From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262648AbUBYHTq (ORCPT ); Wed, 25 Feb 2004 02:19:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262654AbUBYHTp (ORCPT ); Wed, 25 Feb 2004 02:19:45 -0500 Received: from svr44.ehostpros.com ([66.98.192.92]:36315 "EHLO svr44.ehostpros.com") by vger.kernel.org with ESMTP id S262648AbUBYHTm (ORCPT ); Wed, 25 Feb 2004 02:19:42 -0500 From: "Amit S. Kale" Organization: EmSysSoft To: Tom Rini , Pavel Machek Subject: Re: Split kgdb into "lite" and "normal" parts Date: Wed, 25 Feb 2004 12:49:28 +0530 User-Agent: KMail/1.5 Cc: kernel list References: <20040218225010.GH321@elf.ucw.cz> <20040224232703.GC9209@elf.ucw.cz> <20040224233809.GK1052@smtp.west.cox.net> In-Reply-To: <20040224233809.GK1052@smtp.west.cox.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200402251249.28519.amitkale@emsyssoft.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - svr44.ehostpros.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - emsyssoft.com Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 25 Feb 2004 5:08 am, Tom Rini wrote: > On Wed, Feb 25, 2004 at 12:27:03AM +0100, Pavel Machek wrote: > > Hi! > > > > > > > > Tested (core-lite.patch + i386-lite.patch + 8250.patch) > > > > > > combination. Looks good. > > > > > > > > > > > > Let's first check this in and then do more cleanups. > > > > > > Tom, does it sound ok? > > > > > > > > > > This sounds fine to me. Pavel, I'm guessing you did this with > > > > > quilt, could you provide some pointers on how to replicate this in > > > > > the future? > > > > > > > > Unfortunately, I done it by hand :-(. But if -lite parts are not > > > > merged, soon, I'll be forced to start using quilt. Doing stuff by > > > > hand is quite painfull... > > > > > > There's still a whole bunch of bogons in the -lite patch still, so I > > > don't think it should be merged yet. > > > > Well, it seems to contains a *lot* less bogons than what currently is > > in -mm series. > > > > What big problems do you see? It does not yet use weak symbols, but I > > do not think that's a serious problem. What else? > > The first two big ones are: > - Doesn't like gdb 6.0 (You cannot assume the first packet is Hc...) Can you tell me more about this? > - Wierdities with kgdb_killed_or_detached / kgdb_might_be_resumed > (both can die). Yes. These have to be thought over again. I don't think a perfect solution exists for all problems related to gdb kill/die followed by a reattach. We should attempt a proper design describing different scenarios. > - All of the function pointer games (of which the weak symbols, but not > all of them) are a part of. > - Issues w/ handling 'D' and 'k' packets cleaner (and I think there was > a correctness fix in there, too, but it was a while ago). Is this wrt kgdb_killed.., kgdb_might..., remove breakpoints? > - Don't ACK packets sitting on the line More info please. -Amit > - kgdb_schedule/process_breakpoint, required for kgdboe, harmless to use > on serial. > > There's still a lot of stuff I checked into linux-2.6-kgdb that's > non-trivially important > (http://ppc.bkbits.net:8080/linux-2.6-kgdb/ChangeSet@-4w?nav=index.html)