KVM: x86: preserve the high 32-bits of the PAT register

commit 7cb060a91c upstream.

KVM does not really do much with the PAT, so this went unnoticed for a
long time.  It is exposed however if you try to do rdmsr on the PAT
register.

Reported-by: Valentine Sinitsyn <valentine.sinitsyn@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paolo Bonzini 2014-06-19 11:40:18 +02:00 • committed by Greg Kroah-Hartman
commit 5f9dab371c