From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [RFC/PATCH] PM / Sleep: Timer quiesce in freeze state
Date: Mon, 27 Oct 2014 08:28:16 +0100
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To: "Li, Aubrey" <aubrey.li@linux.intel.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>, "Brown, Len" <len.brown@intel.com>, "alan@linux.intel.com" <alan@linux.intel.com>, Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org, "linux-pm@vger.kernel.org >> Linux PM list" <linux-pm@vger.kernel.org>

On Mon, Oct 27, 2014 at 02:27:27PM +0800, Li, Aubrey wrote:
> > Now I suppose the problem is with cpu_pause() which needs IPIs to
> > complete? Do we really need cpuidle_pause() there?
> > cpuidle_uninstall_handlers() seems like a daft thing to call just about
> > there.
> 
> Please check the log of 8651f97bd951d0bb1c10fa24e3fa3455193f3548.
> Rafael should know more this question than me.

That changelog explains its complete bollocks to do it here. We _want_
to enter and/or remain in deep idle states.