Messages in this thread | | | Date | Wed, 11 Apr 2007 16:46:09 +0200 | From | "Andreas Herrmann" <> | Subject | Re: [PATCH] x86_64: prevent auto select of mwait_idle for AMD CPUs |
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On Tue, Apr 10, 2007 at 08:11:18PM +0200, Andi Kleen wrote: > On Tuesday 10 April 2007 19:24:25 Andreas Herrmann wrote: > > This fix is needed for AMD family 10h CPUs. > > > > It prevents auto select of mwait_idle for AMD CPUs. > > MWAIT does not enter C-states on family 10h and more > > power saving is reached by entering C1 with > > default_idle. > > > > The patch also adds an idle=mwait command line option > > to select mwait_idle for benchmarking. > > I already did my own patch earlier. Applied for reference. > > -Andi
Great. Your patch is the better solution.
Regards,
Andreas
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