Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 16 Jan 2002 04:17:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 16 Jan 2002 04:17:12 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:18957 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id ; Wed, 16 Jan 2002 04:14:59 -0500 Message-ID: <3C454491.CA18D4AE@mandrakesoft.com> Date: Wed, 16 Jan 2002 04:14:57 -0500 From: Jeff Garzik Organization: MandrakeSoft X-Mailer: Mozilla 4.79 [en] (X11; U; Linux 2.5.2-pre9fs7 i686) X-Accept-Language: en MIME-Version: 1.0 To: Craig Christophel CC: linux-kernel@vger.kernel.org Subject: Re: likely/unlikely In-Reply-To: <20020116032300.AAA27749@shell.webmaster.com@whenever> <3C450C4A.8A8382A6@mandrakesoft.com> <20020116113143.C99F8B581@smtp.transgeek.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Craig Christophel wrote: > > > likely/unlikely set the branch prediction values to 99% or 1% > > So all of the BUG() routines in the kernel would benifit greatly from this. It's likely :) I would put one unlikely() in the definition of BUG_ON, rather rather touching all the code that calls BUG(), though. Jeff -- Jeff Garzik | Alternate titles for LOTR: Building 1024 | Fast Times at Uruk-Hai MandrakeSoft | The Took, the Elf, His Daughter and Her Lover | Samwise Gamgee: International Hobbit of Mystery - 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/