Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756010Ab0K3SUQ (ORCPT ); Tue, 30 Nov 2010 13:20:16 -0500 Received: from mga09.intel.com ([134.134.136.24]:3916 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755490Ab0K3SUP (ORCPT ); Tue, 30 Nov 2010 13:20:15 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.59,281,1288594800"; d="scan'208";a="579122998" Subject: Re: [PATCH 0/2] Fix dmar fault interrupt problems From: Suresh Siddha Reply-To: Suresh Siddha To: Chris Wright Cc: Kenji Kaneshige , "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "indou.takao@jp.fujitsu.com" In-Reply-To: <20101130181314.GH10050@sequoia.sous-sol.org> References: <4CF4B597.4030708@jp.fujitsu.com> <1291140553.2623.10.camel@sbsiddha-MOBL3> <20101130181314.GH10050@sequoia.sous-sol.org> Content-Type: text/plain Organization: Intel Corp Date: Tue, 30 Nov 2010 10:20:19 -0800 Message-Id: <1291141220.2623.13.camel@sbsiddha-MOBL3> Mime-Version: 1.0 X-Mailer: Evolution 2.26.3 (2.26.3-1.fc11) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1314 Lines: 33 On Tue, 2010-11-30 at 10:13 -0800, Chris Wright wrote: > * Suresh Siddha (suresh.b.siddha@intel.com) wrote: > > On Tue, 2010-11-30 at 00:28 -0800, Kenji Kaneshige wrote: > > > Hi, > > > > > > Here are patches to fix the following problems regarding dmar fault interrupt. > > > > > > - No dmar fault event is notified in x2apic cluster mode > > > - Changing IRQ affinity of dmar fault interrupt causes "No irq handler > > > for vector (irq XX)" message and dmar fault interrupts are never > > > notified after that. > > > > Kenji, In addition to these two, there are couple of more patches that > > are needed to fix the kexec/kdump issue that we are debugging on RH > > bugzilla. > > > > I will post all these 4 patches shortly. I already noticed and queued > > the second patch (dmar irq migration) you mentioned. > > And one of them (the additional call to flushing existing dmar faults) > is not needed. yes, that patch is not needed for the current kexec/kdump issue. But nevertheless that is an issue that needs to be addressed aswell. thanks, suresh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/