[PATCH 2/3] vringh: kill off ACCESS_ONCE()

Cornelia Huck
Thu, 24 Nov 2016 11:35:46 -0000

On Thu, 24 Nov 2016 10:25:13 +0000
Mark Rutland <mark.rutland at arm.com> wrote:

> Despite living under drivers/ vringh.c is also used as part of the
userspace
> virtio tools. Before we can kill off the ACCESS_ONCE()definition in the
tools,
> we must convert vringh.c to use {READ,WRITE}_ONCE().
>
> This patch does so, along with the required include of
<linux/compiler.h> for
> the relevant definitions. The userspace tools provide their own definitions
in
> their own <linux/compiler.h>.
>
> Signed-off-by: Mark Rutland <mark.rutland at arm.com>
> Cc: Jason Wang <jasowang at redhat.com>
> Cc: Michael S. Tsirkin <mst at redhat.com>
> Cc: kvm at vger.kernel.org
> Cc: linux-kernel at vger.kernel.org
> Cc: netdev at vger.kernel.org
> Cc: virtualization at lists.linux-foundation.org
> ---
>  drivers/vhost/vringh.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)

Reviewed-by: Cornelia Huck <cornelia.huck at de.ibm.com>