Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754164Ab0KUAT2 (ORCPT ); Sat, 20 Nov 2010 19:19:28 -0500 Received: from mailout-de.gmx.net ([213.165.64.23]:48287 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1751608Ab0KUAT1 (ORCPT ); Sat, 20 Nov 2010 19:19:27 -0500 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX1/A+yVfkIDAx/1TFbiHKAzhVdz8rzkpPYY3uMCcSu HKoMt4VYtmyLtP Subject: Re: [RFC/RFT PATCH v3] sched: automated per tty task groups From: Mike Galbraith To: Mika Laitio Cc: Lennart Poettering , Linus Torvalds , Dhaval Giani , Peter Zijlstra , Vivek Goyal , Oleg Nesterov , Markus Trippelsdorf , Mathieu Desnoyers , Ingo Molnar , LKML , Balbir Singh In-Reply-To: References: <20101116015648.GA11534@redhat.com> <1289916171.5169.117.camel@maggy.simson.net> <1289916683.2109.625.camel@laptop> <20101116170312.GA19327@tango.0pointer.de> <20101116181603.GC19327@tango.0pointer.de> <20101116205043.GG27235@tango.0pointer.de> Content-Type: text/plain; charset="UTF-8" Date: Sat, 20 Nov 2010 17:19:05 -0700 Message-ID: <1290298745.5559.12.camel@maggy.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.30.1.2 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 Content-Length: 905 Lines: 23 On Sun, 2010-11-21 at 00:16 +0200, Mika Laitio wrote: > > > What complexity? Have you looked at the patch? It has no complexity anywhere. > > > > > > It's a _lot_ less complex than having system daemons you don't > > > control. We have not had good results with that approach in the past. > > > System daemons tend to cause nasty problems, and debugging them is a > > > nightmare. > > > > Well, userspace doesn't bite. > > To me, this starts sounding like a legendary "userspace suspend" versus > "kernel suspend" support fights many years ago... Nah. Patch accepted, rejected, obsoleted 10 minutes from now etc etc, it'll never be a big deal. -Mike -- 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/