From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752788Ab0JAQkZ (ORCPT ); Fri, 1 Oct 2010 12:40:25 -0400 Received: from caramon.arm.linux.org.uk ([78.32.30.218]:56537 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750988Ab0JAQkX (ORCPT ); Fri, 1 Oct 2010 12:40:23 -0400 Date: Fri, 1 Oct 2010 17:39:58 +0100 From: Russell King - ARM Linux To: Fernando Guzman Lugo Cc: linux-arm-kernel@lists.infradead.org, Hiroshi.DOYU@nokia.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] scatterlist: define SG chain for arm architecture Message-ID: <20101001163958.GA22533@n2100.arm.linux.org.uk> References: <1285950521-8093-1-git-send-email-x0095840@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1285950521-8093-1-git-send-email-x0095840@ti.com> User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 01, 2010 at 11:28:41AM -0500, Fernando Guzman Lugo wrote: > Define SG chain for ARM architecture in order to work > with big buffers. This patch is needed in order to > iovmm users can pass a big buffer to map it and ARM > architecture has not issues using SG chain. > > This change was suggested by FUJITA Tomonori. Have you audited all places where SG lists are used in the ARM architecture to ensure that SG chain support is safe? (That goes for ARM generic code and ARM specific drivers.) If the answer is no, this patch is unacceptable until such a review has been carried out.