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

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Message-ID: <1318843504.16132.1.camel@zakaz.uk.xensource.com>
Date:	Mon, 17 Oct 2011 10:25:03 +0100
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <Jeremy.Fitzhardinge@...rix.com>,
	xen-devel <xen-devel@...ts.xensource.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: Re: [Xen-devel] Re: xen: IPI interrupts not resumed early enough on
 suspend/resume

On Mon, 2011-10-17 at 09:51 +0100, Thomas Gleixner wrote:
> On Sat, 15 Oct 2011, Ian Campbell wrote:
> 
> > On Fri, 2011-10-14 at 14:23 +0100, Ian Campbell wrote:
> > > Ping? The original issue has made it into longterm-2.6.32.y and then
> > > onto Debian (bug #644604) so people keep asking me about it...
> > 
> > Sorry, the previous version had a warning in it (was missing the return
> > type for resume_irqs), fixed up version follows.
> > 
> > I noticed that the backport to longterm 2.6.32 won't work since syscore
> > isn't available back then. I think one approach for the backport would
> > be to call irq_pm_syscore_resume() directly from sysdev_resume(), does
> > that sound sensible?
> 
> I think so. Can you please add a description (or the five lines patch)
> for the stable folks to the changelog, so they don't have to dig
> around ?

If you are happy with the mainline version I'll send out a backported
version to stable@.

Ian.


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