Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764724AbXHQB31 (ORCPT ); Thu, 16 Aug 2007 21:29:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756417AbXHQB3P (ORCPT ); Thu, 16 Aug 2007 21:29:15 -0400 Received: from rhun.apana.org.au ([64.62.148.172]:3978 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755229AbXHQB3N (ORCPT ); Thu, 16 Aug 2007 21:29:13 -0400 Date: Fri, 17 Aug 2007 09:28:00 +0800 From: Herbert Xu To: "Paul E. McKenney" Cc: Christoph Lameter , Chris Snook , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Paul Mackerras , Satyam Sharma , Stefan Richter , Linux Kernel Mailing List , linux-arch@vger.kernel.org, Linus Torvalds , Netdev , Andrew Morton , ak@suse.de, heiko.carstens@de.ibm.com, David Miller , schwidefsky@de.ibm.com, wensong@linux-vs.org, horms@verge.net.au, wjiang@resilience.com, cfriesen@nortel.com, zlynx@acm.org, rpjday@mindspring.com, jesper.juhl@gmail.com, segher@kernel.crashing.org Subject: Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures Message-ID: <20070817012800.GA12621@gondor.apana.org.au> References: <18115.52863.638655.658466@cargo.ozlabs.ibm.com> <20070816053945.GB32442@gondor.apana.org.au> <18115.62741.807704.969977@cargo.ozlabs.ibm.com> <20070816070907.GA964@gondor.apana.org.au> <46C4ABA5.9010804@redhat.com> <20070817010232.GK16957@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070817010232.GK16957@linux.vnet.ibm.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 656 Lines: 17 On Thu, Aug 16, 2007 at 06:02:32PM -0700, Paul E. McKenney wrote: > > Yep. Or you can use atomic_dec_return() instead of using a barrier. Or you could use smp_mb__{before,after}_atomic_dec. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - 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/