From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: [PATCH 1/3] xen-netback: make feature-rx-notify mandatory Date: Thu, 23 Oct 2014 12:16:29 +0100 Message-ID: <20141023111629.GE9188@zion.uk.xensource.com> References: <1413983335-8307-1-git-send-email-david.vrabel@citrix.com> <1413983335-8307-2-git-send-email-david.vrabel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: , , Ian Campbell , Wei Liu To: David Vrabel Return-path: Received: from smtp02.citrix.com ([66.165.176.63]:47650 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753215AbaJWLQa (ORCPT ); Thu, 23 Oct 2014 07:16:30 -0400 Content-Disposition: inline In-Reply-To: <1413983335-8307-2-git-send-email-david.vrabel@citrix.com> Sender: netdev-owner@vger.kernel.org List-ID: On Wed, Oct 22, 2014 at 02:08:53PM +0100, David Vrabel wrote: > Frontends that do not provide feature-rx-notify may stall because > netback depends on the notification from frontend to wake the guest Rx > thread (even if can_queue is false). > > This could be fixed but feature-rx-notify was introduced in 2006 and I > am not aware of any frontends that do not implement this. > > Signed-off-by: David Vrabel Acked-by: Wei Liu