From mboxrd@z Thu Jan 1 00:00:00 1970 From: annie li Subject: Re: [Hackathon minutes] PV network improvements Date: Mon, 20 May 2013 15:36:33 -0400 Message-ID: <519A7B41.9020601@oracle.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Stefano Stabellini Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 2013-5-20 10:08, Stefano Stabellini wrote: > Hi all, > these are Konrad's and my notes (mostly Konrad's) on possible > improvements of the PV network protocol, taken at the Hackathon. > > [...] > > G) On TX side, do persistent grant mapping > This would only be done from frontend -> backend path. That means that > we could exhaust initial domains memory. I did some persistent grant mapping patch on both TX and RX sides a while ago, and could keep TX persistent and optimize it. Thanks Annie