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SubjectRe: [BUG] "sched: Remove rq->lock from the first half of ttwu()" locks up on ARM

* Peter Zijlstra <> wrote:

> Sort this by reverting to the old behaviour for this situation and
> perform a full remote wake-up.

Btw., ARM should consider switching most of its subarchitectures to
!__ARCH_WANT_INTERRUPTS_ON_CTXSW - enabling irqs during context
switches is silly and now expensive as well.



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