Commit f261414f authored by Lai Jiangshan's avatar Lai Jiangshan Committed by Paul E. McKenney
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rcu: make dead code really dead 



cleanup: make dead code really dead

Signed-off-by: default avatarLai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent d25eb944

kernel/rcutree.c

+2 −2
Original line number Diff line number Diff line
@@ -1236,11 +1236,11 @@ static void force_quiescent_state(struct rcu_state *rsp, int relaxed) 
		break; /* grace period idle or initializing, ignore. */



	case RCU_SAVE_DYNTICK:



		raw_spin_unlock(&rnp->lock);  /* irqs remain disabled */

		if (RCU_SIGNAL_INIT != RCU_SAVE_DYNTICK)

			break; /* So gcc recognizes the dead code. */



		raw_spin_unlock(&rnp->lock);  /* irqs remain disabled */



		/* Record dyntick-idle state. */

		force_qs_rnp(rsp, dyntick_save_progress_counter);

		raw_spin_lock(&rnp->lock);  /* irqs already disabled */