From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roland Dreier Subject: Re: MMIO and gcc re-ordering issue Date: Mon, 26 May 2008 21:08:10 -0700 Message-ID: References: <1211852026.3286.36.camel@pasglop> <20080526.184047.88207142.davem@davemloft.net> <1211854540.3286.42.camel@pasglop> <20080526.192812.184590464.davem@davemloft.net> <20080526204233.75b71bb8@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from sj-iport-6.cisco.com ([171.71.176.117]:61694 "EHLO sj-iport-6.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750808AbYE0EIM (ORCPT ); Tue, 27 May 2008 00:08:12 -0400 In-Reply-To: <20080526204233.75b71bb8@infradead.org> (Arjan van de Ven's message of "Mon, 26 May 2008 20:42:33 -0700") Sender: linux-arch-owner@vger.kernel.org List-ID: To: Arjan van de Ven Cc: David Miller , benh@kernel.crashing.org, linux-arch@vger.kernel.org, scottwood@freescale.com, linuxppc-dev@ozlabs.org, alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, tpiepho@freescale.com > either via sparse or some fancy lockdep like "device store" thing? > If we can't test for it and it doesn't show up on x86 ... it'll just be > an eterrnal chase. Ben's point is that it will start showing up on x86 because newer compilers are reordering things... - R.