Re: [PATCH] Document that wake_up(), complete() and co. imply a full memory barrier

[David Howells]

Oleg Nesterov <oleg@xxxxxxxxxx> wrote:

> Well. I think in that case almost every try_to_wake_up/wake_up_process
> needs mb().

Not exactly.  They need smp_wmb() in the wake_up() path - unless they use
locks, which a lot of cases do.

David
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