lkml.org 
[lkml]   [2011]   [Oct]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC] [PATCH -rt 5/5] cpufreq: get rid of get_online_cpus()/put_online_cpus()


On Mon, 24 Oct 2011, Yong Zhang wrote:

> On Wed, Oct 19, 2011 at 11:12:20AM +0200, Thomas Gleixner wrote:
> > On Sun, 16 Oct 2011, Yong Zhang wrote:
> >
> > > Fix below false positive (seems this is not a real deadlock scenario)
> > > lockdep warning:
> >
> > This looks like you caused it with patch 1.
>
> Hmmm, yup.
> CPU_DOWN_PREPARE will be under cpu_hotplug.lock.
>
> > Both need a bit more
> > thought, but thanks for catching that.
>
> No sure whether it's big issue or not.
> Mind showing more about your concern?

This is probably not the only place which will run into that issue and
I have not much interest to patch all those sites.

Thanks,

tglx


\
 
 \ /
  Last update: 2011-10-24 11:27    [W:0.099 / U:0.072 seconds]
©2003-2014 Jasper Spaans. Advertise on this site