Re: [PATCH] cpuacct: add a branch prediction
From: Peter Zijlstra
Date: Thu Feb 26 2009 - 05:45:00 EST
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.
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