lkml.org 
[lkml]   [2019]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v2] PM/runtime: Fix autosuspend_delay on 32bits arch
Date
On Thursday, January 10, 2019 5:44:31 PM CET Tony Lindgren wrote:
> * Vincent Guittot <vincent.guittot@linaro.org> [190110 09:00]:
> > Cast autosuspend_delay in u64 to make sure that the full computation of
> > expires or slack will be done in u64, even on 32bits arch.
> > Otherwise, any delay greater than 2^31 nsec can overflow if signed 32bits
> > is used when moving delay from msec to nsec
> >
> > Fixes: 8234f6734c5d ("PM-runtime: Switch autosuspend over to using hrtimers")
> > Reported-by: Tony Lindgren <tony@atomide.com>
> > Tested-by: Tony Lindgren <tony@atomide.com>
> > Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
> > ---
> >
> > Change since v1:
> > - add u64 cast for slack computation
>
> Still works for me.

Applied, thanks!

\
 
 \ /
  Last update: 2019-01-11 11:40    [W:0.028 / U:8.580 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site