From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932414AbVIZGrb (ORCPT ); Mon, 26 Sep 2005 02:47:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932415AbVIZGrb (ORCPT ); Mon, 26 Sep 2005 02:47:31 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:19371 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S932414AbVIZGra (ORCPT ); Mon, 26 Sep 2005 02:47:30 -0400 Date: Mon, 26 Sep 2005 08:48:18 +0200 From: Ingo Molnar To: Nick Piggin Cc: dwalker@mvista.com, lkml Subject: Re: [PATCH] RT: Checks for cmpxchg in get_task_struct_rcu() Message-ID: <20050926064818.GA3970@elte.hu> References: <1127345874.19506.43.camel@dhcp153.mvista.com> <433201FC.8040004@yahoo.com.au> <20050926062631.GE3273@elte.hu> <1127716753.5101.25.camel@npiggin-nld.site> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1127716753.5101.25.camel@npiggin-nld.site> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=AWL autolearn=disabled SpamAssassin version=3.0.4 0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Nick Piggin wrote: > On Mon, 2005-09-26 at 08:26 +0200, Ingo Molnar wrote: > > * Nick Piggin wrote: > > > > > You need my atomic_cmpxchg patches that provide an atomic_cmpxchg (and > > > atomic_inc_not_zero) for all architectures. > > > > yeah. When will they be merged upstream? > > > > Well they're in -mm now, you can put them in your RT tree until > they're in mainline... I guess realistically, 2.6.15. They should blow > up fairly quickly if there are any problems with them, but they simply > need a bit of testing on all architectures which I cannot do and I > suspect even -mm isn't tested on at least half of them. very good - i'll put them into -rt. Ingo