Re: [Xen-devel] [PATCH v2 2/2] xen: add sysfs node for guest type

[Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>]

On 05/26/2017 08:56 AM, Juergen Gross wrote:
> Currently there is no reliable user interface inside a Xen guest to
> determine its type (e.g. HVM, PV or PVH). Instead of letting user mode
> try to determine this by various rather hacky mechanisms (parsing of
> boot messages before they are gone, trying to make use of known subtle
> differences in behavior of some instructions), add a sysfs node
> /sys/hypervisor/guest_type to explicitly deliver this information as
> it is known to the kernel.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>

(I would have preferred to have /sys/hypervisor/xen/ but given that some
of the other files have been around for ages, and are now declared
stable, it's too late).

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