From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yuanhan Liu Subject: Re: [PATCH v2 0/6] vhost-user live migration support Date: Thu, 17 Dec 2015 20:45:31 +0800 Message-ID: <20151217124531.GF29571@yliu-dev.sh.intel.com> References: <1449027793-30975-1-git-send-email-yuanhan.liu@linux.intel.com> <1450321921-27799-1-git-send-email-yuanhan.liu@linux.intel.com> <8CEF83825BEC744B83065625E567D7C219F906F1@IRSMSX108.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "Michael S. Tsirkin" , "dev@dpdk.org" , "Yang, Maggie" , Victor Kaplansky To: "Iremonger, Bernard" Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id E2E997E23 for ; Thu, 17 Dec 2015 13:45:08 +0100 (CET) Content-Disposition: inline In-Reply-To: <8CEF83825BEC744B83065625E567D7C219F906F1@IRSMSX108.ger.corp.intel.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 Thu, Dec 17, 2015 at 12:08:13PM +0000, Iremonger, Bernard wrote: > Hi Yuanhan, > > > -----Original Message----- > > From: Yuanhan Liu [mailto:yuanhan.liu@linux.intel.com] > > Sent: Thursday, December 17, 2015 3:12 AM > > To: dev@dpdk.org > > Cc: Xie, Huawei ; Michael S. Tsirkin > > ; Victor Kaplansky ; Iremonger, > > Bernard ; Pavel Fedin > > ; Peter Xu ; Yuanhan Liu > > ; Chen, Zhihui ; > > Yang, Maggie > > Subject: [PATCH v2 0/6] vhost-user live migration support > > > > This patch set adds the vhost-user live migration support. > > > > The major task behind that is to log pages we touched during live migration, > > including used vring and desc buffer. So, this patch set is basically about > > adding vhost log support, and using it. > > > > Patchset > > ======== > > - Patch 1 handles VHOST_USER_SET_LOG_BASE, which tells us where > > the dirty memory bitmap is. > > > > - Patch 2 introduces a vhost_log_write() helper function to log > > pages we are gonna change. > > > > - Patch 3 logs changes we made to used vring. > > > > - Patch 4 logs changes we made to vring desc buffer. > > > > - Patch 5 and 6 add some feature bits related to live migration. > > > > > > The follow test guide should probably be added the DPDK doc files. Yes, but not this one, which is a fare rough one. The official one should do live migration between two hosts. > It could be added to the sample app guide or the programmers guide. > There is already a Vhost Library section in the programmers guide and > A Vhost Sample Application section in the sample app guide. We may do it after the validation from validation team. --yliu