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authorLai Jiangshan <laijs@cn.fujitsu.com>2010-03-27 23:15:20 -0400
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2010-05-10 14:08:31 -0400
commitf261414f0d56dd1a0e34888e27d1d4902ad052f3 (patch)
tree6779e82e0a520121a8d1b86fbfb248bef3ab201a
parentd25eb9442bb2c38c1e742f0fa764d7132d72593f (diff)
rcu: make dead code really dead
cleanup: make dead code really dead Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
-rw-r--r--kernel/rcutree.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index e54c12351227..6042fb859535 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1236,11 +1236,11 @@ static void force_quiescent_state(struct rcu_state *rsp, int relaxed)
1236 break; /* grace period idle or initializing, ignore. */ 1236 break; /* grace period idle or initializing, ignore. */
1237 1237
1238 case RCU_SAVE_DYNTICK: 1238 case RCU_SAVE_DYNTICK:
1239
1240 raw_spin_unlock(&rnp->lock); /* irqs remain disabled */
1241 if (RCU_SIGNAL_INIT != RCU_SAVE_DYNTICK) 1239 if (RCU_SIGNAL_INIT != RCU_SAVE_DYNTICK)
1242 break; /* So gcc recognizes the dead code. */ 1240 break; /* So gcc recognizes the dead code. */
1243 1241
1242 raw_spin_unlock(&rnp->lock); /* irqs remain disabled */
1243
1244 /* Record dyntick-idle state. */ 1244 /* Record dyntick-idle state. */
1245 force_qs_rnp(rsp, dyntick_save_progress_counter); 1245 force_qs_rnp(rsp, dyntick_save_progress_counter);
1246 raw_spin_lock(&rnp->lock); /* irqs already disabled */ 1246 raw_spin_lock(&rnp->lock); /* irqs already disabled */