From owner-svn-src-all@FreeBSD.ORG Wed Apr 29 17:02:02 2009 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EC1D91065672; Wed, 29 Apr 2009 17:02:02 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from mail.cksoft.de (mail.cksoft.de [195.88.108.3]) by mx1.freebsd.org (Postfix) with ESMTP id A15588FC2A; Wed, 29 Apr 2009 17:02:02 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from localhost (amavis.fra.cksoft.de [192.168.74.71]) by mail.cksoft.de (Postfix) with ESMTP id ADA1A41C75D; Wed, 29 Apr 2009 18:45:06 +0200 (CEST) X-Virus-Scanned: amavisd-new at cksoft.de Received: from mail.cksoft.de ([195.88.108.3]) by localhost (amavis.fra.cksoft.de [192.168.74.71]) (amavisd-new, port 10024) with ESMTP id OCL2qAIQg6hd; Wed, 29 Apr 2009 18:45:06 +0200 (CEST) Received: by mail.cksoft.de (Postfix, from userid 66) id 3D4C441C75B; Wed, 29 Apr 2009 18:45:06 +0200 (CEST) Received: from maildrop.int.zabbadoz.net (maildrop.int.zabbadoz.net [10.111.66.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.int.zabbadoz.net (Postfix) with ESMTP id AAFBA4448E6; Wed, 29 Apr 2009 16:43:50 +0000 (UTC) Date: Wed, 29 Apr 2009 16:43:50 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@maildrop.int.zabbadoz.net To: Jeff Roberson In-Reply-To: <200904290315.n3T3FiJW067558@svn.freebsd.org> Message-ID: <20090429164314.F15361@maildrop.int.zabbadoz.net> References: <200904290315.n3T3FiJW067558@svn.freebsd.org> X-OpenPGP-Key: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r191643 - in head/sys: kern sys X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Apr 2009 17:02:03 -0000 On Wed, 29 Apr 2009, Jeff Roberson wrote: > Author: jeff > Date: Wed Apr 29 03:15:43 2009 > New Revision: 191643 > URL: http://svn.freebsd.org/changeset/base/191643 > > Log: > - Remove the bogus idle thread state code. This may have a race in it > and it only optimized out an ipi or mwait in very few cases. > - Skip the adaptive idle code when running on SMT or HTT cores. This > just wastes cpu time that could be used on a busy thread on the same > core. > - Rename CG_FLAG_THREAD to CG_FLAG_SMT to be more descriptive. Re-use > CG_FLAG_THREAD to mean SMT or HTT. > > Sponsored by: Nokia I think it was this of your commits that broke various kernels on ia64, arm, powerpc, .. -- Bjoern A. Zeeb The greatest risk is not taking one.