Re: [PATCH] x86/ptdump: Remove paravirt_enabled()

[Boris Ostrovsky]

On 02/18/2016 03:00 PM, Borislav Petkov wrote:
> From: Borislav Petkov <bp@xxxxxxx>
>
> 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 <bp@xxxxxxx>
> Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Cc: "Luis R. Rodriguez" <mcgrof@xxxxxxxxxx>

Under Xen, as PV guest:

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