Re: [PATCH] watchdog: fix for lockup detector breakage on resume

[Andrew Morton]

On Fri, 27 Apr 2012 14:40:01 -0700
Sameer Nanda <snanda@xxxxxxxxxxxx> wrote:

> On Fri, Apr 27, 2012 at 2:12 PM, Andrew Morton
> <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> 
> This call actually happens on "exit from suspend" or "entry into
> resume" processing so
> how about something like:
> 
> On exit from suspend we force an offline->online transition on the boot CPU so
> that the PMU state that was lost while in suspended state gets set up properly
> for the boot CPU.  This information is required for restarting the NMI watchdog.

OK, let's use that.

> > Also, this is all dead code if CONFIG_SUSPEND=n, so how about
> >

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