[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 3/3] x86/mwait_idle: initial C8, C9, C10 support
On Thu, Aug 29, 2013 at 6:12 AM, Jan Beulich <JBeulich@xxxxxxxx> wrote: > Allow mwait_idle to utilize C8, C9, C10 when they are present on... > "Fourth Generation Intel(R) Core(TM) Processors", which are based on > Intel(R) microarchitecture code name Haswell. > > Signed-off-by: Len Brown <len.brown@xxxxxxxxx> > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> > > --- a/xen/arch/x86/cpu/mwait-idle.c > +++ b/xen/arch/x86/cpu/mwait-idle.c > @@ -252,6 +252,24 @@ static const struct cpuidle_state hsw_cs > .exit_latency = 166, > .target_residency = 500, > }, > + { > + .name = "C8-HSW", > + .flags = MWAIT2flg(0x40) | CPUIDLE_FLAG_TLB_FLUSHED, > + .exit_latency = 300, > + .target_residency = 900, > + }, > + { > + .name = "C9-HSW", > + .flags = MWAIT2flg(0x50) | CPUIDLE_FLAG_TLB_FLUSHED, > + .exit_latency = 600, > + .target_residency = 1800, > + }, > + { > + .name = "C10-HSW", > + .flags = MWAIT2flg(0x60) | CPUIDLE_FLAG_TLB_FLUSHED, > + .exit_latency = 2600, > + .target_residency = 7700, > + }, > {} > }; > > > > Acked-by: Jun Nakajima <jun.nakajima@xxxxxxxxx> -- Jun Intel Open Source Technology Center _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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