Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755938AbZGGByY (ORCPT ); Mon, 6 Jul 2009 21:54:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753774AbZGGByR (ORCPT ); Mon, 6 Jul 2009 21:54:17 -0400 Received: from mail-pz0-f193.google.com ([209.85.222.193]:36910 "EHLO mail-pz0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753664AbZGGByQ (ORCPT ); Mon, 6 Jul 2009 21:54:16 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=f58bdGr7PRXvfRTuGx4dpPts93NLfemSaxFQi3bgAA1nsM6nOypmlxq6D6ko4ffdQe cLmUhBWnkh2ZUgqP/d7dVFgugEOGHAnmoIl8hmqD+Kd9yo4sPicgOB3GwTYQCt1rpUa0 ObsMYmClErG6oBpg2wO5oQ4zcfg49Phx7fzEY= MIME-Version: 1.0 In-Reply-To: <200906301538.44684.arnd@arndb.de> References: <1246199959-6548-1-git-send-email-tom.leiming@gmail.com> <200906301448.55064.arnd@arndb.de> <20090630140945.0784e174@lxorguk.ukuu.org.uk> <200906301538.44684.arnd@arndb.de> Date: Tue, 7 Jul 2009 09:54:20 +0800 Message-ID: Subject: Re: [PATCH][RFC] asm-generic:remove calling flush_write_buffers() in dma_sync_*_for_cpu From: Ming Lei To: Arnd Bergmann Cc: Alan Cox , Joerg Roedel , fujita.tomonori@lab.ntt.co.jp, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, Russell King , linux-arm-kernel Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 867 Lines: 22 2009/6/30 Arnd Bergmann : > On Tuesday 30 June 2009, Alan Cox wrote: > Well, not even that. dma-mapping-common.h only makes sense on architectures > that have multiple dma-mapping implementations (parisc, mips, arm, powerpc, It seems that there is only one dma-mmaping implementation on ARM, doesn't it? Is it necessary that using dma-mapping-common.h on ARM? > sparc, ia64 and x86, possibly alpha). All others including frv only need a > nommu case anyway and would not use dma-mapping-common.h but could be > changed to use something like the dma-mapping-linear.h I worked on recently. -- Lei Ming -- 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/