Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750853AbWIMRyq (ORCPT ); Wed, 13 Sep 2006 13:54:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750870AbWIMRyq (ORCPT ); Wed, 13 Sep 2006 13:54:46 -0400 Received: from smtp106.mail.mud.yahoo.com ([209.191.85.216]:25449 "HELO smtp106.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S1750851AbWIMRyo (ORCPT ); Wed, 13 Sep 2006 13:54:44 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=tenPvnS47rTYuqmT7p6FA8D21nq/K+e2H8EbNQEGGklcivgjkDPJzT9SE/sAmPm2p0Z2vYaTU5g35xyTd71fEvL27UCmOcwv6x+gvXkwVZBsA7uKaIKzTNvFz+3XxBMg3Ivd4gha4cMC39SpnvDGziRCdl2Kb7Q6nMVRUePjMyw= ; Message-ID: <450845CC.6000402@yahoo.com.au> Date: Thu, 14 Sep 2006 03:54:20 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20051007 Debian/1.7.12-1 X-Accept-Language: en MIME-Version: 1.0 To: Andi Kleen CC: Arjan van de Ven , Dong Feng , Paul Mackerras , Christoph Lameter , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, David Howells Subject: Re: Why Semaphore Hardware-Dependent? References: <1156750249.3034.155.camel@laptopd505.fenrus.org> <44F395DE.10804@yahoo.com.au> <200608290807.40963.ak@suse.de> In-Reply-To: <200608290807.40963.ak@suse.de> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 724 Lines: 20 [sorry, I missed some emails when I was out of action a while back. Catching up...] Andi Kleen wrote: >>and chuck out the "crappy" rwsem fallback implementation > > > What is crappy with it? I just mean that it is supposedly the second class implementation. Just seems wrong when powerpc has implemented the "better" version in a completely generic way (patch to follow). -- SUSE Labs, Novell Inc. Send instant messages to your online friends http://au.messenger.yahoo.com - 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/