Hi Amery

 /* Transport features flags */
 /* Transport provides host->guest communication */
-#define VSOCK_TRANSPORT_F_H2G		0x00000001
+#define VSOCK_TRANSPORT_F_H2G			0x00000001
 /* Transport provides guest->host communication */
-#define VSOCK_TRANSPORT_F_G2H		0x00000002
-/* Transport provides DGRAM communication */
-#define VSOCK_TRANSPORT_F_DGRAM		0x00000004
+#define VSOCK_TRANSPORT_F_G2H			0x00000002
+/* Transport provides fallback for DGRAM communication */
+#define VSOCK_TRANSPORT_F_DGRAM_FALLBACK	0x00000004
 /* Transport provides local (loopback) communication */
-#define VSOCK_TRANSPORT_F_LOCAL		0x00000008
+#define VSOCK_TRANSPORT_F_LOCAL			0x00000008

^^^ This is refactoring ?

+		/* During vsock_create(), the transport cannot be decided yet if
+		 * using virtio. While for VMCI, it is transport_dgram_fallback.

I'm not English speaker, but 'decided' -> 'detected'/'resolved' ?



Thanks, Arseniy