From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt Date: Wed, 13 Feb 2013 18:41:48 +0100 (CET) Message-ID: References: <1360771932-27150-1-git-send-email-bigeasy@linutronix.de> <1360776274.23152.7.camel@gandalf.local.home> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Sebastian Andrzej Siewior , linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org, Carsten Emde To: Steven Rostedt Return-path: In-Reply-To: <1360776274.23152.7.camel@gandalf.local.home> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org On Wed, 13 Feb 2013, Steven Rostedt wrote: > On Wed, 2013-02-13 at 17:11 +0100, Sebastian Andrzej Siewior wrote: > > 3.2-rt is a long term supported kernel, which lacks two RT features > > from 3.6: SLUB support and the split softirq lock implementation. > > > > SLUB has a way better performance than SLAB on RT and the split > > softirq lock implementation is necessary especially for realtime > > networking applications. > > > > The following patch series backports these features to 3.2-rt. > > > > Steven, could you please apply these patches to a separate > > 3.2-rt-features branch? > > Is it possible to separate these two features into two different patch > sets. I would like to apply the softirq changes first, and then apply > the slub changes. > > Although it looks as though the first half is softirq only 1-8, and the > second half is slub related 9-16. If that's the case, I'll just pull in > 1-8 first, play with them, and then do 9-16. That's correct.