Re: [PATCH] fix-flush_workqueue-vs-cpu_dead-race-update

[Srivatsa Vaddagiri]

On Sat, Jan 06, 2007 at 11:11:17AM -0800, Andrew Morton wrote:
> Has anyone thought seriously about using the process freezer in the
> cpu-down/cpu-up paths?  That way we don't need to lock anything anywhere?

How would this provide a stable access to cpu_online_map in functions
that need to block while accessing it (as flush_workqueue requires)?

-- 
Regards,
vatsa
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