linux-kernel - Re: [v3.4-rc1] ACPI regression bisected

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Message-ID: <alpine.LFD.2.02.1204121903250.2542@ionos>
Date:	Thu, 12 Apr 2012 19:04:15 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Matthew Garrett <mjg59@...f.ucam.org>
cc:	Jörg Otte <jrg.otte@...glemail.com>,
	Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org,
	Len Brown <lenb@...nel.org>
Subject: Re: [v3.4-rc1] ACPI regression bisected

On Thu, 12 Apr 2012, Matthew Garrett wrote:

> On Thu, Apr 12, 2012 at 10:57:45AM +0200, Thomas Gleixner wrote:
> 
> > OK, so now the question is whether the ACPI interrupt can end up being
> > shared or not.
> 
> Per spec:
> 
> "OSPM is required to treat the ACPI SCI interrupt as a sharable, level, 
> active low interrupt."

I feared that. So now is the question whether there is a way to mask
the interrupt at the "device" level.

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