diff options
| -rw-r--r-- | virtio-spec.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/virtio-spec.txt b/virtio-spec.txt index f7c80ec..d762461 100644 --- a/virtio-spec.txt +++ b/virtio-spec.txt @@ -2502,6 +2502,10 @@ Currently there are four device-independent feature bits defined: ignore the avail_event field; the flags field is used +In addition, bit 30 is used by qemu's implementation to check for experimental +early versions of virtio which did not perform correct feature negotiation, +and should not be used. + 2.7 virtio_ring.h ================= |