commit 35848f68b07df3f917cb13fc3c134718669f569b
author Jason Wang <jasowang@redhat.com> Tue Jun 18 13:04:23 2013 +0800
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> Tue Jun 18 11:14:18 2013 -0700
tree 6d098733bc0126ad5e133ff23d26caba0ed919e8
parent 36dd68319c7b56a76ed450b0e470067b5d74b9b2

drivers: hv: switch to use mb() instead of smp_mb()

Even if guest were compiled without SMP support, it could not assume that host
wasn't. So switch to use mb() instead of smp_mb() to force memory barriers for
UP guest.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>