linux-kernel - Re: [PATCH] cpuidle: coupled: fix sleeping while atomic in cpu notifier

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Date:	Wed, 15 Aug 2012 22:16:10 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Colin Cross <ccross@...roid.com>
Cc:	Len Brown <lenb@...nel.org>, Len Brown <len.brown@...el.com>,
	Kevin Hilman <khilman@...com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpuidle: coupled: fix sleeping while atomic in cpu notifier

On Wednesday, August 08, 2012, Colin Cross wrote:
> On Tue, Aug 7, 2012 at 3:15 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > On Wednesday, July 25, 2012, Colin Cross wrote:
> >> The cpu hotplug notifier gets called in both atomic and non-atomic
> >> contexts, it is not always safe to lock a mutex.  Filter out all events
> >> except the six necessary ones, which are all sleepable, before taking
> >> the mutex.
> >>
> >> Signed-off-by: Colin Cross <ccross@...roid.com>
> >
> > Has this been applied already?
> 
> It's not in Linus' tree, and I haven't heard anything from Len.

Len appears to be unavailable.

I'll put it into the linux-next branch of the linux-pm.git tree and will
push it to Linus for -rc3 if Len doesn't show up till then.

Thanks,
Rafael
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