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SubjectRe: [GIT PULL] Re: REGRESSION: Performance regressions from switching anon_vma->lock to mutex
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Ingo Molnar <mingo@elte.hu> wrote:
>
>I have this fix queued up currently:
>
> 09223371deac: rcu: Use softirq to address performance regression

I really don't think that is even close to enough.

It still does all the callbacks in the threads, and according to Peter, about half the rcu time in the threads remained..

Linus


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