virtio: update the comments for transport features

The existing comments for transport features are outdated.
So update them to address the latest changes in the spec.

Suggested-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Tiwei Bie <[email protected]>
Reviewed-by: Cornelia Huck <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Reviewed-by: Stefan Hajnoczi <[email protected]>

diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h
index b7c1f4e7d59e0ff1a0b15087d9778dd1eae01a07..449132c76b1cc809fc0c9d4cd90e3f56ed44442b 100644 (file)
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -45,9 +45,12 @@
 /* We've given up on this device. */
 #define VIRTIO_CONFIG_S_FAILED         0x80
 
-/* Some virtio feature bits (currently bits 28 through 32) are reserved for the
- * transport being used (eg. virtio_ring), the rest are per-device feature
- * bits. */
+/*
+ * Virtio feature bits VIRTIO_TRANSPORT_F_START through
+ * VIRTIO_TRANSPORT_F_END are reserved for the transport
+ * being used (e.g. virtio_ring, virtio_pci etc.), the
+ * rest are per-device feature bits.
+ */
 #define VIRTIO_TRANSPORT_F_START       28
 #define VIRTIO_TRANSPORT_F_END         38