ends up adding support for the new MOVE_MOUNT_SET_GROUP move_mount
flag.
$ tools/perf/trace/beauty/move_mount_flags.sh > before
$ cp include/uapi/linux/mount.h tools/include/uapi/linux/mount.h
$ tools/perf/trace/beauty/move_mount_flags.sh > after
$ diff -u before after
--- before 2021-09-10 12:28:43.865279808 -0300
+++ after 2021-09-10 12:28:50.183429184 -0300
@@ -5,4 +5,5 @@
[ilog2(0x00000010) + 1] = "T_SYMLINKS",
[ilog2(0x00000020) + 1] = "T_AUTOMOUNTS",
[ilog2(0x00000040) + 1] = "T_EMPTY_PATH",
+ [ilog2(0x00000100) + 1] = "SET_GROUP",
};
$
So now one can use it in --filter expressions for tracepoints.
This silences this perf build warnings:
Warning: Kernel ABI header at 'tools/include/uapi/linux/mount.h' differs from latest version at 'include/uapi/linux/mount.h'
diff -u tools/include/uapi/linux/mount.h include/uapi/linux/mount.h
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Previously the regext expected MOVE_MOUNT_[FT]_*, but in the next patch
a flag that doesn't match that expression will be added, MOVE_MOUNT_SET_GROUP
To make this more future proof, take advantage of the fact that the only
one we don't need to cover is MOVE_MOUNT__MASK and use MOVE_MOUNT_[^_]+_*_.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
433c38f40f ("arm64: mte: change ASYNC and SYNC TCF settings into bitfields")
e893bb1bb4 ("x86, prctl: Hook L1D flushing in via prctl")
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
$
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: Balbir Singh <sblbir@amazon.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Peter Collingbourne <pcc@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Picking the changes from:
81be109349 ("ALSA: pcm: Add SNDRV_PCM_INFO_EXPLICIT_SYNC flag")
Which entails no changes in the tooling side as it doesn't introduce new
ioctls.
To silence this perf tools build warning:
Warning: Kernel ABI header at 'tools/include/uapi/sound/asound.h' differs from latest version at 'include/uapi/sound/asound.h'
diff -u tools/include/uapi/sound/asound.h include/uapi/sound/asound.h
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
f95937ccf5 ("KVM: stats: Support linear and logarithmic histogram statistics")
f0376edb1d ("KVM: arm64: Add ioctl to fetch/store tags in a guest")
ea7fc1bb1c ("KVM: arm64: Introduce MTE VM feature")
That just rebuilds perf, as these patches don't add any new KVM ioctl to
be harvested for the the 'perf trace' ioctl syscall argument
beautifiers.
This is also by now used by tools/testing/selftests/kvm/, so that will
pick the new KVM_STATS_TYPE_LINEAR_HIST and KVM_STATS_TYPE_LOG_HIST
defines.
This silences this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/kvm.h' differs from latest version at 'include/uapi/linux/kvm.h'
diff -u tools/include/uapi/linux/kvm.h include/uapi/linux/kvm.h
Cc: Jing Zhang <jingzhangos@google.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Steven Price <steven.price@arm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in:
61e5f69ef0 ("KVM: x86: implement KVM_GUESTDBG_BLOCKIRQ")
That just rebuilds kvm-stat.c on x86, no change in functionality.
This silences these perf build warning:
Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h'
diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
Cc: Maxim Levitsky <mlevitsk@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Perf records IBS (Instruction Based Sampling) extra sample data when
'perf record --raw-samples' is used with an IBS-compatible event, on a
machine that supports IBS. IBS support is indicated in
CPUID_Fn80000001_ECX bit #10.
Up until now, users have been able to see the extra sample data solely
in raw hex format using 'perf report --dump-raw-trace'. From there,
users could decode the data either manually, or by using an external
script.
Enable the built-in 'perf report --dump-raw-trace' to do the decoding of
the extra sample data bits, so manual or external script decoding isn't
necessary.
