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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-30 22:31:48 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-30 22:31:48 +0300 |
| commit | a1b3cf6d943800059adc262c4d839524c529db2d (patch) | |
| tree | a8bdf99464f0b971dcbebf90d06af8072f218939 /Documentation/admin-guide | |
| parent | 8d9f412d51b84eafd2253a82120e218ddc53e721 (diff) | |
| parent | 09d3f015d1e1b4fee7e9bbdcf54201d239393391 (diff) | |
| download | linux-a1b3cf6d943800059adc262c4d839524c529db2d.tar.xz | |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Misc fixes:
- counter freezing related regression fix
- uprobes race fix
- Intel PMU unusual event combination fix
- .. and diverse tooling fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
uprobes: Fix handle_swbp() vs. unregister() + register() race once more
perf/x86/intel: Disallow precise_ip on BTS events
perf/x86/intel: Add generic branch tracing check to intel_pmu_has_bts()
perf/x86/intel: Move branch tracing setup to the Intel-specific source file
perf/x86/intel: Fix regression by default disabling perfmon v4 interrupt handling
perf tools beauty ioctl: Support new ISO7816 commands
tools uapi asm-generic: Synchronize ioctls.h
tools arch x86: Update tools's copy of cpufeatures.h
tools headers uapi: Synchronize i915_drm.h
perf tools: Restore proper cwd on return from mnt namespace
tools build feature: Check if get_current_dir_name() is available
perf tools: Fix crash on synthesizing the unit
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 19f4423e70d9..675170c36078 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -856,7 +856,8 @@ causing system reset or hang due to sending INIT from AP to BSP. - disable_counter_freezing [HW] + perf_v4_pmi= [X86,INTEL] + Format: <bool> Disable Intel PMU counter freezing feature. The feature only exists starting from Arch Perfmon v4 (Skylake and newer). |