Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756061AbZCFXIU (ORCPT ); Fri, 6 Mar 2009 18:08:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752649AbZCFXIL (ORCPT ); Fri, 6 Mar 2009 18:08:11 -0500 Received: from silver.sucs.swan.ac.uk ([137.44.10.1]:51476 "EHLO silver.sucs.swan.ac.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750728AbZCFXIK (ORCPT ); Fri, 6 Mar 2009 18:08:10 -0500 Date: Fri, 6 Mar 2009 23:08:04 +0000 From: Sitsofe Wheeler To: Darren Hart Cc: Peter Zijlstra , Ingo Molnar , "lkml, " Subject: Re: Dynamically determine if kernel includes CFS Scheduler Message-ID: <20090306230804.GA963@silver.sucs.org> References: <49B18B2E.606@us.ibm.com> <20090306225312.GA25593@silver.sucs.org> <49B1AB3A.2050303@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49B1AB3A.2050303@us.ibm.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 813 Lines: 18 On Fri, Mar 06, 2009 at 03:01:14PM -0800, Darren Hart wrote: > > So I am of course in agreement with both you and Peter. In this case, > the development team of an existing product is trying to move away from > heavy use of sched_yield(), and the CFS scheduler provides some Hmm. The only thing I'll say about checking kernel versions is: do some tests/checks with the different enterprise distro kernels. I don't think they tend to do big backports any more but if they have that kernel version check could become tricky... -- Sitsofe | http://sucs.org/~sits/ -- 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/