Example usage:
$ sudo perf record -c 10000001 -a --raw-samples -e ibs_fetch/rand_en=1/,ibs_op/cnt_ctl=1/ -C 0,1 taskset -c 0,1 7za b -mmt2 | perf report --dump-raw-trace
Stdout contains IBS Fetch samples, e.g.:
ibs_fetch_ctl: 02170007ffffffff MaxCnt 1048560 Cnt 1048560 Lat 7 En 1 Val 1 Comp 1 IcMiss 0 PhyAddrValid 1 L1TlbPgSz 4KB L1TlbMiss 0 L2TlbMiss 0 RandEn 1 L2Miss 0
IbsFetchLinAd: 000056016b2ead40
IbsFetchPhysAd: 000000115cedfd40
c_ibs_ext_ctl: 0000000000000000 IbsItlbRefillLat 0
..and IBS Op samples, e.g.:
ibs_op_ctl: 0000009e009e8968 MaxCnt 10000000 En 1 Val 1 CntCtl 1=uOps CurCnt 158
IbsOpRip: 000056016b2ea73d
ibs_op_data: 00000000000b0002 CompToRetCtr 2 TagToRetCtr 11 BrnRet 0 RipInvalid 0 BrnFuse 0 Microcode 0
ibs_op_data2: 0000000000000002 CacheHitSt 0=M-state RmtNode 0 DataSrc 2=Local node cache
ibs_op_data3: 0000000000c60002 LdOp 0 StOp 1 DcL1TlbMiss 0 DcL2TlbMiss 0 DcL1TlbHit2M 0 DcL1TlbHit1G 0 DcL2TlbHit2M 0 DcMiss 0 DcMisAcc 0 DcWcMemAcc 0 DcUcMemAcc 0 DcLockedOp 0 DcMissNoMabAlloc 0 DcLinAddrValid 1 DcPhyAddrValid 1 DcL2TlbHit1G 0 L2Miss 0 SwPf 0 OpMemWidth 4 bytes OpDcMissOpenMemReqs 0 DcMissLat 0 TlbRefillLat 0
IbsDCLinAd: 00007f133c319ce0
IbsDCPhysAd: 0000000270485ce0
Committer notes:
Fixed up this:
util/amd-sample-raw.c: In function ‘evlist__amd_sample_raw’:
util/amd-sample-raw.c:125:42: error: ‘ bytes’ directive output may be truncated writing 6 bytes into a region of size between 4 and 7 [-Werror=format-truncation=]
125 | " OpMemWidth %2d bytes", 1 << (reg.op_mem_width - 1));
| ^~~~~~
In file included from /usr/include/stdio.h:866,
from util/amd-sample-raw.c:7:
/usr/include/bits/stdio2.h:71:10: note: ‘__builtin___snprintf_chk’ output between 21 and 24 bytes into a destination of size 21
71 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
72 | __glibc_objsize (__s), __fmt,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
73 | __va_arg_pack ());
| ~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
As that %2d won't limit the number of chars to 2, just state that 2 is
the minimal width:
$ cat printf.c
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[])
{
char bf[64];
int len = snprintf(bf, sizeof(bf), "%2d", atoi(argv[1]));
printf("strlen(%s): %u\n", bf, len);
return 0;
}
$ ./printf 1
strlen( 1): 2
$ ./printf 12
strlen(12): 2
$ ./printf 123
strlen(123): 3
$ ./printf 1234
strlen(1234): 4
$ ./printf 12345
strlen(12345): 5
$ ./printf 123456
strlen(123456): 6
$
And since we probably don't want that output to be truncated, just
assume the worst case, as the compiler did, and add a few more chars to
that buffer.
Also use sizeof(var) instead of sizeof(dup-of-wanted-format-string) to
avoid bugs when changing one but not the other.
I also had to change this:
-#include <asm/amd-ibs.h>
+#include "../../arch/x86/include/asm/amd-ibs.h"
To make it build on other architectures, just like intel-pt does.
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https //lore.kernel.org/r/20210817221509.88391-4-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This is a tools/-side patch for the patch that adds the original copy
of the IBS header file, in arch/x86/include/asm/.
We also add an entry to check-headers.sh, so future changes continue
to be copied.
Committer notes:
Had to add this
-#include <asm/msr-index.h>
+#include "msr-index.h"
And change the check-headers.sh entry to ignore this line when diffing
with the original kernel header.
This is needed so that we can use 'perf report' on a perf.data with IBS
data on a !x86 system, i.e. building on ARM fails without this as there
is no asm/msr-index.h there.
