Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753656AbXHXRGq (ORCPT ); Fri, 24 Aug 2007 13:06:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753372AbXHXRGf (ORCPT ); Fri, 24 Aug 2007 13:06:35 -0400 Received: from netops-testserver-4-out.sgi.com ([192.48.171.29]:49283 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751715AbXHXRGd (ORCPT ); Fri, 24 Aug 2007 13:06:33 -0400 Date: Fri, 24 Aug 2007 10:06:29 -0700 (PDT) From: Christoph Lameter X-X-Sender: clameter@schroedinger.engr.sgi.com To: Satyam Sharma cc: Denys Vlasenko , Heiko Carstens , Herbert Xu , Chris Snook , Linux Kernel Mailing List , linux-arch@vger.kernel.org, Linus Torvalds , netdev@vger.kernel.org, Andrew Morton , ak@suse.de, davem@davemloft.net, 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, Nick Piggin Subject: Re: [PATCH] i386: Fix a couple busy loops in mach_wakecpu.h:wait_for_init_deassert() In-Reply-To: Message-ID: References: <46C2350A.1010807@redhat.com> <20070815081841.GA16551@osiris.boeblingen.de.ibm.com> <200708241259.33659.vda.linux@googlemail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 707 Lines: 15 On Fri, 24 Aug 2007, Satyam Sharma wrote: > But if people do seem to have a mixed / confused notion of atomicity > and barriers, and if there's consensus, then as I'd said earlier, I > have no issues in going with the consensus (eg. having API variants). > Linus would be more difficult to convince, however, I suspect :-) The confusion may be the result of us having barrier semantics in atomic_read. If we take that out then we may avoid future confusions. - 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/