Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754971Ab1B1Umb (ORCPT ); Mon, 28 Feb 2011 15:42:31 -0500 Received: from www.tglx.de ([62.245.132.106]:59936 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754515Ab1B1Umb (ORCPT ); Mon, 28 Feb 2011 15:42:31 -0500 Date: Mon, 28 Feb 2011 21:42:25 +0100 (CET) From: Thomas Gleixner To: Maarten Lankhorst cc: linux-kernel@vger.kernel.org Subject: Re: Taking forward the realtime work In-Reply-To: <4D691ACA.9090405@gmail.com> Message-ID: References: <4D691ACA.9090405@gmail.com> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1645 Lines: 38 Maarten, On Sat, 26 Feb 2011, Maarten Lankhorst wrote: > Hi all, > > After digging through the -rt patchset again I wanted to take it forward to > the current kernel, so far I didn't to get much work done as the code seems to > be kinda invasive, even with a lot of the things already in mainline. However > a lot of things in the -rt patch seem to no longer be needed, since softirqs > are merged, the BKL is gone, and there's a patch set out to make mm > preemptible. > > I've started testing from the mm-preempt patchset, and it seems to boot, but > now that I'm actually looking at the -rt patchset diff from v2.6.33.7 it's not > that trivial to port forward, so I'm looking for help. Blindly trying to apply > the diff forward 6 versions will not work, so I'm looking at how to add the > patches in such a way that each change is done in a logical order, in such a > way preferably that at each point the kernel is bootable. I understand that > for -rt there will be a few commits for which that won't be possible, but it > seems to me the amount of work needed to get -rt working isn't as big any more > as it used to be. > > Note: There's no guarantee I'll be able to pull it off, but there's this itch > I need to get rid of. ;) Note: It would be nice to Cc those who are working on it and I can assure you that there will be an update to -rt in the foreseeable future. Thanks, tglx -- 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/