lkml.org 
[lkml]   [2014]   [Jul]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] cpufreq, store_scaling_governor requires policy->rwsem to be held for duration of changing governors [v2]
Date
On Wednesday, July 30, 2014 06:36:00 PM Saravana Kannan wrote:
> On 07/30/2014 02:40 PM, Rafael J. Wysocki wrote:
> > On Wednesday, July 30, 2014 10:18:25 AM Prarit Bhargava wrote:
> >>
> >> On 07/29/2014 08:03 PM, Rafael J. Wysocki wrote:
> >>> On Tuesday, July 29, 2014 07:46:02 AM Prarit Bhargava wrote:
> >
> > [cut]
> >
> >>>> This patch effectively reverts commit 955ef483.
>
> The issue reported in this patch is valid. We are seeing that internally
> too. I believe I reported it in another thread (within the past month).
>
> However, the original patch fixes a real deadlock issue (I'm too tired
> to look it up now). We can revet the original, but it's going to bring
> back the original issue. I just want to make sure Prarit and Raphael
> realize this before proceeding.
>
> I do have plans for a proper fix for the mainline (not stable branches),
> but plan to do that after the current set of suspend/hotplug patches go
> through. The fix would be easier to make after that.
>
> >>>
> >>> OK, I'm convinced by this.
> >>>
> >>> I suppose we should push it for -stable from 3.10 through 3.15.x, right?
> >>
> >> Rafael, I think that is a good idea. I'm not sure what the protocol is for
> >> adding stable@kernel.org though ...
> >
> > I'll take care of this, thanks!
> >
>
> But you aren't going to pull the in for the next release, right?

What do you mean?

Rafael



\
 
 \ /
  Last update: 2014-07-31 04:41    [W:0.258 / U:0.376 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site