From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Huang Subject: Re: [RFC v3 0/6] xen/arm: ARM save/restore/migration support Date: Mon, 12 May 2014 09:52:04 -0500 Message-ID: <5370E014.6040103@samsung.com> References: <1399583908-21755-1-git-send-email-w1.huang@samsung.com> <5370D7F3.3040700@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <5370D7F3.3040700@linaro.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Julien Grall , xen-devel@lists.xen.org Cc: keir@xen.org, ian.campbell@citrix.com, stefano.stabellini@eu.citrix.com, andrew.cooper3@citrix.com, tim@xen.org, jaeyong.yoo@samsung.com, jbeulich@suse.com, ian.jackson@eu.citrix.com, yjhyun.yoo@samsung.com List-Id: xen-devel@lists.xenproject.org On 05/12/2014 09:17 AM, Julien Grall wrote: > Hi Wei, > > On 05/08/2014 10:18 PM, Wei Huang wrote: >> The following patches enable save/restore/migration support for ARM >> guest VMs. Note that the original series were sent from Jaeyong Yoo. >> >> Working: >> * 32-bit (including SMP) guest VM save/restore/migration >> * 64-bit guest VM save >> WIP: >> * 64-bit guest restore/migration > > I though a bit more about this series. I think we miss to save the > layout of the guest (i.e GIC base address, gnttab base address,...) and > some interrupts (i.e timer, evtchn,...) > > It's necessary because if we migrate from a older Xen to a new Xen, the > default layout may have change. > Should we make these requirements as phase 2 for save/restore/migration? I think we have enough items to fix in current form. Adding more requirements will make the whole patch set bloated and hard to revise. -Wei > Regards, >