Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934691AbcKMR1H (ORCPT ); Sun, 13 Nov 2016 12:27:07 -0500 Received: from shards.monkeyblade.net ([184.105.139.130]:44186 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933841AbcKMR1F (ORCPT ); Sun, 13 Nov 2016 12:27:05 -0500 Date: Sun, 13 Nov 2016 12:27:03 -0500 (EST) Message-Id: <20161113.122703.2122997256308305867.davem@davemloft.net> To: alexander.h.duyck@intel.com Cc: linux-mm@kvack.org, akpm@linux-foundation.org, sparclinux@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [mm PATCH v3 17/23] arch/sparc: Add option to skip DMA sync as a part of map and unmap From: David Miller In-Reply-To: <20161110113544.76501.40008.stgit@ahduyck-blue-test.jf.intel.com> References: <20161110113027.76501.63030.stgit@ahduyck-blue-test.jf.intel.com> <20161110113544.76501.40008.stgit@ahduyck-blue-test.jf.intel.com> X-Mailer: Mew version 6.7 on Emacs 25.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Sun, 13 Nov 2016 08:27:35 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 401 Lines: 10 From: Alexander Duyck Date: Thu, 10 Nov 2016 06:35:45 -0500 > This change allows us to pass DMA_ATTR_SKIP_CPU_SYNC which allows us to > avoid invoking cache line invalidation if the driver will just handle it > via a sync_for_cpu or sync_for_device call. > > Signed-off-by: Alexander Duyck Acked-by: David S. Miller