This was done on the next patch in this series and is done for things
like Intel PT and ARM CoreSight.
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https //lore.kernel.org/r/20210817221509.88391-3-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
- Prevent a message about missing PRMT from being printed on systems
that do not support PRM, which are the majority now (Aubrey Li).
- Drop unnecessary header include from scan.c (Kari Argillander).
- Update the list of ACPICA maintainers after recent departure of
one of them (Rafael Wysocki).
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Merge tag 'acpi-5.15-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These prevent a confusing PRMT-related message from being printed,
drop an unnecessary header file include and update the list of ACPICA
maintainers.
Specifics:
- Prevent a message about missing PRMT from being printed on systems
that do not support PRM, which are the majority now (Aubrey Li).
- Drop unnecessary header include from scan.c (Kari Argillander).
- Update the list of ACPICA maintainers after recent departure of one
of them (Rafael Wysocki)"
* tag 'acpi-5.15-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Update the list of maintainers
ACPI: PRM: Find PRMT table before parsing it
ACPI: scan: Remove unneeded header linux/nls.h
- Make the HWP performance levels calibration on hybrid processors
in intel_pstate more straightforward (Rafael Wysocki).
- Prevent the PM core from leaving devices in suspend after a
failing system-wide suspend transition in some cases when driver
PM flags are used (Prasad Sodagudi).
- Drop unused function argument from the dedicated wake IRQs
handling code (Sergey Shtylyov).
- Fix up Energy Model kerneldoc comments and include them in the
Energy Model documentation (Lukasz Luba).
- Use my kernel.org address in MAINTAINERS insead of the personal
one (Rafael Wysocki).
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Merge tag 'pm-5.15-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These improve hybrid processors support in intel_pstate, fix an issue
in the core devices PM code, clean up the handling of dedicated wake
IRQs, update the Energy Model documentation and update MAINTAINERS.
Specifics:
- Make the HWP performance levels calibration on hybrid processors in
intel_pstate more straightforward (Rafael Wysocki).
- Prevent the PM core from leaving devices in suspend after a failing
system-wide suspend transition in some cases when driver PM flags
are used (Prasad Sodagudi).
- Drop unused function argument from the dedicated wake IRQs handling
code (Sergey Shtylyov).
- Fix up Energy Model kerneldoc comments and include them in the
Energy Model documentation (Lukasz Luba).
- Use my kernel.org address in MAINTAINERS insead of the personal one
(Rafael Wysocki)"
* tag 'pm-5.15-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
MAINTAINERS: Change Rafael's e-mail address
PM: sleep: core: Avoid setting power.must_resume to false
Documentation: power: include kernel-doc in Energy Model doc
PM: EM: fix kernel-doc comments
cpufreq: intel_pstate: hybrid: Rework HWP calibration
ACPI: CPPC: Introduce cppc_get_nominal_perf()
PM: sleep: wakeirq: drop useless parameter from dev_pm_attach_wake_irq()
'enum' is equivalent to 'oneOf' with a list of 'const' entries, but 'enum'
is more concise and yields better error messages.
Fix a couple more cases which have appeared.
Cc: Rob Clark <robdclark@gmail.com>
Cc: Sean Paul <sean@poorly.run>
Cc: Mark Brown <broonie@kernel.org>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jonathan Marek <jonathan@marek.ca>
Cc: Aswath Govindraju <a-govindraju@ti.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: dri-devel@lists.freedesktop.org
Cc: freedreno@lists.freedesktop.org
Cc: linux-spi@vger.kernel.org
Cc: linux-watchdog@vger.kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20210910165153.2843871-1-robh@kernel.org
- Limit the linear region to 51-bit when KVM is running in nVHE mode
otherwise, depending on the placement of the ID map, kernel-VA to
hyp-VA translations may produce addresses that either conflict with
other HYP mappings or generate addresses outside of the 52-bit
addressable range.
- Instruct kmemleak not to scan the memory reserved for kdump as this
range is removed from the kernel linear map and therefore not
accessible.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Limit the linear region to 51-bit when KVM is running in nVHE mode.
Otherwise, depending on the placement of the ID map, kernel-VA to
hyp-VA translations may produce addresses that either conflict with
other HYP mappings or generate addresses outside of the 52-bit
addressable range.
