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SubjectRe: [PATCH] cpuacct: add a branch prediction
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On Thu, 2009-02-26 at 19:55 +0900, KAMEZAWA Hiroyuki wrote:
> Peter Zijlstra wrote:
> > On Thu, 2009-02-26 at 19:28 +0900, KAMEZAWA Hiroyuki wrote:
> >
> >> Taking hierarchy mutex while reading will make read-side stable.
> >
> > We're talking about scheduling here, taking a mutex to stop scheduling
> > won't work, nor will it be acceptible to use anything that will.
> >
> I'm sorry but I thought we are talking about cpuacct subsystem and not
> cpu subsystem....cpuacct subsystem's information is used for schedule ?

Not used for scheduling, but directly generated by it.


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