Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750834AbWIAVBo (ORCPT ); Fri, 1 Sep 2006 17:01:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750847AbWIAVBo (ORCPT ); Fri, 1 Sep 2006 17:01:44 -0400 Received: from mx.pathscale.com ([64.160.42.68]:62851 "EHLO mx.pathscale.com") by vger.kernel.org with ESMTP id S1750834AbWIAVBm (ORCPT ); Fri, 1 Sep 2006 17:01:42 -0400 Subject: Re: [openib-general] 2.6.18-rc5-mm1: drivers/infiniband/hw/amso1100/c2.c compile error From: "Bryan O'Sullivan" To: Roland Dreier Cc: Andrew Morton , linux-kernel@vger.kernel.org, openib-general@openib.org, Adrian Bunk , "David S. Miller" In-Reply-To: References: <20060901015818.42767813.akpm@osdl.org> <20060901160023.GB18276@stusta.de> <20060901101340.962150cb.akpm@osdl.org> <20060901112312.5ff0dd8d.akpm@osdl.org> <20060901130444.48f19457.akpm@osdl.org> <20060901204343.GA4979@flint.arm.linux.org.uk> Content-Type: text/plain Date: Fri, 01 Sep 2006 14:01:41 -0700 Message-Id: <1157144501.20958.12.camel@chalcedony.pathscale.com> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 577 Lines: 19 On Fri, 2006-09-01 at 13:54 -0700, Roland Dreier wrote: > I agree completely. And going one step further: if an architecture > cannot implement a 64-bit write atomically, then the precise > serialization that is required is device-specific knowledge that > belongs in the device driver. Absolutely.