Messages in this thread | | | Date | Tue, 12 Jan 2021 15:43:44 +0100 | From | Peter Zijlstra <> | Subject | [PATCH 0/4] sched: Fix hot-unplug regressions |
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Hi,
These 4 patches are the simplest means (barring a revert) of fixing the CPU hot-unplug problems introduced by commit:
1cf12e08bc4d ("sched/hotplug: Consolidate task migration on CPU unplug")
Testing here, any by Paul, indicate they survive a pounding.
They restore the previous behaviour of forced affinity breaking for the class of kernel threads that happen to have single CPU affinity, but are not strictly a per-cpu kthread.
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