From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755242Ab0JUIwv (ORCPT ); Thu, 21 Oct 2010 04:52:51 -0400 Received: from mailout-de.gmx.net ([213.165.64.23]:42533 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1750875Ab0JUIwu (ORCPT ); Thu, 21 Oct 2010 04:52:50 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1+wY4kACnqwG0JLOta8gBVAQFhKdG4Gj5NHj3sYlQ B66BOVUIUPpjX3 Subject: Re: [RFC/RFT PATCH] sched: automated per tty task groups From: Mike Galbraith To: Markus Trippelsdorf Cc: Ingo Molnar , Linus Torvalds , LKML , Peter Zijlstra , Mathieu Desnoyers In-Reply-To: <20101021084838.GA1590@arch.trippelsdorf.de> References: <1287479765.9920.9.camel@marge.simson.net> <1287487757.24189.40.camel@marge.simson.net> <1287511983.7417.45.camel@marge.simson.net> <1287514410.7368.10.camel@marge.simson.net> <20101020025652.GB26822@elte.hu> <1287648715.9021.20.camel@marge.simson.net> <20101021084838.GA1590@arch.trippelsdorf.de> Content-Type: text/plain Date: Thu, 21 Oct 2010 10:52:45 +0200 Message-Id: <1287651165.9021.38.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2010-10-21 at 10:48 +0200, Markus Trippelsdorf wrote: > On Thu, Oct 21, 2010 at 10:11:55AM +0200, Mike Galbraith wrote: > > On Wed, 2010-10-20 at 04:56 +0200, Ingo Molnar wrote: > > > > > Mind doing more of the tty->desktop renames/generalizations as Linus suggested, and > > > resend the patch? > > > > Here she comes. Better/Worse? > > > > Changes: > > - tty->autogroup. > > - only autogroup fair class tasks. > > - removed dainbramaged sleeper vruntime twiddling. > > - removed paranoid locking. > > - removed noop detatch code. > > > > > I'd also suggest to move it out of EXPERIMENTAL - we dont really do that for core > > > kernel features as most distros enable CONFIG_EXPERIMENTAL so it's a rather > > > meaningless distinction. Since the feature is default-n, people will get the old > > > scheduler by default but can also choose this desktop-centric scheduling mode. > > > > > > I'd even argue to make it default-y, because this patch clearly cures a form of > > > kbuild cancer. > > > > You top dogs can make the default call.. it it's accepted that is ;-) > > > > Marcus: care to try the below? Works fine for me (but so did first > > cut). It depends on the attached patch, and applied to virgin shiny new > > 2.6.36. > > Works fine interactively, but I still get the same kernel BUG on reboot > time as before. Would a photo of the trace help you? Odd. Yeah, please send me the photo and your .config. -Mike