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[Xen-devel] Re: xen: IPI interrupts not resumed early enough on suspend/

To: "Rafael J. Wysocki" <rjw@xxxxxxx>
Subject: [Xen-devel] Re: xen: IPI interrupts not resumed early enough on suspend/resume
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Mon, 3 Oct 2011 22:28:59 +0200 (CEST)
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>, Jeremy Fitzhardinge <Jeremy.Fitzhardinge@xxxxxxxxxx>, Ian Campbell <Ian.Campbell@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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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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