lkml.org 
[lkml]   [2014]   [Apr]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 29/38] tick-sched: remove wrapper around __tick_nohz_task_switch()
On Mon, Apr 14, 2014 at 09:53:51PM +0530, Viresh Kumar wrote:
> __tick_nohz_task_switch() was called only from tick_nohz_task_switch() and there
> is nothing much in tick_nohz_task_switch() as well. IOW, we don't need
> unnecessary wrapper over __tick_nohz_task_switch() to be there. Merge all code
> from __tick_nohz_task_switch() into tick_nohz_task_switch() and move it to
> tick-sched.c.
>
> This also moves check for tick_nohz_tick_stopped() outside of irq_save()
> context.

No, the wrapper is there on purpose in order to optimize the full dynticks off case in
the context switch path with the jump label'ed check on tick_nohz_full_enabled().


\
 
 \ /
  Last update: 2014-04-15 02:01    [W:0.126 / U:2.868 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site