On Sat, Oct 20, 2018 at 3:50 PM, KarimAllah Ahmed <karah...@amazon.de> wrote:
> The spec only requires the posted interrupt descriptor address to be
> 64-bytes aligned (i.e. bits[0:5] == 0). Using page_address_valid also
> forces the address to be page aligned.
>
> Only validate that the address does not cross the maximum physical address
> without enforcing a page alignment.
>
> v1 -> v2:
> - Add a missing parenthesis (dropped while merging!)
>
> Cc: Paolo Bonzini <pbonz...@redhat.com>
> Cc: Radim Krčmář <rkrc...@redhat.com>
> Cc: Thomas Gleixner <t...@linutronix.de>
> Cc: Ingo Molnar <mi...@redhat.com>
> Cc: Borislav Petkov <b...@alien8.de>
> Cc: H. Peter Anvin <h...@zytor.com>
> Cc: x...@kernel.org
> Cc: k...@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Fixes: 6de84e581c0 ("nVMX x86: check posted-interrupt descriptor addresss on
> vmentry of L2")
> Signed-off-by: KarimAllah Ahmed <karah...@amazon.de>
Reviewed-by: Jim Mattson <jmatt...@google.com>
