From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f70.google.com (mail-pa0-f70.google.com [209.85.220.70]) by kanga.kvack.org (Postfix) with ESMTP id E72B26B0038 for ; Sun, 13 Nov 2016 12:27:05 -0500 (EST) Received: by mail-pa0-f70.google.com with SMTP id rf5so70392789pab.3 for ; Sun, 13 Nov 2016 09:27:05 -0800 (PST) Received: from shards.monkeyblade.net (shards.monkeyblade.net. [184.105.139.130]) by mx.google.com with ESMTP id e13si19125730pgf.287.2016.11.13.09.27.04 for ; Sun, 13 Nov 2016 09:27:05 -0800 (PST) Date: Sun, 13 Nov 2016 12:27:03 -0500 (EST) Message-Id: <20161113.122703.2122997256308305867.davem@davemloft.net> 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> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org