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Commit 4dbc5d9f authored by Jason Wang's avatar Jason Wang Committed by Rusty Russell
Browse files

virtio: fix typos of memory barriers 



Note: this fixes a bug introduced recently in
7b21e34f.

Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 74ea15d9

drivers/virtio/virtio_ring.c

+1 −1
Original line number Diff line number Diff line
@@ -35,7 +35,7 @@ 
#define virtio_rmb(vq) \

	do { if ((vq)->weak_barriers) smp_rmb(); else rmb(); } while(0)

#define virtio_wmb(vq) \

	do { if ((vq)->weak_barriers) smp_rmb(); else rmb(); } while(0)

	do { if ((vq)->weak_barriers) smp_wmb(); else wmb(); } while(0)

#else

/* We must force memory ordering even if guest is UP since host could be

 * running on another CPU, but SMP barriers are defined to barrier() in that