b00e805a47
31538 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Greg Kroah-Hartman
|
4ba028e41b |
1st set of IIO new device support, features and cleanup for 6.1
This includes Nuno Sa's work to move the IIO core over to generic firmware
properties rather than having DT specific code paths. Combined with Andy
Shevchenko's long term work on drivers, this leaves IIO in a good state for
handling other firmware types.
New device support
- liteon,ltrf216a
* New driver and dt bindings to support this Light sensor.
- maxim,max11205
* New driver for this 16bit single channel ADC.
- memsensing,msa311
* New driver for this accelerometer. Includes a string helper for read/write.
- richtek,rtq6056
* New driver and dt binding to support this current monitor used to measure
power usage.
- yamaha,yas530
* Support the YAS537 variant (series includes several fixes for other parts
and new driver features).
Staging graduation
- adi,ad7746 CDC. Cleanup conducted against set of roadtest tests using
the posted RFC of that framework.
Features
- core
* Large rework to make all the core IIO code use generic firmware properties.
Includes switching some drivers over as well using newly provided
generic interfaces and allowing removal of DT specific ones.
* Support for gesture event types for single and double tap. Used in
bosch,bma400.
- atmel,at91-sama5d2
* Add support for temperature sensor which uses two muxed inputs to estimate
the temperature.
* Handle trackx bits of EMR register to improve temp sampling accuracy.
* Runtime PM support.
- liteon,ltrf216a
* Add a _raw channel output to allow working around an issue with
differing conversions equations that breaks some user space controls.
- mexelis,mlx90632
* Support regulator control.
- ti,tsc2046
* External reference voltage support.
Clean up and minor fixes
- Tree-wide
* devm_clk_get_enabled() replacements of opencoded equivalent.
* Remaining IIO_DMA_MINALIGN conversions (the staging/iio drivers).
* Various minor warning and similar cleanup such as missing static
markings.
* strlcpy() to strscpy() for cases where return value not checked.
* provide units.h entries for more HZ units and use them in drivers.
- dt-bindings cleanup
* Drop maintainers listss where the email address is bouncing.
* Switch spi devices over to using spi-peripheral.yaml
* Add some missing unevaluatedProperties / additionalProperties: false
entries.
- ABI docs
* Add some missing channel type specific sampling frequency entries.
* Add parameter names for callback parameters.
- MAINTAINERS
* Fix wrong ADI forum links.
- core
* lockdep class per device, to avoid an issue with nest when one IIO
device is the consumer of another.
* White space tweaks.
- asc,dlhl60d
* Use get_unaligned_be24 to avoid some unusual data manipulation and masking.
- atmel,at91-sama5d2
* Fix wrong max value.
* Improve error handling when measuring pressure and touch.
* Add locks to remove races on updating oversampling / sampling freq.
* Add missing calls in suspend and resume path to ensure state is correctly
brought up if buffered capture was in use when suspend happened.
* Error out of write_raw() callback if buffered capture enabled to avoid
unpredictable behavior.
* Handle different versions having different oversampling ratio support and
drop excess error checking.
* Cleanup magic value defines where the name is just the value and hence
hurts readability.
* Use read_avail() callback to provide info on possible oversampling ratios.
* Correctly handle variable bit depth when doing oversampling on different
supported parts. Also handle higher oversampling ratios.
- fsl,imx8qxp
* Don't ignore errors from regulator_get_voltage() so as to avoid some
very surprising scaling.
- invensense,icp10100
* Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS. UNIVERSAL rarely made
sense and is now deprecated. In this driver we just avoid double disabling
in some paths.
- maxim,max1363
* Drop consumer channel map provision by platform data. There have been
better ways of doing this for years and there are no in tree users.
- microchip,mcp3911
* Update status to maintained.
- qcom,spmi-adc5
* Support measurement of LDO output voltage.
- qcom,spmi-adc
* Add missing channel available on SM6125 SoC.
- st,stmpe
* Drop requirement on node name in binding now that driver correctly
doesn't enforce it.
- stx104
* Move to more appropriate addac directory
- ti,am335x
* Document ti,am654-adc compatible already in use in tree.
- ti,hmc5843
* Move dev_pm_ops out of header and use new pm macros to handle export.
- yamaha,yas530
* Minor cleanups.
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Merge tag 'iio-for-6.1a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
1st set of IIO new device support, features and cleanup for 6.1
This includes Nuno Sa's work to move the IIO core over to generic firmware
properties rather than having DT specific code paths. Combined with Andy
Shevchenko's long term work on drivers, this leaves IIO in a good state for
handling other firmware types.
New device support
- liteon,ltrf216a
* New driver and dt bindings to support this Light sensor.
- maxim,max11205
* New driver for this 16bit single channel ADC.
- memsensing,msa311
* New driver for this accelerometer. Includes a string helper for read/write.
- richtek,rtq6056
* New driver and dt binding to support this current monitor used to measure
power usage.
- yamaha,yas530
* Support the YAS537 variant (series includes several fixes for other parts
and new driver features).
Staging graduation
- adi,ad7746 CDC. Cleanup conducted against set of roadtest tests using
the posted RFC of that framework.
Features
- core
* Large rework to make all the core IIO code use generic firmware properties.
Includes switching some drivers over as well using newly provided
generic interfaces and allowing removal of DT specific ones.
* Support for gesture event types for single and double tap. Used in
bosch,bma400.
- atmel,at91-sama5d2
* Add support for temperature sensor which uses two muxed inputs to estimate
the temperature.
* Handle trackx bits of EMR register to improve temp sampling accuracy.
* Runtime PM support.
- liteon,ltrf216a
* Add a _raw channel output to allow working around an issue with
differing conversions equations that breaks some user space controls.
- mexelis,mlx90632
* Support regulator control.
- ti,tsc2046
* External reference voltage support.
Clean up and minor fixes
- Tree-wide
* devm_clk_get_enabled() replacements of opencoded equivalent.
* Remaining IIO_DMA_MINALIGN conversions (the staging/iio drivers).
