From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933923AbYB2VZh (ORCPT ); Fri, 29 Feb 2008 16:25:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760958AbYB2VZT (ORCPT ); Fri, 29 Feb 2008 16:25:19 -0500 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:40736 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756387AbYB2VZS (ORCPT ); Fri, 29 Feb 2008 16:25:18 -0500 From: akepner@sgi.com Date: Fri, 29 Feb 2008 13:23:50 -0800 To: Michael Ellerman Cc: Tony Luck , Jesse Barnes , Jes Sorensen , Randy Dunlap , Roland Dreier , James Bottomley , David Miller , Benjamin Herrenschmidt , Grant Grundler , linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3 v3] dma: document dma_{un}map_{single|sg}_attrs() interface Message-ID: <20080229212350.GS11012@sgi.com> References: <20080228032448.GS11012@sgi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 29, 2008 at 01:45:46PM +1100, Michael Ellerman wrote: > .... > I guess I think the attributes should either be truly arch-specific, > ie. DMA_ATTR_IA64_SYNC_ON_WRITE. Or we need to come up with some well > defined, and architecture neutral semantics for what the flags mean. > I'd hoped to do just this - to define architecture neutral semantics for attributes. But I see your point - the documentation in DMA-attributes.txt isn't consistent with that plan. Let me see if I can address your concerns by changing the documentation. -- Arthur