Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 25 Oct 2002 01:30:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 25 Oct 2002 01:30:25 -0400 Received: from dbl.q-ag.de ([80.146.160.66]:15786 "EHLO dbl.q-ag.de") by vger.kernel.org with ESMTP id ; Fri, 25 Oct 2002 01:30:25 -0400 Message-ID: <3DB8D86E.1000008@colorfullife.com> Date: Fri, 25 Oct 2002 07:36:46 +0200 From: Manfred Spraul User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.1) Gecko/20020827 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Andrew Morton CC: Hugh Dickins , cmm@us.ibm.com, linux-kernel@vger.kernel.org, dipankar@in.ibm.com, lse-tech@lists.sourceforge.net Subject: Re: [PATCH]updated ipc lock patch References: <3DB87458.F5C7DABA@digeo.com> <3DB88298.735FD044@digeo.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 771 Lines: 30 Andrew Morton wrote: >Hugh Dickins wrote: > > >>... >>Manfred and I have both reviewed the patch (or the 2.5.44 version) >>and we both recommend it highly (well, let Manfred speak for himself). >> >> >> > >OK, thanks. > >So I took a look. Wish I hadn't :( The locking rules in there >are outrageously uncommented. You must be brave people. > > Ahm. No idea who wrote the current locking. But the patch is very nice, it reduces the lock contention without increasing the number of spinlock calls. -- Manfred - 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/