lkml.org 
[lkml]   [2007]   [May]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch] i386, numaq: enable TSCs again

* William Lee Irwin III <wli@holomorphy.com> wrote:

> > Andi, Andrew, do you remember why we disabled TSCs on NUMAQ? It was
> > slightly async between CPUs, right? In that case we should try the
> > patch below.
>
> I remember. It was far beyond "slightly async;" they would drift
> minutes apart during reasonable amounts of uptime, though it would
> take at least several days to drift so far (I don't recall how long it
> took).

yes, that's what i meant under 'slightly async'. Some AMD CPUs are like
that too and sched_clock() now handles that fine. So we should try my
patch.

Ingo
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-05-25 10:35    [from the cache]
©2003-2011 Jasper Spaans