- Instruct kmemleak not to scan the memory reserved for kdump as this
range is removed from the kernel linear map and therefore not
accessible.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kdump: Skip kmemleak scan reserved memory for kdump
arm64: mm: limit linear region to 51 bits for KVM in nVHE mode
* Build warning fixes in Makefile and Dino PCI driver
* Fix when sched_clock is marked unstable
* Drop strnlen_user() in favour of generic version
* Prevent kernel to write outside userspace signal stack
* Remove CONFIG_SET_FS incl. KERNEL_DS and USER_DS from parisc and switch to
__get/put_kernel_nofault()
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Merge tag 'for-5.15/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
- Build warning fixes in Makefile and Dino PCI driver
- Fix when sched_clock is marked unstable
- Drop strnlen_user() in favour of generic version
- Prevent kernel to write outside userspace signal stack
- Remove CONFIG_SET_FS including KERNEL_DS and USER_DS from parisc and
switch to __get/put_kernel_nofault()
* tag 'for-5.15/parisc-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Implement __get/put_kernel_nofault()
parisc: Mark sched_clock unstable only if clocks are not syncronized
parisc: Move pci_dev_is_behind_card_dino to where it is used
parisc: Reduce sigreturn trampoline to 3 instructions
parisc: Check user signal stack trampoline is inside TASK_SIZE
parisc: Drop useless debug info and comments from signal.c
parisc: Drop strnlen_user() in favour of generic version
parisc: Add missing FORCE prerequisite in Makefile
Including:
- Intel VT-d:
- PASID leakage in intel_svm_unbind_mm();
- Deadlock in intel_svm_drain_prq().
- AMD IOMMU: Fixes for an unhandled page-fault bug when AVIC is used
for a KVM guest.
- Make CONFIG_IOMMU_DEFAULT_DMA_LAZY architecture instead of IOMMU
driver dependent
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Merge tag 'iommu-fixes-v5.15-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Intel VT-d:
- PASID leakage in intel_svm_unbind_mm()
- Deadlock in intel_svm_drain_prq()
- AMD IOMMU: Fixes for an unhandled page-fault bug when AVIC is used
for a KVM guest.
- Make CONFIG_IOMMU_DEFAULT_DMA_LAZY architecture instead of IOMMU
driver dependent
* tag 'iommu-fixes-v5.15-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu: Clarify default domain Kconfig
iommu/vt-d: Fix a deadlock in intel_svm_drain_prq()
iommu/vt-d: Fix PASID leak in intel_svm_unbind_mm()
iommu/amd: Remove iommu_init_ga()
iommu/amd: Relocate GAMSup check to early_enable_iommus
Here is a second round of misc driver patches for 5.15-rc1.
In here is only updates for the Habanalabs driver. This request is late
because the previously-objected-to dma-buf patches are all removed and
some fixes that you and others found are now included in here as well.
All of these have been in linux-next for well over a week with no
reports of problems, and they are all self-contained to only this one
driver. Full details are in the shortlog.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.15-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull habanalabs updates from Greg KH:
"Here is another round of misc driver patches for 5.15-rc1.
In here is only updates for the Habanalabs driver. This request is
late because the previously-objected-to dma-buf patches are all
removed and some fixes that you and others found are now included in
here as well.
All of these have been in linux-next for well over a week with no
reports of problems, and they are all self-contained to only this one
driver. Full details are in the shortlog"
* tag 'char-misc-5.15-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (61 commits)
habanalabs/gaudi: hwmon default card name
habanalabs: add support for f/w reset
habanalabs/gaudi: block ICACHE_BASE_ADDERESS_HIGH in TPC
habanalabs: cannot sleep while holding spinlock
habanalabs: never copy_from_user inside spinlock
habanalabs: remove unnecessary device status check
habanalabs: disable IRQ in user interrupts spinlock
habanalabs: add "in device creation" status
habanalabs/gaudi: invalidate PMMU mem cache on init
habanalabs/gaudi: size should be printed in decimal
habanalabs/gaudi: define DC POWER for secured PMC
habanalabs/gaudi: unmask out of bounds SLM access interrupt
habanalabs: add userptr_lookup node in debugfs
habanalabs/gaudi: fetch TPC/MME ECC errors from F/W
habanalabs: modify multi-CS to wait on stream masters
habanalabs/gaudi: add monitored SOBs to state dump
habanalabs/gaudi: restore user registers when context opens
habanalabs/gaudi: increase boot fit timeout
habanalabs: update to latest firmware headers
habanalabs/gaudi: minimize number of register reads
...
ttm:
- Fix ttm_bo_move_memcpy() when ttm_resource is subclassed.
