Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754239Ab2EYGOd (ORCPT ); Fri, 25 May 2012 02:14:33 -0400 Received: from mailout-de.gmx.net ([213.165.64.23]:44799 "HELO mailout-de.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751124Ab2EYGOc (ORCPT ); Fri, 25 May 2012 02:14:32 -0400 X-Authenticated: #14349625 X-Provags-ID: V01U2FsdGVkX189FFt0XYA9oHTsltUxiKg2tPOb6PIBiik6fAMI5o UrpWYoMouB31CV Message-ID: <1337926468.5415.48.camel@marge.simpson.net> Subject: Re: [rfc][patch] select_idle_sibling() inducing bouncing on westmere From: Mike Galbraith To: Peter Zijlstra Cc: lkml , Suresh Siddha , Paul Turner , Arjan Van De Ven Date: Fri, 25 May 2012 08:14:28 +0200 In-Reply-To: <1337865641.9783.149.camel@laptop> References: <1337857490.7300.19.camel@marge.simpson.net> <1337865431.9783.148.camel@laptop> <1337865641.9783.149.camel@laptop> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 736 Lines: 18 On Thu, 2012-05-24 at 15:20 +0200, Peter Zijlstra wrote: > On Thu, 2012-05-24 at 15:17 +0200, Peter Zijlstra wrote: > > For power7 with 4 smt it would end up as 1230 I guess. > > One more thing, in light of that, can't you simplify the core stuff to > be a simple shift as well? map them 123450, does it really matter to > pair them off like 103254 ? In my head it does. Buddies need to be glued together so we can use them as a team to convert overlap and kick butt on ramp up. -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/