Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752029AbdHQB0S (ORCPT ); Wed, 16 Aug 2017 21:26:18 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:4011 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751549AbdHQB0Q (ORCPT ); Wed, 16 Aug 2017 21:26:16 -0400 Subject: Re: [PATCH net 0/2] net: ixgbe: Use new flag to disable Relaxed Ordering To: David Miller References: <1502876507-9360-1-git-send-email-dingtianhong@huawei.com> <20170816.105647.341781221143669151.davem@davemloft.net> CC: , , , , , , From: Ding Tianhong Message-ID: Date: Thu, 17 Aug 2017 09:22:46 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <20170816.105647.341781221143669151.davem@davemloft.net> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.23.32] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090202.5994EFF1.01BD,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 8d27b2c7df4c145a31c5262ca59116a9 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 915 Lines: 25 On 2017/8/17 1:56, David Miller wrote: > From: Ding Tianhong > Date: Wed, 16 Aug 2017 17:41:45 +0800 > >> The new flag PCI_DEV_FLAGS_NO_RELAXED_ORDERING has been added >> to indicate that Relaxed Ordering Attributes (RO) should not >> be used for Transaction Layer Packets (TLP) targeted toward >> these affected Root Port, it will clear the bit4 in the PCIe >> Device Control register, so the PCIe device drivers could >> query PCIe configuration space to determine if it can send >> TLPs to Root Port with the Relaxed Ordering Attributes set. >> >> The ixgbe driver could use this flag to determine if it can >> send TLPs to Root Port with the Relaxed Ordering Attributes set. > > I'll let the Intel guys pick this up. > Thanks David, but I am not sure when the Intel guys would take over, just Alex has replied, so I will release a new version according Alex's suggestion. > . >