From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753644Ab1LMJZl (ORCPT ); Tue, 13 Dec 2011 04:25:41 -0500 Received: from mail.klingt.org ([86.59.21.178]:35686 "EHLO klingt.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750764Ab1LMJZf (ORCPT ); Tue, 13 Dec 2011 04:25:35 -0500 From: Tim Blechmann To: Brian Gerst Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, torvalds@linux-foundation.org, x86@kernel.org Subject: Re: [PATCH] x86: Split off mem*io functions Date: Tue, 13 Dec 2011 10:23:09 +0100 Message-ID: <3289381.F4yDCuQyhd@moka> User-Agent: KMail/4.7.3 (Linux/3.2.0-rc4+; KDE/4.7.3; x86_64; ; ) In-Reply-To: References: <1323641436-12249-1-git-send-email-brgerst@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.3.9 (klingt.org [86.59.21.178]); Tue, 13 Dec 2011 10:23:12 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > Commit 6175ddf06b6172046a329e3abfd9c901a43efd2e changed the mem*io > > functions to use the standard memcpy/memset routines, but there were > > unintended consequences. Some devices cannot cope with 64-bit or > > non-sequential accesses that the optimized routines do. Change them > > back to simple 32-bit sequential writes. > > Tim, please test the lx6464es driver with this patch and commit > a2987855 reverted. unfortunately, it will take some time before i will be able to access the machine with the lx6464es device. will report back, when i've tested your patch, but it might take a few weeks ... tim