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SubjectRe: [PATCH v2 2/3] Mutually exclude cpu online and suspend/hibernate
On Mon, 10 Oct 2011, Peter Zijlstra wrote:

> I just remember being very surprised about finding out the hotplug usage
> of suspend/hibernate wasn't at all serialized against the regular
> hotplug thingies.. (see 144060fee07e9c22e179d00819c83c86fbcbf82c).

It _is_ serialized against some of them... maybe not all, though.
That's one of the purposes of the "prepare" and "complete" callback
methods in dev_pm_ops.

Alan Stern

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