457 	struct rcu_torture_reader_check *rtrcp = READ_ONCE(rp->rtort_chkp);  in rcu_torture_pipe_update_one()  local
459 	if (rtrcp) {  in rcu_torture_pipe_update_one()
461 		smp_store_release(&rtrcp->rtc_ready, 1); // Pair with smp_load_acquire().  in rcu_torture_pipe_update_one()
1720 	struct rcu_torture_reader_check *rtrcp; // Me.  in rcu_torture_reader_do_mbchk()  local
1729 	rtrcp = &rcu_torture_reader_mbchk[myid];  in rcu_torture_reader_do_mbchk()
1730 	WRITE_ONCE(rtrcp->rtc_myloops, rtrcp->rtc_myloops + 1);  in rcu_torture_reader_do_mbchk()
1738 	    smp_load_acquire(&rtrcp->rtc_chkrdr) < 0 && // Pairs with smp_store_release below.  in rcu_torture_reader_do_mbchk()
1741 		rtrcp->rtc_chkloops = READ_ONCE(rtrcp_chked->rtc_myloops);  in rcu_torture_reader_do_mbchk()
1742 		WARN_ON_ONCE(rtrcp->rtc_chkrdr >= 0);  in rcu_torture_reader_do_mbchk()
1743 		rtrcp->rtc_chkrdr = rdrchked;  in rcu_torture_reader_do_mbchk()
1744 		WARN_ON_ONCE(rtrcp->rtc_ready); // This gets set after the grace period ends.  in rcu_torture_reader_do_mbchk()
1745 		if (cmpxchg_relaxed(&rtrcp_chker->rtc_assigner, NULL, rtrcp) ||  in rcu_torture_reader_do_mbchk()
1746 		    cmpxchg_relaxed(&rtp->rtort_chkp, NULL, rtrcp))  in rcu_torture_reader_do_mbchk()
1747 			(void)cmpxchg_relaxed(&rtrcp_chker->rtc_assigner, rtrcp, NULL); // Back out.  in rcu_torture_reader_do_mbchk()
1751 	rtrcp_assigner = READ_ONCE(rtrcp->rtc_assigner);  in rcu_torture_reader_do_mbchk()
1764 	smp_store_release(&rtrcp->rtc_assigner, NULL); // Someone else can assign us work.  in rcu_torture_reader_do_mbchk()