+ /* need to recheck hwthread_req after a barrier, to avoid race */
+ sync
+ lbz r3, HSTATE_HWTHREAD_REQ(r13)
+ cmpwi r3, 0
+ bne 54f
+/*
+ * We jump to power7_wakeup_loss, which will return to the caller
+ * of power7_nap in the powernv cpu offline loop. The value we
+ * put in r3 becomes the return value for power7_nap.
+ */