From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [PATCH] - Add IOAPIC NMI support on x86_64 Date: Tue, 19 Jun 2007 16:34:53 +0200 Message-ID: <20070619143453.GA4243@one.firstfloor.org> References: <200706191334.l5JDYKWR253517@fcbayern.americas.sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from one.firstfloor.org ([213.235.205.2]:37555 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754576AbXFSOe5 (ORCPT ); Tue, 19 Jun 2007 10:34:57 -0400 Content-Disposition: inline In-Reply-To: <200706191334.l5JDYKWR253517@fcbayern.americas.sgi.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: John Keller Cc: Andi Kleen , linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, steiner@sgi.com > In our specific case, a loadable driver will register to process > the NMI generated by a timer device on the IOAPIC pin. The driver > will need to unmask/mask the NMI interrupt at init/exit time. > > The timer NMI interrupt will be used to synchronize cluster nodes. We normally don't add hooks which are only useful for out of tree modules unless there is a very good justification for it. -Andi