* Various minor warning and similar cleanup such as missing static
markings.
* strlcpy() to strscpy() for cases where return value not checked.
* provide units.h entries for more HZ units and use them in drivers.
- dt-bindings cleanup
* Drop maintainers listss where the email address is bouncing.
* Switch spi devices over to using spi-peripheral.yaml
* Add some missing unevaluatedProperties / additionalProperties: false
entries.
- ABI docs
* Add some missing channel type specific sampling frequency entries.
* Add parameter names for callback parameters.
- MAINTAINERS
* Fix wrong ADI forum links.
- core
* lockdep class per device, to avoid an issue with nest when one IIO
device is the consumer of another.
* White space tweaks.
- asc,dlhl60d
* Use get_unaligned_be24 to avoid some unusual data manipulation and masking.
- atmel,at91-sama5d2
* Fix wrong max value.
* Improve error handling when measuring pressure and touch.
* Add locks to remove races on updating oversampling / sampling freq.
* Add missing calls in suspend and resume path to ensure state is correctly
brought up if buffered capture was in use when suspend happened.
* Error out of write_raw() callback if buffered capture enabled to avoid
unpredictable behavior.
* Handle different versions having different oversampling ratio support and
drop excess error checking.
* Cleanup magic value defines where the name is just the value and hence
hurts readability.
* Use read_avail() callback to provide info on possible oversampling ratios.
* Correctly handle variable bit depth when doing oversampling on different
supported parts. Also handle higher oversampling ratios.
- fsl,imx8qxp
* Don't ignore errors from regulator_get_voltage() so as to avoid some
very surprising scaling.
- invensense,icp10100
* Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS. UNIVERSAL rarely made
sense and is now deprecated. In this driver we just avoid double disabling
in some paths.
- maxim,max1363
* Drop consumer channel map provision by platform data. There have been
better ways of doing this for years and there are no in tree users.
- microchip,mcp3911
* Update status to maintained.
- qcom,spmi-adc5
* Support measurement of LDO output voltage.
- qcom,spmi-adc
* Add missing channel available on SM6125 SoC.
- st,stmpe
* Drop requirement on node name in binding now that driver correctly
doesn't enforce it.
- stx104
* Move to more appropriate addac directory
- ti,am335x
* Document ti,am654-adc compatible already in use in tree.
- ti,hmc5843
* Move dev_pm_ops out of header and use new pm macros to handle export.
- yamaha,yas530
* Minor cleanups.
* tag 'iio-for-6.1a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (142 commits)
iio: pressure: icp10100: Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS().
iio: adc: max1363: Drop provision to provide an IIO channel map via platform data
iio: accel: bma400: Add support for single and double tap events
iio: Add new event type gesture and use direction for single and double tap
iio: Use per-device lockdep class for mlock
iio: adc: add max11205 adc driver
dt-bindings: iio: adc: Add max11205 documentation file
iio: magnetometer: yamaha-yas530: Use dev_err_probe()
iio: magnetometer: yamaha-yas530: Make strings const in chip info
iio: magnetometer: yamaha-yas530: Use pointers as driver data
iio: adc: tsc2046: silent spi_device_id warning
iio: adc: tsc2046: add vref support
dt-bindings: iio: adc: ti,tsc2046: add vref-supply property
iio: light: ltrf216a: Add raw attribute
dt-bindings: iio: Add missing (unevaluated|additional)Properties on child nodes
MAINTAINERS: fix Analog Devices forum links
iio/accel: fix repeated words in comments
dt-bindings: iio: accel: add dt-binding schema for msa311 accel driver
iio: add MEMSensing MSA311 3-axis accelerometer driver
dt-bindings: vendor-prefixes: add MEMSensing Microsystems Co., Ltd.
...
|
||
Jagath Jog J
|
835e699ef8 |
iio: Add new event type gesture and use direction for single and double tap
Add new event type for tap called gesture and the direction can be used to differentiate single and double tap. This may be used by accelerometer sensors to express single and double tap events. For directional tap, modifiers like IIO_MOD_(X/Y/Z) can be used along with singletap and doubletap direction. Signed-off-by: Jagath Jog J <jagathjog1996@gmail.com> Link: https://lore.kernel.org/r/20220831063117.4141-2-jagathjog1996@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
Linus Torvalds
|
685ed983e2 |
s390:
* PCI interpretation compile fixes RISC-V: * Fix unused variable warnings in vcpu_timer.c * Move extern sbi_ext declarations to a header x86: * check validity of argument to KVM_SET_MP_STATE * use guest's global_ctrl to completely disable guest PEBS * fix a memory leak on memory allocation failure * mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES * fix build failure with Clang integrated assembler * fix MSR interception * Always flush TLBs when enabling dirty logging -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmMUdO4UHHBib256aW5p QHJlZGhhdC5jb20ACgkQv/vSX3jHroPpMQf6Aqcvg4zFz3Ph/5RnakAxQris163b g63AyDXaVIZ1NHKdhBzlvw9t75UacgYOuB/+utDHQ4eUa1W6bMDA2zEGCQS3HfdW A+u5lrYfS4qUM4V8gCDZTuZUyK9EhKrQ6C/aTGge+q8YdG7P1zv72QOIZyQ/+WmU 4aVuX3GehzdlhgJyzLG/g6NDA+n9fOB1lIlg4GSt9hcvUXcYFqZ+oZCPZgWDNZCP LXil43sgolw4y7FxVMSRlB6LhamWV4vI0u4nXVFC9tG0CSCmCrTkaFSMB7RixF1r TarYt7BSbb1ie5uXJpETSZL66DxeBSvLbtBUm98nt3Ym9aBYmAcN8GK7sg== =zUwO -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fixes from Paolo Bonzini: "s390: - PCI interpretation compile fixes RISC-V: - fix unused variable warnings in vcpu_timer.c - move extern sbi_ext declarations to a header x86: - check validity of argument to KVM_SET_MP_STATE - use guest's global_ctrl to completely disable guest PEBS - fix a memory leak on memory allocation failure - mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES - fix build failure with Clang integrated assembler - fix MSR interception - always flush TLBs when enabling dirty logging" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: x86: check validity of argument to KVM_SET_MP_STATE perf/x86/core: Completely disable guest PEBS via guest's global_ctrl KVM: x86: fix memoryleak in kvm_arch_vcpu_create() KVM: x86: Mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES KVM: s390: pci: Hook to access KVM lowlevel from VFIO riscv: kvm: move extern sbi_ext declarations to a header riscv: kvm: vcpu_timer: fix unused variable warnings KVM: selftests: Fix ambiguous mov in KVM_ASM_SAFE() KVM: selftests: Fix KVM_EXCEPTION_MAGIC build with Clang KVM: VMX: Heed the 'msr' argument in msr_write_intercepted() kvm: x86: mmu: Always flush TLBs when enabling dirty logging kvm: x86: mmu: Drop the need_remote_flush() function |
