linux-kernel - Re: xen: IPI interrupts not resumed early enough on suspend/resume

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Date:	Mon, 3 Oct 2011 22:28:59 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	Ian Campbell <Ian.Campbell@...rix.com>,
	Jeremy Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	xen-devel <xen-devel@...ts.xensource.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: xen: IPI interrupts not resumed early enough on suspend/resume

On Mon, 3 Oct 2011, Rafael J. Wysocki wrote:
> On Monday, October 03, 2011, Thomas Gleixner wrote:
> > We already shut down the nonboot cpus on suspend. We could do that
> > _before_ we disable devices and the interrupts.
> >  
> > Raphael ?
> 
> I'm afraid that wouldn't work.  At least right now our suspend sequence is
> reasonably in line with what ACPI says.
> 
> Besides, we suspend devices in parallel now, so that would be going backwards
> a bit.

Fair enough.
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