From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756676AbaEEMKy (ORCPT ); Mon, 5 May 2014 08:10:54 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:49692 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756587AbaEEMKx (ORCPT ); Mon, 5 May 2014 08:10:53 -0400 Date: Mon, 5 May 2014 15:10:36 +0300 From: Dan Carpenter To: =?utf-8?B?6buD5riF6ZqG?= Cc: James Bottomley , Tomas Henzl , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v1.0 14/16] arcmsr: fix sparse checking error Message-ID: <20140505121036.GO4963@mwanda> References: <1398857906.6930.59.camel@localhost> <20140502091315.GG4963@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 05, 2014 at 12:10:39PM +0800, 黃清隆 wrote: > Hi Dan, > > In this patch, there are several replace of call readl() or writel() > by direct access to memory. > Because in main memory, we allocated a block of memory for > post_qbuffer and done_qbuffer. > These memory are access by both of CPU and IOP, they are not hardware registers. > This change will not introduce a bug. I have verified it. > Oh yeah. I see that now. I got mixed up. regards, dan carpenter