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SubjectRe: [PATCH 2/4] stop_machine: reimplement using cpuhog
On Tue,  9 Mar 2010 00:53:21 +0900
Tejun Heo <tj@kernel.org> wrote:

> Reimplement stop_machine using cpuhog. As cpuhogs are guaranteed to
> be available for all online cpus, stop_machine_create/destroy() are no
> longer necessary and removed.

question;
stop_machine pretty much also stops interrupts (it has to, at least for
the users of stop_machine).. do cpu_hogs do this too?

(if they don't, cpu_hogs aren't safe for some of the users of
stop_machine, like code patching etc)


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