From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753605AbZBCFTb (ORCPT ); Tue, 3 Feb 2009 00:19:31 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751347AbZBCFTW (ORCPT ); Tue, 3 Feb 2009 00:19:22 -0500 Received: from terminus.zytor.com ([198.137.202.10]:54101 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750998AbZBCFTV (ORCPT ); Tue, 3 Feb 2009 00:19:21 -0500 Message-ID: <4987D3AD.1080605@zytor.com> Date: Mon, 02 Feb 2009 21:18:37 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Martin Hicks CC: Ingo Molnar , tglx@linutronix.de, mingo@redhat.com, heukelum@mailshack.com, linux-kernel , kdb@sgi.com Subject: Re: [PATCH] x86: push old stack address on irqstack for unwinder References: <20090130165053.GE7872@alcatraz.americas.sgi.com> <49838F39.6060603@zytor.com> <49839CC8.7060502@zytor.com> <20090131003921.GA13709@elte.hu> <20090131174559.GI7872@alcatraz.americas.sgi.com> In-Reply-To: <20090131174559.GI7872@alcatraz.americas.sgi.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Martin Hicks wrote: > > I was searching around, trying to find out if there was another way for > kdb to do this, and I think removing the backlink is breaking other > stuff also. dump_trace() in dumpstack_64.S is using the same trick as > KDB to trace out of the interrupt stack: > OK, that makes it a no-brainer. Applied to tip:x86/urgent, thanks! -hpa -- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.