lkml.org 
[lkml]   [2009]   [Apr]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [v4 RFC PATCH 1/4] timers: Framework for identifying pinned timers
On Wed, Apr 01, 2009 at 05:02:58PM +0530, Arun R Bharadwaj wrote:
> * Arun R Bharadwaj <arun@linux.vnet.ibm.com> [2009-04-01 17:01:28]:
>
> This patch creates a new framework for identifying cpu-pinned timers
> and hrtimers.
>
>
> This framework is needed because pinned timers are expected to fire on
> the same CPU on which they are queued. So it is essential to identify
> these and not migrate them, in case there are any.

How would that interact with add_timer_on()? You currently only
support the current CPU, don't you?

e.g. the new tip x86 machine check polling code relies on add_timer_on
staying on that CPU.

-Andi

--
ak@linux.intel.com -- Speaking for myself only.


\
 
 \ /
  Last update: 2009-04-01 13:43    [W:0.088 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site