||
|
Linus Torvalds
|
cec53f4c8d |
io_uring-6.0-2022-09-02
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|
Linus Torvalds
|
0c95f02269 |
Landlock fix for v6.0-rc4
-----BEGIN PGP SIGNATURE----- iIYEABYIAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCYxILwxAcbWljQGRpZ2lr b2QubmV0AAoJEOXj0OiMgvbSdu4BANqLdLqVhylwJRjZS91rpxrtwp6bOTxtR6+Q aSVtD2ZlAQCEl4/twUSO0mARkkprXXqNsjGcQ8wxN9JrxtcXAlaBCQ== =uVMR -----END PGP SIGNATURE----- Merge tag 'landlock-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux Pull landlock fix from Mickaël Salaün: "This fixes a mis-handling of the LANDLOCK_ACCESS_FS_REFER right when multiple rulesets/domains are stacked. The expected behaviour was that an additional ruleset can only restrict the set of permitted operations, but in this particular case, it was potentially possible to re-gain the LANDLOCK_ACCESS_FS_REFER right" * tag 'landlock-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: landlock: Fix file reparenting without explicit LANDLOCK_ACCESS_FS_REFER |
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Mickaël Salaün
|
55e55920bb
|
landlock: Fix file reparenting without explicit LANDLOCK_ACCESS_FS_REFER
This change fixes a mis-handling of the LANDLOCK_ACCESS_FS_REFER right when multiple rulesets/domains are stacked. The expected behaviour was that an additional ruleset can only restrict the set of permitted operations, but in this particular case, it was potentially possible to re-gain the LANDLOCK_ACCESS_FS_REFER right. With the introduction of LANDLOCK_ACCESS_FS_REFER, we added the first globally denied-by-default access right. Indeed, this lifted an initial Landlock limitation to rename and link files, which was initially always denied when the source or the destination were different directories. This led to an inconsistent backward compatibility behavior which was only taken into account if no domain layer were using the new LANDLOCK_ACCESS_FS_REFER right. However, when restricting a thread with a new ruleset handling LANDLOCK_ACCESS_FS_REFER, all inherited parent rulesets/layers not explicitly handling LANDLOCK_ACCESS_FS_REFER would behave as if they were handling this access right and with all their rules allowing it. This means that renaming and linking files could became allowed by these parent layers, but all the other required accesses must also be granted: all layers must allow file removal or creation, and renaming and linking operations cannot lead to privilege escalation according to the Landlock policy. See detailed explanation in commit |
||
Paolo Bonzini
|
29250ba51b |
PCI interpretation compile fixes
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|
Linus Torvalds
|
42e66b1cc3 |
Networking fixes for 6.0-rc4, including fixes from bluetooth, bpf
and wireless.
Current release - regressions:
- bpf:
- fix wrong last sg check in sk_msg_recvmsg()
- fix kernel BUG in purge_effective_progs()
- mac80211:
- fix possible leak in ieee80211_tx_control_port()
- potential NULL dereference in ieee80211_tx_control_port()
Current release - new code bugs:
- nfp: fix the access to management firmware hanging
Previous releases - regressions:
- ip: fix triggering of 'icmp redirect'
- sched: tbf: don't call qdisc_put() while holding tree lock
- bpf: fix corrupted packets for XDP_SHARED_UMEM
- bluetooth: hci_sync: fix suspend performance regression
- micrel: fix probe failure
Previous releases - always broken:
- tcp: make global challenge ack rate limitation per net-ns and default disabled
- tg3: fix potential hang-up on system reboot
- mac802154: fix reception for no-daddr packets
Misc:
- r8152: add PID for the lenovo onelink+ dock
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from bluetooth, bpf and wireless.
Current release - regressions:
- bpf:
- fix wrong last sg check in sk_msg_recvmsg()
- fix kernel BUG in purge_effective_progs()
- mac80211:
- fix possible leak in ieee80211_tx_control_port()
- potential NULL dereference in ieee80211_tx_control_port()
Current release - new code bugs:
- nfp: fix the access to management firmware hanging
Previous releases - regressions:
- ip: fix triggering of 'icmp redirect'
- sched: tbf: don't call qdisc_put() while holding tree lock
- bpf: fix corrupted packets for XDP_SHARED_UMEM
- bluetooth: hci_sync: fix suspend performance regression
- micrel: fix probe failure
Previous releases - always broken:
- tcp: make global challenge ack rate limitation per net-ns and
default disabled
- tg3: fix potential hang-up on system reboot
- mac802154: fix reception for no-daddr packets
Misc:
- r8152: add PID for the lenovo onelink+ dock"
* tag 'net-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (56 commits)
net/smc: Remove redundant refcount increase
Revert "sch_cake: Return __NET_XMIT_STOLEN when consuming enqueued skb"
tcp: make global challenge ack rate limitation per net-ns and default disabled
tcp: annotate data-race around challenge_timestamp
net: dsa: hellcreek: Print warning only once
ip: fix triggering of 'icmp redirect'
sch_cake: Return __NET_XMIT_STOLEN when consuming enqueued skb
selftests: net: sort .gitignore file
Documentation: networking: correct possessive "its"
kcm: fix strp_init() order and cleanup
mlxbf_gige: compute MDIO period based on i1clk
ethernet: rocker: fix sleep in atomic context bug in neigh_timer_handler
net: lan966x: improve error handle in lan966x_fdma_rx_get_frame()
nfp: fix the access to management firmware hanging
net: phy: micrel: Make the GPIO to be non-exclusive
net: virtio_net: fix notification coalescing comments
net/sched: fix netdevice reference leaks in attach_default_qdiscs()
net: sched: tbf: don't call qdisc_put() while holding tree lock
net: Use u64_stats_fetch_begin_irq() for stats fetch.
