From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38113) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1anr4C-0005vX-Tj for qemu-devel@nongnu.org; Wed, 06 Apr 2016 13:16:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1anr47-0001Lw-VA for qemu-devel@nongnu.org; Wed, 06 Apr 2016 13:16:32 -0400 Received: from e06smtp12.uk.ibm.com ([195.75.94.108]:48020) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1anr47-0001Lo-KO for qemu-devel@nongnu.org; Wed, 06 Apr 2016 13:16:27 -0400 Received: from localhost by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 6 Apr 2016 18:16:25 +0100 Received: from b06cxnps4076.portsmouth.uk.ibm.com (d06relay13.portsmouth.uk.ibm.com [9.149.109.198]) by d06dlp01.portsmouth.uk.ibm.com (Postfix) with ESMTP id 2FF3B17D8056 for ; Wed, 6 Apr 2016 18:17:04 +0100 (BST) Received: from d06av09.portsmouth.uk.ibm.com (d06av09.portsmouth.uk.ibm.com [9.149.37.250]) by b06cxnps4076.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u36HGMnD2949498 for ; Wed, 6 Apr 2016 17:16:22 GMT Received: from d06av09.portsmouth.uk.ibm.com (localhost [127.0.0.1]) by d06av09.portsmouth.uk.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u36HGMnh027022 for ; Wed, 6 Apr 2016 11:16:22 -0600 Date: Wed, 6 Apr 2016 19:16:19 +0200 From: Greg Kurz Message-ID: <20160406191619.0b81acc0@bahia.huguette.org> In-Reply-To: <570525B1.4070301@redhat.com> References: <1459934142-4307-1-git-send-email-jasowang@redhat.com> <570525B1.4070301@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII 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: Eric Blake Cc: Jason Wang , famz@redhat.com, qemu-devel@nongnu.org, mst@redhat.com 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