Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754772AbZJZF5j (ORCPT ); Mon, 26 Oct 2009 01:57:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754739AbZJZF5i (ORCPT ); Mon, 26 Oct 2009 01:57:38 -0400 Received: from mail.gmx.net ([213.165.64.20]:57126 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754738AbZJZF5i (ORCPT ); Mon, 26 Oct 2009 01:57:38 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX19tCdNh+NFt7aVRWiuvCCpdi19FXeKuw7Fl4Drn0r J6QFsz8cZf6ZMN Subject: Re: [PATCH 3/3] sched: Disable affine wakeups by default From: Mike Galbraith To: Arjan van de Ven Cc: Peter Zijlstra , mingo@elte.hu, linux-kernel@vger.kernel.org In-Reply-To: <1256536078.7117.67.camel@marge.simson.net> References: <20091024125853.35143117@infradead.org> <20091024130432.0c46ef27@infradead.org> <20091024130728.051c4d7c@infradead.org> <1256453725.12138.40.camel@marge.simson.net> <20091025095109.449bac9e@infradead.org> <1256492289.14241.40.camel@marge.simson.net> <20091025123319.2b76bf69@infradead.org> <1256508287.17306.14.camel@marge.simson.net> <1256522035.7356.19.camel@laptop> <1256531907.7117.31.camel@marge.simson.net> <20091025215225.05ac9ac9@infradead.org> <1256533734.7117.45.camel@marge.simson.net> <20091025223657.5ebc2857@infradead.org> <1256536078.7117.67.camel@marge.simson.net> Content-Type: text/plain Date: Mon, 26 Oct 2009 06:57:40 +0100 Message-Id: <1256536660.8150.3.camel@marge.simson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1.1 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 X-FuHaFi: 0.66 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 792 Lines: 20 On Mon, 2009-10-26 at 06:47 +0100, Mike Galbraith wrote: > On Sun, 2009-10-25 at 22:36 -0700, Arjan van de Ven wrote: > > if you're a multicore domain you better have a shared cache.. that's > > what it should mean. If it does not we should fix that. > > Sounds reasonable to me. I'll go make explosions. (Actually, if multicode and sibling does indeed mean shared cache, no arch tinkering should be necessary, just reset SD_WAKE_AFFINE when degenerating should work fine. Only thing is multicore with siblings.. and test test test) -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/