net: dsa: xrs700x: Use irqsave variant for u64 stats update
...
|
||
Pavel Begunkov
|
916d72c10a |
selftests/net: return back io_uring zc send tests
Enable io_uring zerocopy send tests back and fix them up to follow the new inteface. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/c8e5018c516093bdad0b6e19f2f9847dea17e4d2.1662027856.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
|
Pavel Begunkov
|
75847100c3 |
selftests/net: temporarily disable io_uring zc test
We're going to change API, to avoid build problems with a couple of following commits, disable io_uring testing. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/12b7507223df04fbd12aa05fc0cb544b51d7ed79.1662027856.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
||
Axel Rasmussen
|
5a3a599810 |
selftests: net: sort .gitignore file
This is the result of `sort tools/testing/selftests/net/.gitignore`, but preserving the comment at the top. Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Axel Rasmussen <axelrasmussen@google.com> Link: https://lore.kernel.org/r/20220829184748.1535580-1-axelrasmussen@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
|
Linus Torvalds
|
2f23a7c914 |
Misc fixes:
- Fix PAT on Xen, which caused i915 driver failures
- Fix compat INT 80 entry crash on Xen PV guests
- Fix 'MMIO Stale Data' mitigation status reporting on older Intel CPUs
- Fix RSB stuffing regressions
- Fix ORC unwinding on ftrace trampolines
- Add Intel Raptor Lake CPU model number
- Fix (work around) a SEV-SNP bootloader bug providing bogus values in
boot_params->cc_blob_address, by ignoring the value on !SEV-SNP bootups.
- Fix SEV-SNP early boot failure
- Fix the objtool list of noreturn functions and annotate snp_abort(),
which bug confused objtool on gcc-12.
- Fix the documentation for retbleed
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2022-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc x86 fixes from Ingo Molnar:
- Fix PAT on Xen, which caused i915 driver failures
- Fix compat INT 80 entry crash on Xen PV guests
- Fix 'MMIO Stale Data' mitigation status reporting on older Intel CPUs
- Fix RSB stuffing regressions
- Fix ORC unwinding on ftrace trampolines
- Add Intel Raptor Lake CPU model number
- Fix (work around) a SEV-SNP bootloader bug providing bogus values in
boot_params->cc_blob_address, by ignoring the value on !SEV-SNP
bootups.
- Fix SEV-SNP early boot failure
- Fix the objtool list of noreturn functions and annotate snp_abort(),
which bug confused objtool on gcc-12.
- Fix the documentation for retbleed
* tag 'x86-urgent-2022-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Documentation/ABI: Mention retbleed vulnerability info file for sysfs
x86/sev: Mark snp_abort() noreturn
x86/sev: Don't use cc_platform_has() for early SEV-SNP calls
x86/boot: Don't propagate uninitialized boot_params->cc_blob_address
x86/cpu: Add new Raptor Lake CPU model number
x86/unwind/orc: Unwind ftrace trampolines with correct ORC entry
x86/nospec: Fix i386 RSB stuffing
x86/nospec: Unwreck the RSB stuffing
x86/bugs: Add "unknown" reporting for MMIO Stale Data
x86/entry: Fix entry_INT80_compat for Xen PV guests
x86/PAT: Have pat_enabled() properly reflect state when running on Xen
|
||
Zhengjun Xing
|
48648548ef |
perf stat: Capitalize topdown metrics' names
Capitalize topdown metrics' names to follow the intel SDM.
Before:
# ./perf stat -a sleep 1
Performance counter stats for 'system wide':
228,094.05 msec cpu-clock # 225.026 CPUs utilized
842 context-switches # 3.691 /sec
224 cpu-migrations # 0.982 /sec
70 page-faults # 0.307 /sec
23,164,105 cycles # 0.000 GHz
29,403,446 instructions # 1.27 insn per cycle
5,268,185 branches # 23.097 K/sec
33,239 branch-misses # 0.63% of all branches
136,248,990 slots # 597.337 K/sec
32,976,450 topdown-retiring # 24.2% retiring
4,651,918 topdown-bad-spec # 3.4% bad speculation
26,148,695 topdown-fe-bound # 19.2% frontend bound
72,515,776 topdown-be-bound # 53.2% backend bound
6,008,540 topdown-heavy-ops # 4.4% heavy operations # 19.8% light operations
3,934,049 topdown-br-mispredict # 2.9% branch mispredict # 0.5% machine clears
16,655,439 topdown-fetch-lat # 12.2% fetch latency # 7.0% fetch bandwidth
41,635,972 topdown-mem-bound # 30.5% memory bound # 22.7% Core bound
1.013634593 seconds time elapsed
After:
# ./perf stat -a sleep 1
Performance counter stats for 'system wide':
228,081.94 msec cpu-clock # 225.003 CPUs utilized
824 context-switches # 3.613 /sec
224 cpu-migrations # 0.982 /sec
67 page-faults # 0.294 /sec
22,647,423 cycles # 0.000 GHz
28,870,551 instructions # 1.27 insn per cycle
5,167,099 branches # 22.655 K/sec
32,383 branch-misses # 0.63% of all branches
133,411,074 slots # 584.926 K/sec
32,352,607 topdown-retiring # 24.3% Retiring
4,456,977 topdown-bad-spec # 3.3% Bad Speculation
25,626,487 topdown-fe-bound # 19.2% Frontend Bound
70,955,316 topdown-be-bound # 53.2% Backend Bound
5,834,844 topdown-heavy-ops # 4.4% Heavy Operations # 19.9% Light Operations
3,738,781 topdown-br-mispredict # 2.8% Branch Mispredict # 0.5% Machine Clears
16,286,803 topdown-fetch-lat # 12.2% Fetch Latency # 7.0% Fetch Bandwidth
40,802,069 topdown-mem-bound # 30.6% Memory Bound # 22.6% Core Bound
1.013683125 seconds time elapsed
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220825015458.3252239-1-zhengjun.xing@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
|
||
Kan Liang
|
3126204ce3 |
perf docs: Update the documentation for the save_type filter
Update the documentation to reflect the kernel changes. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220816125612.2042397-2-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
Ian Rogers
|
d72e5cf3cf |
perf sched: Fix memory leaks in __cmd_record detected with -fsanitize=address
