Messages in this thread | | | Date | Sun, 19 Feb 2012 13:51:32 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] x86 uv: lower UV rtc clocksource rating |
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* Dimitri Sivanich <sivanich@sgi.com> wrote:
> On Fri, Feb 17, 2012 at 01:02:42PM +0100, Ingo Molnar wrote: > > > > * Dimitri Sivanich <sivanich@sgi.com> wrote: > > > > > Lower the rating of the UV rtc clocksource to just below that of the tsc. > > > > This changelog is deficient for obvious reasons, mind updating > > it? > > > OK. Is this sufficient? > > > Lower the rating of the UV rtc clocksource to just below that of the tsc. > > Reading the tsc clocksource has lower latency than reading the rtc, so favor > it in situations where it is synchronized and stable. When the tsc is > unsynchronized, the rtc needs to be the chosen clocksource.
Yeah, perfect, thanks.
Ingo
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