Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756106AbYBLTlh (ORCPT ); Tue, 12 Feb 2008 14:41:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752860AbYBLTlY (ORCPT ); Tue, 12 Feb 2008 14:41:24 -0500 Received: from one.firstfloor.org ([213.235.205.2]:49771 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752854AbYBLTlX (ORCPT ); Tue, 12 Feb 2008 14:41:23 -0500 Date: Tue, 12 Feb 2008 21:16:53 +0100 From: Andi Kleen To: "Frank Ch. Eigler" Cc: Andrew Morton , Andi Kleen , Linus Torvalds , Ingo Molnar , linux-kernel@vger.kernel.org, Roland McGrath , Thomas Gleixner , "H. Peter Anvin" Subject: Re: [git pull] kgdb-light -v10 Message-ID: <20080212201653.GA8005@one.firstfloor.org> References: <20080212100327.GA30873@one.firstfloor.org> <20080212112747.GA1569@elte.hu> <20080212121903.GA419@one.firstfloor.org> <20080212123839.GA15360@elte.hu> <20080212135027.GA1343@one.firstfloor.org> <20080212152846.GC3078@elte.hu> <20080212182024.GA4940@one.firstfloor.org> <20080212102010.d88886f3.akpm@linux-foundation.org> <20080212193451.GE19619@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080212193451.GE19619@redhat.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 874 Lines: 23 On Tue, Feb 12, 2008 at 02:34:51PM -0500, Frank Ch. Eigler wrote: > Hi - > > On Tue, Feb 12, 2008 at 10:20:10AM -0800, Andrew Morton wrote: > > [...] Bear in mind that one of the things you do with kgdb is to > > modify kernel memory [...] > > Just for completeness, keep in mind that one can already > do these sorts of things on a batch basis using systemtap: You don't even need systemtap: it has been always possible with gdb -write vmlinux /proc/kcore The only value add of the kgdb stub is really that you can single step too and do post mortem (although the later works fine using kdump/crash these days too) -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/