An array of strings is passed to cmd_record but not freed. As cmd_record modifies the array, add another array as a copy that can be mutated allowing the original array contents to all be freed. Detected with -fsanitize=address. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220824145733.409005-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
Andi Kleen
|
e89eaa611c |
perf record: Fix manpage formatting of description of support to hybrid systems
The Intel hybrid description is written in a different style than the rest of the perf record man page. There were some new command line options added after it which resulted in very strange section ordering. Move the hybrid include last. Also the sub sections in the hybrid document don't fit the record manpage well (especially since it talks about all kinds of unrelated commands). I left this for now, but would be better to separate this properly in the different man pages. It would be better to use sub sections for the other sections, but these don't seem to be supported in AsciiDoc? Some of the examples are still misrendered in the manpage with an indented troff command, but I don't know how to fix that. In any case it's now better than before. Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: zhengjun.xing@intel.com Link: https://lore.kernel.org/r/20220818100127.249401-1-ak@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
|
Ian Rogers
|
0c361c6eab |
perf test: Stat test for repeat with a weak group
Breaking a weak group requires multiple passes of an evlist, with multiple runs this can introduce bugs ultimately leading to segfaults. Add a test to cover this. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220822213352.75721-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
||
|
Ian Rogers
|
bf515f024e |
perf stat: Clear evsel->reset_group for each stat run
If a weak group is broken then the reset_group flag remains set for
the next run. Having reset_group set means the counter isn't created
and ultimately a segfault.
A simple reproduction of this is:
# perf stat -r2 -e '{cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles}:W
which will be added as a test in the next patch.
Fixes:
|
||
Arnaldo Carvalho de Melo
|
dbcfe5ec3f |
tools kvm headers arm64: Update KVM header from the kernel sources
To pick the changes from:
|
||
James Clark
|
bc9e7fe313 |
perf python: Fix build when PYTHON_CONFIG is user supplied
The previous change to Python autodetection had a small mistake where the auto value was used to determine the Python binary, rather than the user supplied value. The Python binary is only used for one part of the build process, rather than the final linking, so it was producing correct builds in most scenarios, especially when the auto detected value matched what the user wanted, or the system only had a valid set of Pythons. Change it so that the Python binary path is derived from either the PYTHON_CONFIG value or PYTHON value, depending on what is specified by the user. This was the original intention. This error was spotted in a build failure an odd cross compilation environment after commit |
||
David S. Miller
|
2e085ec0e2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel borkmann says: ==================== The following pull-request contains BPF updates for your *net* tree. We've added 11 non-merge commits during the last 14 day(s) which contain a total of 13 files changed, 61 insertions(+), 24 deletions(-). The main changes are: 1) Fix BPF verifier's precision tracking around BPF ring buffer, from Kumar Kartikeya Dwivedi. 2) Fix regression in tunnel key infra when passing FLOWI_FLAG_ANYSRC, from Eyal Birger. 3) Fix insufficient permissions for bpf_sys_bpf() helper, from YiFei Zhu. 4) Fix splat from hitting BUG when purging effective cgroup programs, from Pu Lehui. 5) Fix range tracking for array poke descriptors, from Daniel Borkmann. 6) Fix corrupted packets for XDP_SHARED_UMEM in aligned mode, from Magnus Karlsson. 7) Fix NULL pointer splat in BPF sockmap sk_msg_recvmsg(), from Liu Jian. 8) Add READ_ONCE() to bpf_jit_limit when reading from sysctl, from Kuniyuki Iwashima. 9) Add BPF selftest lru_bug check to s390x deny list, from Daniel Müller. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> |
||
|
Linus Torvalds
|
4c612826be |
Including fixes from ipsec and netfilter (with one broken Fixes tag).
Current release - new code bugs:
- dsa: don't dereference NULL extack in dsa_slave_changeupper()
- dpaa: fix <1G ethernet on LS1046ARDB
- neigh: don't call kfree_skb() under spin_lock_irqsave()
Previous releases - regressions:
- r8152: fix the RX FIFO settings when suspending
- dsa: microchip: keep compatibility with device tree blobs with
no phy-mode
- Revert "net: macsec: update SCI upon MAC address change."
- Revert "xfrm: update SA curlft.use_time", comply with RFC 2367
Previous releases - always broken:
- netfilter: conntrack: work around exceeded TCP receive window
- ipsec: fix a null pointer dereference of dst->dev on a metadata
dst in xfrm_lookup_with_ifid
- moxa: get rid of asymmetry in DMA mapping/unmapping
- dsa: microchip: make learning configurable and keep it off
while standalone
- ice: xsk: prohibit usage of non-balanced queue id
- rxrpc: fix locking in rxrpc's sendmsg
Misc:
- another chunk of sysctl data race silencing
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from ipsec and netfilter (with one broken Fixes tag).
Current release - new code bugs:
- dsa: don't dereference NULL extack in dsa_slave_changeupper()
- dpaa: fix <1G ethernet on LS1046ARDB
- neigh: don't call kfree_skb() under spin_lock_irqsave()
Previous releases - regressions:
- r8152: fix the RX FIFO settings when suspending
- dsa: microchip: keep compatibility with device tree blobs with no
phy-mode
- Revert "net: macsec: update SCI upon MAC address change."
