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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-04 19:21:30 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-10-04 19:21:30 +0300 |
| commit | 7db99f01d1879f30af95f14dfd5cbcf009d15166 (patch) | |
| tree | d3d9895db7877ecac37158f0094800f7cdbb2e52 /tools/perf/Documentation/perf-record.txt | |
| parent | ba94a7a90008fd55c7ff1c5b4ca1853e6277dc37 (diff) | |
| parent | c926087eb38520b268515ae1a842db6db62554cc (diff) | |
| download | linux-7db99f01d1879f30af95f14dfd5cbcf009d15166.tar.xz | |
Merge tag 'x86_cpu_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpu updates from Borislav Petkov:
- Print the CPU number at segfault time.
The number printed is not always accurate (preemption is enabled at
that time) but the print string contains "likely" and after a lot of
back'n'forth on this, this was the consensus that was reached. See
thread at [1].
- After a *lot* of testing and polishing, finally the clear_user()
improvements to inline REP; STOSB by default
Link: https://lore.kernel.org/r/5d62c1d0-7425-d5bb-ecb5-1dc3b4d7d245@intel.com [1]
* tag 'x86_cpu_for_v6.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Print likely CPU at segfault time
x86/clear_user: Make it faster
Diffstat (limited to 'tools/perf/Documentation/perf-record.txt')
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