From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758181Ab2DLREa (ORCPT ); Thu, 12 Apr 2012 13:04:30 -0400 Received: from www.linutronix.de ([62.245.132.108]:37712 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756538Ab2DLRE2 (ORCPT ); Thu, 12 Apr 2012 13:04:28 -0400 Date: Thu, 12 Apr 2012 19:04:15 +0200 (CEST) From: Thomas Gleixner To: Matthew Garrett cc: =?ISO-8859-15?Q?J=F6rg_Otte?= , Andi Kleen , linux-kernel@vger.kernel.org, Len Brown Subject: Re: [v3.4-rc1] ACPI regression bisected In-Reply-To: <20120412142904.GA4130@srcf.ucam.org> Message-ID: References: <20120402235412.GD16303@tassilo.jf.intel.com> <20120412142904.GA4130@srcf.ucam.org> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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.