- Revert "xfrm: update SA curlft.use_time", comply with RFC 2367
Previous releases - always broken:
- netfilter: conntrack: work around exceeded TCP receive window
- ipsec: fix a null pointer dereference of dst->dev on a metadata dst
in xfrm_lookup_with_ifid
- moxa: get rid of asymmetry in DMA mapping/unmapping
- dsa: microchip: make learning configurable and keep it off while
standalone
- ice: xsk: prohibit usage of non-balanced queue id
- rxrpc: fix locking in rxrpc's sendmsg
Misc:
- another chunk of sysctl data race silencing"
* tag 'net-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
net: lantiq_xrx200: restore buffer if memory allocation failed
net: lantiq_xrx200: fix lock under memory pressure
net: lantiq_xrx200: confirm skb is allocated before using
net: stmmac: work around sporadic tx issue on link-up
ionic: VF initial random MAC address if no assigned mac
ionic: fix up issues with handling EAGAIN on FW cmds
ionic: clear broken state on generation change
rxrpc: Fix locking in rxrpc's sendmsg
net: ethernet: mtk_eth_soc: fix hw hash reporting for MTK_NETSYS_V2
MAINTAINERS: rectify file entry in BONDING DRIVER
i40e: Fix incorrect address type for IPv6 flow rules
ixgbe: stop resetting SYSTIME in ixgbe_ptp_start_cyclecounter
net: Fix a data-race around sysctl_somaxconn.
net: Fix a data-race around netdev_unregister_timeout_secs.
net: Fix a data-race around gro_normal_batch.
net: Fix data-races around sysctl_devconf_inherit_init_net.
net: Fix data-races around sysctl_fb_tunnels_only_for_init_net.
net: Fix a data-race around netdev_budget_usecs.
net: Fix data-races around sysctl_max_skb_frags.
net: Fix a data-race around netdev_budget.
...
|
||
Kumar Kartikeya Dwivedi
|
1800b2ac96 |
selftests/bpf: Add regression test for pruning fix
Add a test to ensure we do mark_chain_precision for the argument type ARG_CONST_ALLOC_SIZE_OR_ZERO. For other argument types, this was already done, but propagation for missing for this case. Without the fix, this test case loads successfully. Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20220823185500.467-1-memxor@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
Borislav Petkov
|
c93c296fff |
x86/sev: Mark snp_abort() noreturn
Mark both the function prototype and definition as noreturn in order to prevent the compiler from doing transformations which confuse objtool like so: vmlinux.o: warning: objtool: sme_enable+0x71: unreachable instruction This triggers with gcc-12. Add it and sev_es_terminate() to the objtool noreturn tracking array too. Sort it while at it. Suggested-by: Michael Matz <matz@suse.de> Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220824152420.20547-1-bp@alien8.de |
||
|
Linus Torvalds
|
3ee3d98410 |
linux-kselftest-fixes-6.0-rc3
This Kselftest fixes update for Linux 6.0-rc3 consists of fixes and warnings to vm and sgx test builds. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAmMD9vkACgkQCwJExA0N QxwZExAAnkMMex+CoNdwpc73LOGjx4839mB11rhR34sUo+OhpJohCB5tkoF87j+9 +N/jYot4jwl3WxBo9oniVsoALHALX4ygnphTiqf/EsczAeJgecf1s6mW6oAzv1HD v0FKWHSQQiHhQsjo5lBL0RoJOHY8fAfxm38Aj6WdgWCQcv5i8cl32eJd+CCRJl35 WMKbZvH7M+Vum1w0Jy8wkNVjRMXUhNniWvjP/JXPyPR/nCCZBA1pFZQJu9EHd84H lVxX0GUolplhzFJ7t+HfxVfkvCO8U6QAusKFW61qcUmlFQmuAUKvFj3pAaVe9jWv 1bFtTLXMI8SKk9ZI96/gLRrvAxI3z9qDx++2tFBRVCyLN+UOQrCI4u/csIMEX7Ci S+LVgwfaoLEg7jqcU6mJiYisfqwXcBVFHUnm/n3eOXEsdGit7XaH9qHMGdwmWaYF kGnv6le21lrNuNd/l299hFXI2+jCDTSPCMX6d+96gF9QdhVH/K3q27lN1wI/mRLu uJ9BkZw8yNuaY+pkQEegW+UIm8zQ2D3RTdd00jtBBX2/EQzvyJBBD8r/9Z3Lfi8Q kh8wc93YvQPa2zmzu9szry7iwMOE5b0y8UiPIs5fLpfbPTSw2MgcBDebcid3AVjs ZvN273OZVs91Afdbr5yzqRDJ4w8mjhrUlZ71hJucwTq1ICIv8YU= =Y9BY -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-fixes-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest fixes from Shuah Khan: "Fixes to vm and sgx test builds" * tag 'linux-kselftest-fixes-6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/vm: fix inability to build any vm tests selftests/sgx: Ignore OpenSSL 3.0 deprecated functions warning |
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Jonathan Toppins
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c078290a2b |
selftests: include bonding tests into the kselftest infra
This creates a test collection in drivers/net/bonding for bonding specific kernel selftests. The first test is a reproducer that provisions a bond and given the specific order in how the ip-link(8) commands are issued the bond never transmits an LACPDU frame on any of its slaves. Signed-off-by: Jonathan Toppins <jtoppins@redhat.com> Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Yang Jihong
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cfd2b5c110 |
perf tools: Fix compile error for x86
Commit |
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Nick Desaulniers
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a0a12c3ed0 |
asm goto: eradicate CC_HAS_ASM_GOTO
GCC has supported asm goto since 4.5, and Clang has since version 9.0.0. The minimum supported versions of these tools for the build according to Documentation/process/changes.rst are 5.1 and 11.0.0 respectively. Remove the feature detection script, Kconfig option, and clean up some fallback code that is no longer supported. The removed script was also testing for a GCC specific bug that was fixed in the 4.7 release. Also remove workarounds for bpftrace using clang older than 9.0.0, since other BPF backend fixes are required at this point. Link: https://lore.kernel.org/lkml/CAK7LNATSr=BXKfkdW8f-H5VT_w=xBpT2ZQcZ7rm6JfkdE+QnmA@mail.gmail.com/ Link: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48637 Acked-by: Borislav Petkov <bp@suse.de> Suggested-by: Masahiro Yamada <masahiroy@kernel.org> Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Reviewed-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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16b3d851c0 |
perf tools fixes for v6.0: 1st batch
