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On Tue, Jul 01, 2008 at 08:16:01AM +0200, Ingo Molnar wrote: > > * Gautham R Shenoy <ego@in.ibm.com> wrote: > > > So, it's the design of stop_machine() that's preventing someone from > > updating the cpu_online_map while force_quiescent_state() is > > performing the cpu_is_online() check. Becase we always call > > force_quiescent_state() with irqs disabled :) > > Paul, do you concur? I'll apply the commit in the form below to > tip/core/urgent if Paul agrees. > > Ingo Ingo, I believe Gautham's fix at http://lkml.org/lkml/2008/6/27/9 is better and also explains it better. Thanks. -- regards, Dhaval | ||||||||||||
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