lkml.org 
[lkml]   [2012]   [Feb]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] x86 uv: lower UV rtc clocksource rating
* 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


\
 
 \ /
  Last update: 2012-02-19 13:55    [W:0.035 / U:1.800 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site