Switch to reuse BAD_RING() to allow common logic to be implemented in BAD_RING().
Signed-off-by: Jason Wang <[email protected]> --- Changes since V1: - switch to use BAD_RING in virtio_break_device() --- drivers/virtio/virtio_ring.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 2e7689bb933b..5cfb2fa8abee 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -58,7 +58,8 @@ do { \ dev_err(&_vq->vq.vdev->dev, \ "%s:"fmt, (_vq)->vq.name, ##args); \ - (_vq)->broken = true; \ + /* Pairs with READ_ONCE() in virtqueue_is_broken(). */ \ + WRITE_ONCE((_vq)->broken, true); \ } while (0) #define START_USE(vq) #define END_USE(vq) @@ -2237,7 +2238,7 @@ bool virtqueue_notify(struct virtqueue *_vq) /* Prod other side to tell it about changes. */ if (!vq->notify(_vq)) { - vq->broken = true; + BAD_RING(vq, "vq %d is broken\n", vq->vq.index); return false; } return true; @@ -2786,8 +2787,7 @@ void virtio_break_device(struct virtio_device *dev) list_for_each_entry(_vq, &dev->vqs, list) { struct vring_virtqueue *vq = to_vvq(_vq); - /* Pairs with READ_ONCE() in virtqueue_is_broken(). */ - WRITE_ONCE(vq->broken, true); + BAD_RING(vq, "Device break vq %d", _vq->index); } spin_unlock(&dev->vqs_list_lock); } -- 2.25.1 _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
