[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Please review the key 4.4 release docs
On 03/11/2014 01:23 AM, Zhang, Yang Z wrote: George Dunlap wrote on 2014-03-10:On 03/10/2014 04:27 AM, Zhang, Yang Z wrote:Russell Pavlicek wrote on 2014-03-10:I have done my best to compile the various key release documents for the 4.4 release. All have hyperlinks from the download page: http://www.xenproject.org/downloads/xen-archives/supported-xen-44-s er i es/ xen-440.htmlI thought that we have agreed that we will move the nested virtualizationfrom experimental to 1.0 or something else in Xen 4.4 release note. But it seems it still in experimental state and there is no mention of it in the release note. Well we discussed it, but there were too many things still missing to call it a properly supported feature: in particular, doubts about how well shadow-on-hap would work, which would be a potential securityActually, I'd like to know all potential nested issues and I will try to solve it if possible. But the problem is that I am not clear about those issues that you guys mentioned. Is there any thread talk about them? I think I was thinking along the lines of what I wrote in this thread: Msg-ID <52E28EFB.3020008@xxxxxxxxxxxxx>It seems there the minimum thing for a "1.0" release is that an L1 admin must not be able to do anything to affect an L0; and thinks at the moment likely to do so are enabling PoD (and probably also paging) for L2 guests. It's OK if enabling PoD crashes the *L1* hypervisor (because that's under the L1 admin's control); but it must not be allowed to crash / DoS the L0 hypervisor. -George issue. (On my to-do list is to collect these somewhere so we have a clear set of criteria for moving nested HVM from "tech preview" to "supported".)Yes, it makes sense.It would be good to put something in the release note, however, to say how much it has progressed. I'll see what I can do.Yes, nested was moving forward in last year. It's better to tell this to people since lots of people unaware of this feature.-GeorgeBest regards, Yang _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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