From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765606AbYDYUYX (ORCPT ); Fri, 25 Apr 2008 16:24:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759719AbYDYUYO (ORCPT ); Fri, 25 Apr 2008 16:24:14 -0400 Received: from homer.mvista.com ([63.81.120.158]:55054 "EHLO gateway-1237.mvista.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1764440AbYDYUYO (ORCPT ); Fri, 25 Apr 2008 16:24:14 -0400 Subject: Re: Announce: Semaphore-Removal tree From: Daniel Walker To: Matthew Wilcox Cc: linux-kernel@vger.kernel.org, Stephen Rothwell In-Reply-To: <20080425170021.GH14990@parisc-linux.org> References: <20080425170021.GH14990@parisc-linux.org> Content-Type: text/plain Date: Fri, 25 Apr 2008 13:24:09 -0700 Message-Id: <1209155049.12461.40.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 (2.12.3-3.fc8) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2008-04-25 at 11:00 -0600, Matthew Wilcox wrote: > It's been a Good Idea for a while to use mutexes instead of > semaphores where possible. Additional debuggability, better optimised, > better-enforced semantics, etc. > > Obviously, there are some places that can't be converted to mutexes. > I'm not proposing blind changes. I've been through a dozen places > and found some that can be converted to spinlocks, others to > completions, but mostly to mutexes. So as not to lose these patches, > I've made them available as a git tree. I think the right way to get > these patches in will be to go through the maintainers of each file. > > I'll post a list of the places using semaphores later. My current list > is a bit out of date and contains insulting comments that I would like > to rephrase before the authors of the code in question see them ;-) I've got a bunch of these if you want to incorporate them.. I've been slowly trickling them up stream .. Daniel