From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38975) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ao1yA-0001ha-2R for qemu-devel@nongnu.org; Thu, 07 Apr 2016 00:55:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ao1y5-0005MZ-0V for qemu-devel@nongnu.org; Thu, 07 Apr 2016 00:55:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36553) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ao1y4-0005MI-R5 for qemu-devel@nongnu.org; Thu, 07 Apr 2016 00:54:56 -0400 References: <1459934142-4307-1-git-send-email-jasowang@redhat.com> <570525B1.4070301@redhat.com> <20160406191619.0b81acc0@bahia.huguette.org> From: Jason Wang Message-ID: <5705E81B.3020107@redhat.com> Date: Thu, 7 Apr 2016 12:54:51 +0800 MIME-Version: 1.0 In-Reply-To: <20160406191619.0b81acc0@bahia.huguette.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH V2] tap: vhost busy polling support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Greg Kurz , Eric Blake Cc: famz@redhat.com, qemu-devel@nongnu.org, mst@redhat.com On 04/07/2016 01:16 AM, Greg Kurz wrote: > On Wed, 6 Apr 2016 09:05:21 -0600 > Eric Blake wrote: > >> On 04/06/2016 03:15 AM, Jason Wang wrote: >>> This patch add the capability of basic vhost net busy polling which is >>> supported by recent kernel. User could configure the maximum number of >>> us that could be spent on busy polling through a new property of tap >>> "vhost-poll-us". >>> >>> Signed-off-by: Jason Wang >>> --- >>> +++ b/qapi-schema.json >>> @@ -2531,6 +2531,9 @@ >>> # >>> # @queues: #optional number of queues to be created for multiqueue capable tap >>> # >>> +# @vhost-poll-us: #optional maximum number of microseconds that could >>> +# be spent on busy polling for vhost net >> Missing a '(since 2.X)' designation (not sure if X should be 6 or 7) >> > According to another mail from Jason, this isn't 2.6 material. > > -- > Greg Right, it's for 2.7. Will post V3 Thanks