|From:||Arjan van de Ven <arjan-AT-infradead.org>|
|To:||Jeremy Fitzhardinge <jeremy-AT-goop.org>|
|Subject:||Re: [PATCH RFC 3/3] x86: use mwait for trigger API|
|Date:||Sat, 16 Aug 2008 10:44:04 -0700|
|Cc:||Ingo Molnar <mingo-AT-elte.hu>, Jens Axboe <jens.axboe-AT-oracle.com>, Peter Zijlstra <a.p.zijlstra-AT-chello.nl>, Christian Borntraeger <borntraeger-AT-de.ibm.com>, Linux Kernel Mailing List <linux-kernel-AT-vger.kernel.org>, Rusty Russell <rusty-AT-rustcorp.com.au>|
On Sat, 16 Aug 2008 09:34:26 -0700 Jeremy Fitzhardinge <firstname.lastname@example.org> wrote: > If the cpu implements monitor/mwait, use it for the trigger API. > > TODO: work out if any mwait hints are going to be useful here. monitor/mwait is rather really expensive.. are we really sure we want to use this? (from an Intel cpu perspective the answer is very likely no; but I don't know what AMD does here) -- If you want to reach me at my work email, use email@example.com For development, discussion and tips for power savings, visit http://www.lesswatts.org
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