Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932716Ab1ERBYH (ORCPT ); Tue, 17 May 2011 21:24:07 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.123]:64739 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932571Ab1ERBYG (ORCPT ); Tue, 17 May 2011 21:24:06 -0400 X-Authority-Analysis: v=1.1 cv=y6zMVzRGPZqd+EkIbWgKRW0ZY5+85Abqc3bXR1aXymM= c=1 sm=0 a=XYJHFtupD_QA:10 a=7JApkIGHcZkA:10 a=5SG0PmZfjMsA:10 a=kj9zAlcOel0A:10 a=OPBmh+XkhLl+Enan7BmTLg==:17 a=XhHvhA-JzRRLiRPp-MoA:9 a=CjuIK1q_8ugA:10 a=OPBmh+XkhLl+Enan7BmTLg==:117 X-Cloudmark-Score: 0 X-Originating-IP: 67.242.120.143 Date: Tue, 17 May 2011 21:24:04 -0400 From: Steven Rostedt To: Mike Galbraith Cc: Hillf Danton , Yong Zhang , LKML , Ingo Molnar , Peter Zijlstra Subject: Re: [PATCH] sched: fix how RT task is pulled Message-ID: <20110518012404.GC23940@home.goodmis.org> References: <1305656829.6238.41.camel@marge.simson.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1305656829.6238.41.camel@marge.simson.net> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 528 Lines: 16 On Tue, May 17, 2011 at 08:27:09PM +0200, Mike Galbraith wrote: > > > > > Well, why is it going no head if not overloaded? > > To avoid examining masks (maybe huge) routinely. Challenge is to > improve oddball case (overload) without injuring the common case. Correct. -- Steve -- 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/