On 02/18/2016 03:00 PM, Borislav Petkov wrote:
From: Borislav Petkov <b...@suse.de> is_hypervisor_range() can simply check if the PGD index is within ffff800000000000 - ffff87ffffffffff which is the range reserved for a hypervisor. That range is practically an ABI, see Documentation/x86/x86_64/mm.txt. Signed-off-by: Borislav Petkov <b...@suse.de> Cc: Andy Lutomirski <l...@amacapital.net> Cc: Boris Ostrovsky <boris.ostrov...@oracle.com> Cc: "Luis R. Rodriguez" <mcg...@kernel.org>
Under Xen, as PV guest: Tested-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
