From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756119AbZFWIHs (ORCPT ); Tue, 23 Jun 2009 04:07:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751535AbZFWIHe (ORCPT ); Tue, 23 Jun 2009 04:07:34 -0400 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:56177 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751032AbZFWIHb (ORCPT ); Tue, 23 Jun 2009 04:07:31 -0400 Message-ID: <4A408D32.9010500@jp.fujitsu.com> Date: Tue, 23 Jun 2009 17:07:14 +0900 From: Hidetoshi Seto User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) MIME-Version: 1.0 To: Robin Holt CC: linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, Vivek Goyal , Haren Myneni , kexec@lists.infradead.org Subject: Re: [PATCH 1/7] ia64, kdump: Mask MCA/INIT on freezing cpus References: <4A39E247.4030908@jp.fujitsu.com> <4A39E2CF.80901@jp.fujitsu.com> <20090622134557.GC7084@sgi.com> <4A4022EA.1020506@jp.fujitsu.com> <20090623055536.GE6865@sgi.com> In-Reply-To: <20090623055536.GE6865@sgi.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Robin Holt wrote: > On Tue, Jun 23, 2009 at 09:33:46AM +0900, Hidetoshi Seto wrote: >> Robin Holt wrote: > ... >> Do you mean that the 2nd kernel should be able to handle MCA/INIT from its >> boot up? I guess the word PROM is nearly equal to PAL/SAL firmware, if so >> then I don't think there are good generic interface/procedure could be >> useful here. Do you have any concrete idea? > > No concrete ideas. Just a really uneasy feeling whenever the INIT > is disabled. Don't worry, don't be afraid. Again, my patches don't disable INIT until kdump is invoked. (And if kdump is invoked via INIT, it have already masked at the begging of INIT handlers.) > If you could give this some consideration, I would appreciate it. > I really don't have the time to dedicate to thinking all the way through > and therefore will not stand in the way of any patch you propose. > If I can be of help in any way, please let me know. I know you guys are busy with this and that... It would be the best if you could test my patches soon on SGI servers, but I would appreciate it too if you could let me know if you have any trouble on the patches later. Thanks, H.Seto