Re: [Xen-devel] [RFC] xen/pvh: detect PVH after kexec

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

On Tue, Mar 21, 2017 at 06:10:06PM +0100, Vitaly Kuznetsov wrote:
> Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> writes:
> > Can we read xenstore's dm-version? Or is it too early to get access there?
> >
> 
> Seems to be too late: xenbus_init() is a postcore_initcall. Moreover, it
> seems that 'dm-version' lives under 'libxl' in xenstore, not sure if
> it's readable from the domain.

I don't think you can trust anything inside of "libxl/" to be stable.

Roger.

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