doc: remove reference to old version of FreeBSD
[dpdk.git] / drivers / bus / vmbus / vmbus_bufring.c
index c2d7d8c..c880016 100644 (file)
@@ -221,6 +221,9 @@ vmbus_rxbr_read(struct vmbus_br *rbr, void *data, size_t dlen, size_t skip)
        if (vmbus_br_availread(rbr) < dlen + skip + sizeof(uint64_t))
                return -EAGAIN;
 
+       /* Record where host was when we started read (for debug) */
+       rbr->windex = rbr->vbr->windex;
+
        /*
         * Copy channel packet from RX bufring.
         */