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SubjectRe: [BUG] "sched: Remove rq->lock from the first half of ttwu()" locks up on ARM
On Sun, May 29, 2011 at 11:21:19AM +0100, Catalin Marinas wrote:
> To avoid extra per-thread flags, we could set a per-cpu variable in
> switch_mm() so that we know what to switch the page tables to in the
> post-switch hook.

Why do we need to add more per-cpu stuff when we already have easy access
to the thread flags?


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