lkml.org 
[lkml]   [2010]   [Dec]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RFC PATCH 15/15] nohz_task: Procfs interface
From
Date
On Tue, 2010-12-21 at 02:24 +0100, Frederic Weisbecker wrote:
>
> > Also, I'm not quite happy with the pure userspace restriction, but at
> > least I see why you did that event though you didn't mention that.
>
> What do you mean? The fact that kernel threads can not be nohz task?

No, that you key off kernel/user boundary transitions. Arguably one
could allow simply system calls and page-faults to happen without
restarting the tick, then again, RCU is very pervasive these days so I'm
not quite sure you can actually make that happen.




\
 
 \ /
  Last update: 2010-12-21 09:17    [W:0.106 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site