Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270877AbUJVJxS (ORCPT ); Fri, 22 Oct 2004 05:53:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270914AbUJVJxR (ORCPT ); Fri, 22 Oct 2004 05:53:17 -0400 Received: from vanessarodrigues.com ([192.139.46.150]:51872 "EHLO jaguar.mkp.net") by vger.kernel.org with ESMTP id S270877AbUJVJxP (ORCPT ); Fri, 22 Oct 2004 05:53:15 -0400 To: Jesse Barnes Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, jeremy@sgi.com Subject: Re: [PATCH] use mmiowb in qla1280.c References: <200410211613.19601.jbarnes@engr.sgi.com> <200410211617.14809.jbarnes@engr.sgi.com> From: Jes Sorensen Date: 22 Oct 2004 05:53:13 -0400 In-Reply-To: <200410211617.14809.jbarnes@engr.sgi.com> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 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: 759 Lines: 17 >>>>> "Jesse" == Jesse Barnes writes: Jesse> There are a few spots in qla1280.c that don't need a full PCI Jesse> write flush to the device, but rather a simple write ordering Jesse> guarantee. This patch changes some of the PIO reads that cause Jesse> write flushes into mmiowb calls instead, which is a lighter Jesse> weight way of ensuring ordering. Jesse> Jes and James, can you ack this and/or push it in via the SCSI Jesse> BK tree? ACK! James will you push this one? Cheers, Jes - 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/