From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 5909B2BF9 for ; Wed, 2 Nov 2016 03:43:14 +0100 (CET) Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP; 01 Nov 2016 19:43:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,582,1473145200"; d="scan'208";a="26417071" Received: from yliu-dev.sh.intel.com (HELO yliu-dev) ([10.239.67.162]) by orsmga005.jf.intel.com with ESMTP; 01 Nov 2016 19:43:12 -0700 Date: Wed, 2 Nov 2016 10:44:11 +0800 From: Yuanhan Liu To: Thomas Monjalon Message-ID: <20161102024411.GQ16751@yliu-dev.sh.intel.com> References: <70cc3b89-d680-1519-add3-f38b228e65b5@redhat.com> <108f3c0a-bef5-5124-fde6-01fa9870c970@redhat.com> <20161101081544.GP16751@yliu-dev.sh.intel.com> <4456077.H7TfcTU5eI@xps13> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4456077.H7TfcTU5eI@xps13> User-Agent: Mutt/1.5.23 (2014-03-12) Cc: dev@dpdk.org, vkaplans@redhat.com, mst@redhat.com Subject: Re: [dpdk-dev] [PATCH v4] vhost: Add indirect descriptors support to the TX path X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Nov 2016 02:43:15 -0000 On Tue, Nov 01, 2016 at 10:39:35AM +0100, Thomas Monjalon wrote: > 2016-11-01 16:15, Yuanhan Liu: > > On Fri, Oct 28, 2016 at 09:58:51AM +0200, Maxime Coquelin wrote: > > > Agree, what we need is to be able to disable Virtio PMD features > > > without having to rebuild the PMD. > > > > I want this feature (or more precisely, ability) long times ago. > > For example, I'd wish there is an option like "force_legacy" when > > both legacy and modern exist. > > You can change the behaviour of the driver with a run-time parameter > as a struct rte_devargs. Thanks for the tip! Yeah, it's a workable solution, not an ideal one though. --yliu