From 4dbc5d9f4f791df8a5879f4a655f517adc7f56d1 Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Fri, 20 Jan 2012 16:16:59 +0800 Subject: [PATCH] virtio: fix typos of memory barriers Note: this fixes a bug introduced recently in 7b21e34fd1c272e3a8c3846168f2f6287a4cd72b. Signed-off-by: Jason Wang Acked-by: Michael S. Tsirkin Signed-off-by: Rusty Russell --- drivers/virtio/virtio_ring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 79e1b292c03..78428a863b4 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -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 -- 2.20.1