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Date: Thu, 08 Aug 2013 07:29:10 +0200 From: Mike Galbraith <bitbucket@...ine.de> To: "ethan.zhao" <ethan.kernel@...il.com> Cc: Peter Zijlstra <peterz@...radead.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org>, johlstei@...eaurora.org, Yinghai Lu <yinghai@...nel.org>, Jin Feng <joe.jin@...cle.com>, Youquan Song <youquan.song@...el.com>, LenBrown <len.brown@...el.com> Subject: Re: [PATCH V3]hrtimer: Fix a performance regression by disable reprogramming in remove_hrtimer (I got several copies of that, one would have been plenty. Some people get all grumpy when they get repeats, and at least one, who shall remain unnamed, gets even grumpier when folks don't trim their replies, so be careful;) On Thu, 2013-08-08 at 12:31 +0800, ethan.zhao wrote: > diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h > index 4137890..c27f04f 100644 > --- a/arch/x86/include/asm/smp.h > +++ b/arch/x86/include/asm/smp.h > @@ -137,7 +137,7 @@ static inline void play_dead(void) > > static inline void smp_send_reschedule(int cpu) > { > - smp_ops.smp_send_reschedule(cpu); > + /* smp_ops.smp_send_reschedule(cpu); */ > } Hm. You're much braver than I am. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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