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SubjectRe: [RFC PATCH 0/2] x86: Fix missing core serialization on migration
On Tue, Nov 14, 2017 at 06:17:13PM +0100, Daniel Bristot de Oliveira wrote:

> IIRC, if the dest cpu is idle and the system is with idle=poll, no IPI
> is fired as well, but that is not a very common case.

You're thinking about wake from idle? That is almost always without IPI,
even without idle=poll.

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