From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759506AbYHFCV1 (ORCPT ); Tue, 5 Aug 2008 22:21:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753931AbYHFCGr (ORCPT ); Tue, 5 Aug 2008 22:06:47 -0400 Received: from 166-70-238-42.ip.xmission.com ([166.70.238.42]:58073 "EHLO ns1.wolfmountaingroup.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757208AbYHFCGn (ORCPT ); Tue, 5 Aug 2008 22:06:43 -0400 Message-ID: <45269.166.70.238.45.1217987147.squirrel@webmail.wolfmountaingroup.com> In-Reply-To: <20080806020152.GA24801@one.firstfloor.org> References: <51549.166.70.238.45.1217815820.squirrel@webmail.wolfmountaingroup.com> <878wvb6i2o.fsf@basil.nowhere.org> <44644.166.70.238.45.1217985860.squirrel@webmail.wolfmountaingroup.com> <20080806020152.GA24801@one.firstfloor.org> Date: Tue, 5 Aug 2008 19:45:47 -0600 (MDT) Subject: Re: [PATCH 2.6.26 2/25] mdb: Merkey's Kernel Debugger From: jmerkey@wolfmountaingroup.com To: "Andi Kleen" Cc: jmerkey@wolfmountaingroup.com, "Andi Kleen" , linux-kernel@vger.kernel.org User-Agent: SquirrelMail/1.4.6 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Priority: 3 (Normal) Importance: Normal Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Tue, Aug 05, 2008 at 07:24:20PM -0600, jmerkey@wolfmountaingroup.com > wrote: >> >> I'll post some patches with these changes and submit it as a module. I >> will of course need to patch the kernel to introduce the die notifiers >> where >> they are not and there's the issue of cross call NMI to stop other >> processors on SMP. >> >> That's the real issues, Andi, is the xcall stuff for IPC to control all >> the processors. > > NMIs have die notifiers too. That said a cleaner way would be to > generalize > the synchronization code already in kdump and reuse that. > > -Andi > I can get that done. debuggers as modules makes more sense anyway. Jeff