SER_RI
sc->sc_msr |= SER_RI;
msr |= SER_RI;
sc->sc_msr |= SER_RI;
*p_msr |= SER_RI;
if (ISSET(bits, SER_RI)) {
SET(rbits, SER_RI);
if (sc->sc_msr & SER_RI) {
sigon |= SER_RI;
msr |= SER_RI;
#define SER_DRI SER_DELTA(SER_RI)