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

Ingo Molnar
2011-05-26T12:26:42Z

* Peter Zijlstra <peterz@infradead.org> 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.

Thanks,

Ingo