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| author | Costa Shulyupin <[email protected]> | 2024-02-22 20:08:56 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2024-02-22 21:18:21 +0000 |
| commit | 56c2cb10120894be40c40a9bf0ce798da14c50f6 (patch) | |
| tree | 45321068344164befe88639a54e09c949cb8ef02 /tools/perf/scripts/python/sctop.py | |
| parent | timers: Always queue timers on the local CPU (diff) | |
| download | kernel-56c2cb10120894be40c40a9bf0ce798da14c50f6.tar.gz kernel-56c2cb10120894be40c40a9bf0ce798da14c50f6.zip | |
hrtimer: Select housekeeping CPU during migration
During CPU-down hotplug, hrtimers may migrate to isolated CPUs,
compromising CPU isolation.
Address this issue by masking valid CPUs for hrtimers using
housekeeping_cpumask(HK_TYPE_TIMER).
Suggested-by: Waiman Long <[email protected]>
Signed-off-by: Costa Shulyupin <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Waiman Long <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/sctop.py')
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