From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuanhan Liu Subject: Re: [PATCH 7/7] vhost: simplify features set/get Date: Thu, 25 Aug 2016 11:03:19 +0800 Message-ID: <20160825030319.GV30752@yliu-dev.sh.intel.com> References: <1471510123-4984-1-git-send-email-yuanhan.liu@linux.intel.com> <1471510123-4984-8-git-send-email-yuanhan.liu@linux.intel.com> <33936312-b630-1a4e-e478-b028dc264962@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev@dpdk.org To: Maxime Coquelin Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id 16177592F for ; Thu, 25 Aug 2016 04:53:18 +0200 (CEST) Content-Disposition: inline In-Reply-To: <33936312-b630-1a4e-e478-b028dc264962@redhat.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Wed, Aug 24, 2016 at 10:11:57AM +0200, Maxime Coquelin wrote: > > > On 08/18/2016 10:48 AM, Yuanhan Liu wrote: > >No need to use a pointer to store/retrieve features. > > > >Signed-off-by: Yuanhan Liu > >--- > > lib/librte_vhost/vhost_user.c | 20 ++++++++------------ > > 1 file changed, 8 insertions(+), 12 deletions(-) > > > >diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c > >index ef4a0c1..eee99e9 100644 > >--- a/lib/librte_vhost/vhost_user.c > >+++ b/lib/librte_vhost/vhost_user.c > >@@ -155,23 +155,22 @@ vhost_user_reset_owner(struct virtio_net *dev) > > /* > > * The features that we support are requested. > > */ > >-static int > >-vhost_user_get_features(uint64_t *pu) > >+static uint64_t > >+vhost_user_get_features(void) > > { > >- *pu = VHOST_FEATURES; > >- return 0; > >+ return VHOST_FEATURES; > > } > > This is not the topic of this series, but I wonder if it > could make sense to be able to override supported features > at device init time. Not quite sure I understood it correctly: is rte_vhost_feature_disable() the answer you are looking for? > It may not match with the orignal purpose of supported features, > but could be useful at least for testing without recompilation. > > For this patch: > Reviewed-by: Maxime Coquelin Again, appreicate your time on review! --yliu