Messages in this thread | | | Date | Wed, 20 Nov 2013 17:33:13 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] x86, acpi, idle: Restructure the mwait idle routines |
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On Wed, Nov 20, 2013 at 08:24:47AM -0800, Arjan van de Ven wrote: > On 11/20/2013 2:58 AM, Peter Zijlstra wrote: > >So pretty silly actually; you cannot do a store (any store) in between > >monitor and mwait. > > you can > just not to the cacheline you are watching (or things that alias with that)
Ah indeed, the thread_info::status is in the same cacheline.
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