lkml.org 
[lkml]   [2008]   [Feb]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: printk timestamps jumping back and forth in 2.6.25-rc.
From
From: Paul Mackerras <paulus@samba.org>
Date: Fri, 29 Feb 2008 22:11:26 +1100

> On powerpc we use the timebase register, which is synchronized across
> CPUs, so if this will add unnecessary overhead, we will want to way to
> turn it off on powerpc (assuming this ends up going upstream).

Similarly on sparc64, all of our TSCs are fully synchronized so
this complexity is completely unnecessary.


\
 
 \ /
  Last update: 2008-02-29 21:01    [W:0.095 / U:0.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site