Re: [Xen-devel] Xen 4.2 Release Plan / TODO

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Wed, 2012-06-27 at 15:57 +0100, Jan Beulich wrote:
> >>> On 27.06.12 at 16:52, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> > On Wed, 2012-06-27 at 14:12 +0100, Jan Beulich wrote:
> >> >>> On 26.06.12 at 10:39, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> >> > hypervisor, blockers:
> >> > 
> >> >     * None
> >> 
> >> We should evaluate whether getting the vMCE interface into a
> >> sane state ought to be treated as a blocker (see Jinsong's
> >> recent posting about their design work). Otherwise we'll run
> >> into yet another round of compatibility issues when moving on
> >> to 4.3, particularly with respect to migration.
> > 
> > Isn't this way to late for 4.2 if it's only at the design stage right
> > now?
> 
> That's why I'm bringing this up.
> 
> > Does vMCE exist in Xen unstable today? Did it exist in 4.1?
> 
> Yes. And what information get migrated is different between
> 4.1 and 4.2 already.
> 
> > I think we'll need to just suck it up and accept that migration needs
> > handling for 4.3.
> 
> I was hoping to have at least the HVM save records in 4.2 in a
> state suitable for 4.3.

That might be reasonable, I guess it depends what that looks like and
how much real code impact as opposed to just save record it has?

Ian.


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