Re: [Xen-devel] [PATCH RFC v2] Add SUPPORT.md

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Mon, Sep 11, 2017 at 06:53:55PM +0100, Andrew Cooper wrote:
> On 11/09/17 18:01, George Dunlap wrote:
> > +### x86/PV
> > +
> > +    Status: Supported
> > +
> > +Traditional Xen Project PV guest
> 
> What's a "Xen Project" PV guest?  Just Xen here.
> 
> Also, a perhaps a statement of "No hardware requirements" ?
> 
> > +### x86/RAM
> > +
> > +    Limit, x86: 16TiB
> > +    Limit, ARM32: 16GiB
> > +    Limit, ARM64: 5TiB
> > +
> > +[XXX: Andy to suggest what this should say for x86]
> 
> The limit for x86 is either 16TiB or 123TiB, depending on
> CONFIG_BIGMEM.  CONFIG_BIGMEM is exposed via menuconfig without
> XEN_CONFIG_EXPERT, so falls into at least some kind of support statement.
> 
> As for practical limits, I don't think its reasonable to claim anything
> which we can't test.  What are the specs in the MA colo?

Nowhere near the TB range.

I think it would be okay for downstream like XenServer and/or OVM to
provide some numbers.

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