linux-kernel - Re: [PATCH] x86, irq: Fix regression caused by commit b568b8601f05

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Message-ID: <20150217185012.GI7119@twins.programming.kicks-ass.net>
Date:	Tue, 17 Feb 2015 19:50:12 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Pavel Machek <pavel@....cz>, Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Ville Syrjälä <syrjala@....fi>,
	Len Brown <len.brown@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
	Sander Eikelenboom <linux@...elenboom.it>,
	linux-acpi@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86, irq: Fix regression caused by commit b568b8601f05

On Tue, Feb 17, 2015 at 06:55:14PM +0100, Rafael J. Wysocki wrote:
> On Monday, February 16, 2015 08:36:37 PM Pavel Machek wrote:
> > On Mon 2015-02-16 10:11:13, Jiang Liu wrote:
> > > Commit b568b8601f05 ("Treat SCI interrupt as normal GSI interrupt")
> > > accidently removes support of legacy PIC interrupt when fixing a
> > 
> > accidentaly?
> > 
> > > regression for Xen, which causes a nasty regression on HP/Compaq
> > > nc6000 where we fail to register the ACPI interrupt, and thus
> > > lose eg. thermal notifications leading a potentially overheated
> > > machine.
> > > 
> > > So reintroduce support of legacy PIC based ACPI SCI interrupt.
> > > 
> > > Reported-by: Ville Syrjälä <syrjala@....fi>
> > > Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
> > 
> > Acked-by: Pavel Machek <pavel@....cz>
> 
> Is anyone taking care of this one or should I take it?
> 
> Ingo, Peter?

Gots it, thanks!
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