On 16.10.26 19:06, Teddy Astie wrote:
> Currently, /sys/hypervisor/properties/features queries the xen
> features from the hypervisor even if it doesn't match what Linux
> uses itself (i.e what were the features at the time of the boot).
> 
> For consistency when migrations are involved, report cached
> xen_features instead, that also avoids making hypercalls to query
> this information.
> 
> Signed-off-by: Teddy Astie <teddy.astie@vates.tech>
> ---
> CC: Juergen Gross <jgross@suse.com>
> CC: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> CC: Stefano Stabellini <sstabellini@kernel.org>
> CC: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
> CC: x86@kernel.org
> CC: linux-kernel@vger.kernel.org
> 
> I'm not sure what /sys/hypervisor/features is expected to show between
> what Linux considers (proposal) and what the hypervisor tells (current
> behavior).

I think it should be the former, so:

Reviewed-by: Juergen Gross <jgross@suse.com>


Juergen