Commit c262f75c authored Oct 12, 2022 by Ricardo Cañuelo Committed by Michael S. Tsirkin Dec 28, 2022

tools/virtio: initialize spinlocks in vring_test.c



The virtio_device vqs_list spinlocks must be initialized before use to
prevent functions that manipulate the device virtualqueues, such as
vring_new_virtqueue(), from blocking indefinitely.

Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Message-Id: <20221012062949.1526176-1-ricardo.canuelo@collabora.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>

parent b9e05399

tools/virtio/vringh_test.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -308,6 +308,7 @@ static int parallel_test(u64 features,

		gvdev.vdev.features = features;
		INIT_LIST_HEAD(&gvdev.vdev.vqs);
		spin_lock_init(&gvdev.vdev.vqs_list_lock);
		gvdev.to_host_fd = to_host[1];
		gvdev.notifies = 0;

		@@ -455,6 +456,7 @@ int main(int argc, char *argv[])
		getrange = getrange_iov;
		vdev.features = 0;
		INIT_LIST_HEAD(&vdev.vqs);
		spin_lock_init(&vdev.vqs_list_lock);

		while (argv[1]) {
		if (strcmp(argv[1], "--indirect") == 0)