On 02/18/2016 03:00 PM, Borislav Petkov wrote:
From: Borislav Petkov <[email protected]> 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 <[email protected]> Cc: Andy Lutomirski <[email protected]> Cc: Boris Ostrovsky <[email protected]> Cc: "Luis R. Rodriguez" <[email protected]>
Under Xen, as PV guest: Tested-by: Boris Ostrovsky <[email protected]>
