xengnt_revoke_access
void xengnt_revoke_access(grant_ref_t);
xengnt_revoke_access(req->rxreq_gntref);
xengnt_revoke_access(req->txreq_gntref);
xengnt_revoke_access(sc->sc_tx_ring_gntref);
xengnt_revoke_access(sc->sc_rx_ring_gntref);
xengnt_revoke_access(rxreq->rxreq_gntref);
xengnt_revoke_access(req->txreq_gntref);
xengnt_revoke_access(pobj->u.ga.gref_ids[i]);
xengnt_revoke_access(obj->u.ga.gref_ids[j]);
xengnt_revoke_access(obj->u.ga.gref_ids[i]);
xengnt_revoke_access(
xengnt_revoke_access(sc->sc_ring_gntref);
xengnt_revoke_access(gntref);