On Mon, Jul 04, 2022 at 03:06:39PM -0400, Michael S. Tsirkin wrote:
On Mon, Jul 04, 2022 at 07:16:58PM +0200, Stefano Garzarella wrote:
Commit 8b4ec69d7e09 ("virtio: harden vring IRQ") initialize vq->broken
to true, so we need to call __virtio_unbreak_device() before starting
to use it.
Signed-off-by: Stefano Garzarella <sgarz...@redhat.com>
I think this shouldn't be necessary with latest master.
Right, c346dae4f3fb ("virtio: disable notification hardening by default")
is merged now.
I'll remove this patch.
Thanks,
Stefano
---
tools/virtio/linux/virtio.h | 2 ++
tools/virtio/virtio_test.c | 1 +
2 files changed, 3 insertions(+)
diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index 363b98228301..feb720d4304f 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -66,4 +66,6 @@ struct virtqueue *vring_new_virtqueue(unsigned int index,
const char *name);
void vring_del_virtqueue(struct virtqueue *vq);
+void __virtio_unbreak_device(struct virtio_device *dev);
+
#endif
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index 23f142af544a..765e64895dab 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -177,6 +177,7 @@ static void run_test(struct vdev_info *dev, struct vq_info
*vq,
long long spurious = 0;
const bool random_batch = batch == RANDOM_BATCH;
+ __virtio_unbreak_device(&dev->vdev);
r = ioctl(dev->control, VHOST_TEST_RUN, &test);
assert(r >= 0);
if (!reset_n) {
--
2.36.1
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