From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753955Ab0INRsa (ORCPT ); Tue, 14 Sep 2010 13:48:30 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:38400 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751763Ab0INRs3 (ORCPT ); Tue, 14 Sep 2010 13:48:29 -0400 Date: Tue, 14 Sep 2010 19:48:14 +0200 From: Ingo Molnar To: Andi Kleen Cc: Don Zickus , Huang Ying , "H. Peter Anvin" , "linux-kernel@vger.kernel.org" Subject: Re: [RFC 5/6] x86, NMI, Add support to notify hardware error with unknown NMI Message-ID: <20100914174814.GC3822@elte.hu> References: <45864.91.60.148.9.1284474680.squirrel@www.firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <45864.91.60.148.9.1284474680.squirrel@www.firstfloor.org> User-Agent: Mutt/1.5.20 (2009-08-17) X-ELTE-SpamScore: 1.0 X-ELTE-SpamLevel: s X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=1.0 required=5.9 tests=BAYES_50 autolearn=no SpamAssassin version=3.2.5 1.0 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.4947] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Some One stripped out all quoted identities and wrote: > > > > The proper approach would be not to add hacks to the NMI code but to > > implement southbridge drivers - which would also have NMI callbacks. > > BTW southbridges do less and less regarding PCI. Except WICTCR. > > These are unchartered waters, but variance in that space is reducing > > systematically so it would be worth a shot. > > You don't really need special drivers for AER [...] On the contrary, we need proper driverization for _everything_ new. Embedded x86 is here to stay, so we are abstracting away each and every bit of the platform. See struct x86_ops for a highlevel platform driver - but a more specific, southbridge-encompassing driver framework can be created too. Thanks, Ingo