- Fix alignment for cpu map masks in event encoding. - Support reading PERF_FORMAT_LOST, perf tool counterpart for a feature that was added in this merge window. - Sync perf tools copies of kernel headers: socket, msr-index, fscrypt, cpufeatures, i915_drm, kvm, vhost, perf_event. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYv/jZAAKCRCyPKLppCJ+ J5ZWAP9P7qMcKppgzYqnHU7TX2tJoT7WbYpaf2lp0TkIpynKdAD9E+9FjbAnQznN 90DIIH/BljChgiUTkMxHaAl789XL1gU= =UXWB -----END PGP SIGNATURE----- Merge tag 'perf-tools-fixes-for-v6.0-2022-08-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Fix alignment for cpu map masks in event encoding. - Support reading PERF_FORMAT_LOST, perf tool counterpart for a feature that was added in this merge window. - Sync perf tools copies of kernel headers: socket, msr-index, fscrypt, cpufeatures, i915_drm, kvm, vhost, perf_event. * tag 'perf-tools-fixes-for-v6.0-2022-08-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: perf tools: Support reading PERF_FORMAT_LOST libperf: Add a test case for read formats libperf: Handle read format in perf_evsel__read() tools headers UAPI: Sync linux/perf_event.h with the kernel sources tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources tools headers UAPI: Sync KVM's vmx.h header with the kernel sources tools include UAPI: Sync linux/vhost.h with the kernel sources tools headers kvm s390: Sync headers with the kernel sources tools headers UAPI: Sync linux/kvm.h with the kernel sources tools headers UAPI: Sync drm/i915_drm.h with the kernel sources tools headers cpufeatures: Sync with the kernel sources tools headers UAPI: Sync linux/fscrypt.h with the kernel sources tools arch x86: Sync the msr-index.h copy with the kernel sources perf beauty: Update copy of linux/socket.h with the kernel sources perf cpumap: Fix alignment for masks in event encoding perf cpumap: Compute mask size in constant time perf cpumap: Synthetic events and const/static perf cpumap: Const map for max() |
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Linus Torvalds
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32dd68f110 |
powerpc fixes for 6.0 #3
- Fix atomic sleep warnings at boot due to get_phb_number() taking a mutex with a
spinlock held on some machines.
- Add missing PMU selftests to .gitignores.
Thanks to: Guenter Roeck, Russell Currey.
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Merge tag 'powerpc-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix atomic sleep warnings at boot due to get_phb_number() taking a
mutex with a spinlock held on some machines.
- Add missing PMU selftests to .gitignores.
Thanks to Guenter Roeck and Russell Currey.
* tag 'powerpc-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Add missing PMU selftests to .gitignores
powerpc/pci: Fix get_phb_number() locking
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Axel Rasmussen
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bdbf0617bb |
selftests/vm: fix inability to build any vm tests
When we stopped using KSFT_KHDR_INSTALL, a side effect is we also changed the value of `top_srcdir`. This can be seen by looking at the code removed by commit |
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Linus Torvalds
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ca052cfd6e |
ARM:
* Fix unexpected sign extension of KVM_ARM_DEVICE_ID_MASK * Tidy-up handling of AArch32 on asymmetric systems x86: * Fix "missing ENDBR" BUG for fastop functions Generic: * Some cleanup and static analyzer patches * More fixes to KVM_CREATE_VM unwind paths -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmL/YoEUHHBib256aW5p QHJlZGhhdC5jb20ACgkQv/vSX3jHroNK7wf/f/CxUT2NW8+klMBSUTL6YNMwPp5A 9xpfASi4pGiID27EEAOOLWcOr+A5bfa7fLS70Dyc+Wq9h0/tlnhFEF1X9RdLNHc+ I2HgNB64TZI7aLiZSm3cH3nfoazkAMPbGjxSlDmhH58cR9EPIlYeDeVMR/velbDZ Z4kfwallR2Mizb7olvXy0lYfd6jZY+JkIQQtgml801aIpwkJggwqhnckbxCDEbSx oB17T99Q2UQasDFusjvZefHjPhwZ7rxeXNTKXJLZNWecd7lAoPYJtTiYw+cxHmSY JWsyvtcHons6uNoP1y60/OuVYcLFseeY3Yf9sqI8ivyF0HhS1MXQrcXX8g== =V4Ib -----END PGP SIGNATURE----- Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull kvm fixes from Paolo Bonzini: "ARM: - Fix unexpected sign extension of KVM_ARM_DEVICE_ID_MASK - Tidy-up handling of AArch32 on asymmetric systems x86: - Fix 'missing ENDBR' BUG for fastop functions Generic: - Some cleanup and static analyzer patches - More fixes to KVM_CREATE_VM unwind paths" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: Drop unnecessary initialization of "ops" in kvm_ioctl_create_device() KVM: Drop unnecessary initialization of "npages" in hva_to_pfn_slow() x86/kvm: Fix "missing ENDBR" BUG for fastop functions x86/kvm: Simplify FOP_SETCC() x86/ibt, objtool: Add IBT_NOSEAL() KVM: Rename mmu_notifier_* to mmu_invalidate_* KVM: Rename KVM_PRIVATE_MEM_SLOTS to KVM_INTERNAL_MEM_SLOTS KVM: MIPS: remove unnecessary definition of KVM_PRIVATE_MEM_SLOTS KVM: Move coalesced MMIO initialization (back) into kvm_create_vm() KVM: Unconditionally get a ref to /dev/kvm module when creating a VM KVM: Properly unwind VM creation if creating debugfs fails KVM: arm64: Reject 32bit user PSTATE on asymmetric systems KVM: arm64: Treat PMCR_EL1.LC as RES1 on asymmetric systems KVM: arm64: Fix compile error due to sign extension |
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Namhyung Kim
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f52679b788 |
perf tools: Support reading PERF_FORMAT_LOST
The recent kernel added lost count can be read from either read(2) or ring buffer data with PERF_SAMPLE_READ. As it's a variable length data we need to access it according to the format info. But for perf tools use cases, PERF_FORMAT_ID is always set. So we can only check PERF_FORMAT_LOST bit to determine the data format. Add sample_read_value_size() and next_sample_read_value() helpers to make it a bit easier to access. Use them in all places where it reads the struct sample_read_value. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220819003644.508916-5-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Namhyung Kim
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6d395a5135 |
libperf: Add a test case for read formats
It checks a various combination of the read format settings and verify it return the value in a proper position. The test uses task-clock software events to guarantee it's always active and sets enabled/running time. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220819003644.508916-4-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Namhyung Kim
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89e3106fa2 |
libperf: Handle read format in perf_evsel__read()
The perf_counts_values should be increased to read the new lost data. Also adjust values after read according the read format. This supports PERF_FORMAT_GROUP which has a different data format but it's only available for leader events. Currently it doesn't have an API to read sibling (member) events in the group. But users may read the sibling event directly. Also reading from mmap would be disabled when the read format has ID or LOST bit as it's not exposed via mmap. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220819003644.508916-3-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Namhyung Kim