- Fix ttm deadlock if target BO isn't idle
- ttm build fix
- ttm docs fix
dma-buf:
- config option fixes
fbdev:
- limit resolutions to avoid int overflow
i915:
- stddef change.
amdgpu:
- Misc cleanups, typo fixes
- EEPROM fix
- Add some new PCI IDs
- Scatter/Gather display support for Yellow Carp
- PCIe DPM fix for RKL platforms
- RAS fix
amdkfd:
- SVM fix
vc4:
- static function fix
mgag200:
- fix uninit var
panfrost:
- lock_region fixes
- Make some dma-buf config options depend on DMA_SHARED_BUFFER.
- Handle multiplication overflow of fbdev xres/yres in the core.
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Merge tag 'drm-next-2021-09-10' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Just an initial bunch of fixes for the merge window, amdgpu is most of
them with a few ttm fixes and an fbdev avoid multiply overflow fix.
core:
- Make some dma-buf config options depend on DMA_SHARED_BUFFER
- Handle multiplication overflow of fbdev xres/yres in the core
ttm:
- Fix ttm_bo_move_memcpy() when ttm_resource is subclassed
- Fix ttm deadlock if target BO isn't idle
- ttm build fix
- ttm docs fix
dma-buf:
- config option fixes
fbdev:
- limit resolutions to avoid int overflow
i915:
- stddef change.
amdgpu:
- Misc cleanups, typo fixes
- EEPROM fix
- Add some new PCI IDs
- Scatter/Gather display support for Yellow Carp
- PCIe DPM fix for RKL platforms
- RAS fix
amdkfd:
- SVM fix
vc4:
- static function fix
mgag200:
- fix uninit var
panfrost:
- lock_region fixes"
* tag 'drm-next-2021-09-10' of git://anongit.freedesktop.org/drm/drm: (36 commits)
drm/ttm: Fix a deadlock if the target BO is not idle during swap
fbmem: don't allow too huge resolutions
dma-buf: DMABUF_SYSFS_STATS should depend on DMA_SHARED_BUFFER
dma-buf: DMABUF_DEBUG should depend on DMA_SHARED_BUFFER
drm/i915: use linux/stddef.h due to "isystem: trim/fixup stdarg.h and other headers"
dma-buf: DMABUF_MOVE_NOTIFY should depend on DMA_SHARED_BUFFER
drm/amdkfd: drop process ref count when xnack disable
drm/amdgpu: enable more pm sysfs under SRIOV 1-VF mode
drm/amdgpu: fix fdinfo race with process exit
drm/amdgpu: Fix a deadlock if previous GEM object allocation fails
drm/amdgpu: stop scheduler when calling hw_fini (v2)
drm/amdgpu: Clear RAS interrupt status on aldebaran
drm/amd/display: Initialize lt_settings on instantiation
drm/amd/display: cleanup idents after a revert
drm/amd/display: Fix memory leak reported by coverity
drm/ttm: Fix ttm_bo_move_memcpy() for subclassed struct ttm_resource
drm/amdgpu/swsmu: fix spelling mistake "minimun" -> "minimum"
drm/amdgpu: Disable PCIE_DPM on Intel RKL Platform
drm/amdgpu: show both cmd id and name when psp cmd failed
drm/amd/display: setup system context for APUs
...
Fix a leak in s_fsnotify_connectors counter in case of a race between
concurrent add of new fsnotify mark to an object.
The task that lost the race fails to drop the counter before freeing
the unused connector.
Following umount() hangs in fsnotify_sb_delete()/wait_var_event(),
because s_fsnotify_connectors never drops to zero.
