From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lxorguk.ukuu.org.uk (earthlight.etchedpixels.co.uk [81.2.110.250]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id C38C1DDE41 for ; Thu, 29 May 2008 21:01:12 +1000 (EST) Date: Thu, 29 May 2008 11:46:34 +0100 From: Alan Cox To: Arnd Bergmann Subject: Re: MMIO and gcc re-ordering issue Message-ID: <20080529114634.048ea9a0@core> In-Reply-To: <200805290910.07207.arnd@arndb.de> References: <1211852026.3286.36.camel@pasglop> <1211926779.3286.104.camel@pasglop> <200805290910.07207.arnd@arndb.de> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, tpiepho@freescale.com, linuxppc-dev@ozlabs.org, scottwood@freescale.com, Linus Torvalds , David Miller List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > It's not exactly a well-established interface. Only five architectures > define these functions, and there is not a single user in the kernel > source outside of these architecture's io.h files. That is because the drivers using them had them removed (eg I=C2=B2O) - mos= tly because "it didn't compile on power pc" 8( Alan