xen/pvh: correctly setup the PV EFI interface for dom0

This involves initializing the boot params EFI related fields and the
efi global variable.

Without this fix a PVH dom0 doesn't detect when booted from EFI, and
thus doesn't support accessing any of the EFI related data.

Reported-by: PGNet Dev <pgnet.dev@gmail.com>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: stable@vger.kernel.org # 4.19+
This commit is contained in:
Roger Pau Monne 2019-04-23 15:04:16 +02:00 • committed by Boris Ostrovsky
commit 72813bfbf0
5 changed files with 18 additions and 14 deletions