Fixes: ec44610fe2 ("fsnotify: count all objects with attached connectors")
Reported-by: Murphy Zhou <jencce.kernel@gmail.com>
Link: https://lore.kernel.org/linux-fsdevel/20210907063338.ycaw6wvhzrfsfdlp@xzhoux.usersys.redhat.com/
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Andre reported fw_devlink=on breaking OLPC XO-1.5 [1].
OLPC XO-1.5 is an X86 system that uses a mix of ACPI and OF to populate
devices. The root cause seems to be ISA devices not setting their fwnode
field. But trying to figure out how to fix that doesn't seem worth the
trouble because the OLPC devicetree is very sparse/limited and fw_devlink
only adds the links causing this issue. Considering that there aren't many
users of OF in an X86 system, simply fw_devlink DT support for X86.
[1] - https://lore.kernel.org/lkml/3c1f2473-92ad-bfc4-258e-a5a08ad73dd0@web.de/
Fixes: ea718c6990 ("Revert "Revert "driver core: Set fw_devlink=on by default""")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Cc: Andre Muller <andre.muller@web.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Andre Müller <andre.muller@web.de>
Link: https://lore.kernel.org/r/20210910011446.3208894-1-saravanak@google.com
Signed-off-by: Rob Herring <robh@kernel.org>
Using generated/compile.h triggered a full LKDTM rebuild with every
build. Avoid this by using the exported strings instead.
Fixes: b8661450bc ("lkdtm: Add kernel version to failure hints")
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210901233406.2571643-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To be used by IBS raw data display: It needs the recorder's cpuid in
order to determine which errata workarounds to apply to the data, and
the pmu_mappings are needed in order to figure out which PMU sample
type is IBS Fetch vs. IBS Op.
When not available from perf.data, we assume local operation, and
retrieve cpuid and pmu mappings directly from the running system.
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joao Martins <joao.m.martins@oracle.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https //lore.kernel.org/r/20210817221509.88391-2-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Instead of using the file offset in the debug file.
This fixes a regression from 00a3423492 ("perf symbols: Make
dso__load_bfd_symbols() load PE files from debug cache only"), causing
incorrect symbol resolution when debug file have been stripped from
non-debug sections (in which case its .text section is empty and doesn't
have any file position).
The debug files could also be created with a different file alignment,
and have different file positions from the mmap-ed binary, or have the
section reordered.
This instead looks for the file image base, using the corresponding bfd
*ABS* symbols. As PE symbols only have 4 bytes, it also needs to keep
.text section vma high bits.
Signed-off-by: Remi Bernon <rbernon@codeweavers.com>
Fixes: 00a3423492 ("perf symbols: Make dso__load_bfd_symbols() load PE files from debug cache only")
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Nicholas Fraser <nfraser@codeweavers.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210909192637.4139125-1-rbernon@codeweavers.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The '--' prevented arguments from being passed to the script, such as:
$ perf script report stackcollapse -i my_perf.data
Signed-off-by: Michael Petlan <mpetlan@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
LPU-Reference: 20200427142327.21172-1-mpetlan@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick the changes in these csets:
59ab844eed ("compat: remove some compat entry points")
dce4910396 ("mm: wire up syscall process_mrelease")
b48c7236b1 ("exit/bdflush: Remove the deprecated bdflush system call")
That add support for this new syscall in tools such as 'perf trace'.
For instance, this is now possible:
# perf trace -v -e process_mrelease
event qualifier tracepoint filter: (common_pid != 19351 && common_pid != 9112) && (id == 448)
^C#
That is the filter expression attached to the raw_syscalls:sys_{enter,exit}
tracepoints.
$ grep process_mrelease tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
448 common process_mrelease sys_process_mrelease
$
This addresses these perf build warnings:
Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h'
diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h
Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl'
diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
Warning: Kernel ABI header at 'tools/perf/arch/powerpc/entry/syscalls/syscall.tbl' differs from latest version at 'arch/powerpc/kernel/syscalls/syscall.tbl'
diff -u tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
Warning: Kernel ABI header at 'tools/perf/arch/s390/entry/syscalls/syscall.tbl' differs from latest version at 'arch/s390/kernel/syscalls/syscall.tbl'
diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
Warning: Kernel ABI header at 'tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl' differs from latest version at 'arch/mips/kernel/syscalls/syscall_n64.tbl'
diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
