Cc'ing Marc & Stefan for commit 1053587c3f ("libqos: Added EVENT_IDX
support").
On 20/3/24 10:04, Zheyu Ma wrote:
In qvirtqueue_kick(), the 'flags' were previously being incorrectly read from
vq->avail instead of the correct vq->used location. This update ensures 'flags'
are read from the correct location as per the virtio standard.
Signed-off-by: Zheyu Ma <zheyum...@gmail.com>
---
tests/qtest/libqos/virtio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/qtest/libqos/virtio.c b/tests/qtest/libqos/virtio.c
index 82a6e122bf..a21b6eee9c 100644
--- a/tests/qtest/libqos/virtio.c
+++ b/tests/qtest/libqos/virtio.c
@@ -394,7 +394,7 @@ void qvirtqueue_kick(QTestState *qts, QVirtioDevice *d,
QVirtQueue *vq,
qvirtio_writew(d, qts, vq->avail + 2, idx + 1);
/* Must read after idx is updated */
- flags = qvirtio_readw(d, qts, vq->avail);
+ flags = qvirtio_readw(d, qts, vq->used);
avail_event = qvirtio_readw(d, qts, vq->used + 4 +
sizeof(struct vring_used_elem) * vq->size);
Reviewed-by: Philippe Mathieu-Daudé <phi...@linaro.org>
