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List: linaro-sched-sig
Subject: [RFC][PATCH 00/32] Nohz cpusets v2 (adaptive tickless kernel)
From: tglx () linutronix ! de (Thomas Gleixner)
Date: 2012-05-22 22:22:51
Message-ID: alpine.LFD.2.02.1205230020170.3231 () ionos
[Download RAW message or body]
On Tue, 22 May 2012, Steven Rostedt wrote:
> On Tue, 2012-05-22 at 23:31 +0200, Thomas Gleixner wrote:
>
> > diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
> > index 590900c..dc8ecc3 100644
> > --- a/arch/x86/kernel/tsc.c
> > +++ b/arch/x86/kernel/tsc.c
> > @@ -109,6 +109,10 @@ static int __init tsc_setup(char *str)
> > {
> > if (!strcmp(str, "reliable"))
> > tsc_clocksource_reliable = 1;
> > + if (!strcmp(str, "perfect")) {
> > + tsc_clocksource_reliable = 1;
> > + sched_clock_stable = 1;
> > + }
>
> else if(!strcmp(str, "pony")) {
> tsc_clocksource_reliable = 1;
> sched_clock_stable = 1;
> tsc_perfect_smp_synchronization = 1;
else if (!strcmp(str, "real")
panic("Can't handle real TSCs!\n");
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