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65ba872a69 |
tools headers UAPI: Sync linux/perf_event.h with the kernel sources
To pick the trivial change in:
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Arnaldo Carvalho de Melo
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e5bc0deae5 |
tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources
To pick the changes in: |
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Arnaldo Carvalho de Melo
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eea085d114 |
tools headers UAPI: Sync KVM's vmx.h header with the kernel sources
To pick the changes in:
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Arnaldo Carvalho de Melo
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898d240346 |
tools include UAPI: Sync linux/vhost.h with the kernel sources
To get the changes in:
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Arnaldo Carvalho de Melo
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25f3089517 |
tools headers kvm s390: Sync headers with the kernel sources
To pick the changes in:
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Arnaldo Carvalho de Melo
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bf465ca809 |
tools headers UAPI: Sync linux/kvm.h with the kernel sources
To pick the changes in: |
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Arnaldo Carvalho de Melo
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54cd4cde7c |
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
To pick up the changes in: |
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Arnaldo Carvalho de Melo
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62ed93d199 |
tools headers cpufeatures: Sync with the kernel sources
To pick the changes from: |
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Arnaldo Carvalho de Melo
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fabe0c61d8 |
tools headers UAPI: Sync linux/fscrypt.h with the kernel sources
To pick the changes from:
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Arnaldo Carvalho de Melo
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7f7f86a7bd |
tools arch x86: Sync the msr-index.h copy with the kernel sources
To pick up the changes in: |
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Arnaldo Carvalho de Melo
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cf1258ac37 |
perf beauty: Update copy of linux/socket.h with the kernel sources
To pick the changes in: |
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Ian Rogers
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b2f10cd4e8 |
perf cpumap: Fix alignment for masks in event encoding
A mask encoding of a cpu map is laid out as: u16 nr u16 long_size unsigned long mask[]; However, the mask may be 8-byte aligned meaning there is a 4-byte pad after long_size. This means 32-bit and 64-bit builds see the mask as being at different offsets. On top of this the structure is in the byte data[] encoded as: u16 type char data[] This means the mask's struct isn't the required 4 or 8 byte aligned, but is offset by 2. Consequently the long reads and writes are causing undefined behavior as the alignment is broken. Fix the mask struct by creating explicit 32 and 64-bit variants, use a union to avoid data[] and casts; the struct must be packed so the layout matches the existing perf.data layout. Taking an address of a member of a packed struct breaks alignment so pass the packed perf_record_cpu_map_data to functions, so they can access variables with the right alignment. As the 64-bit version has 4 bytes of padding, optimizing writing to only write the 32-bit version. Committer notes: Disable warnings about 'packed' that break the build in some arches like riscv64, but just around that specific struct. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Colin Ian King <colin.king@intel.com> Cc: Dave Marchevsky <davemarchevsky@fb.com> Cc: German Gomez <german.gomez@arm.com> Cc: Gustavo A. R. Silva <gustavoars@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Kees Kook <keescook@chromium.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220614143353.1559597-5-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Ian Rogers
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28526478cc |
perf cpumap: Compute mask size in constant time
perf_cpu_map__max() computes the cpumap's maximum value, no need to iterate over all values. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Colin Ian King <colin.king@intel.com> Cc: Dave Marchevsky <davemarchevsky@fb.com> Cc: German Gomez <german.gomez@arm.com> Cc: Gustavo A. R. Silva <gustavoars@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Kees Kook <keescook@chromium.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220614143353.1559597-4-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Ian Rogers
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35ae6f09d8 |
perf cpumap: Synthetic events and const/static
Make the cpumap arguments const to make it clearer they are in rather than out arguments. Make two functions static and remove external declarations. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Colin Ian King <colin.king@intel.com> Cc: Dave Marchevsky <davemarchevsky@fb.com> Cc: German Gomez <german.gomez@arm.com> Cc: Gustavo A. R. Silva <gustavoars@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Kees Kook <keescook@chromium.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220614143353.1559597-3-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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Ian Rogers
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e989bc3d0f |
perf cpumap: Const map for max()
Allows max() to be used with 'const struct perf_cpu_maps *'. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Colin Ian King <colin.king@intel.com> Cc: Dave Marchevsky <davemarchevsky@fb.com> Cc: German Gomez <german.gomez@arm.com> Cc: Gustavo A. R. Silva <gustavoars@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Kees Kook <keescook@chromium.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Song Liu <songliubraving@fb.com> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20220614143353.1559597-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |