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rcu: make dead code really dead

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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>
This commit is contained in:
Lai Jiangshan 2010-03-28 11:15:20 +08:00 committed by Paul E. McKenney
parent d25eb9442b
commit f261414f0d
1 changed files with 2 additions and 2 deletions
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kernel/rcutree.c
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@ -1236,11 +1236,11 @@ static void force_quiescent_state(struct rcu_state *rsp, int relaxed)
break; /* grace period idle or initializing, ignore. */ break; /* grace period idle or initializing, ignore. */
case RCU_SAVE_DYNTICK: case RCU_SAVE_DYNTICK:
raw_spin_unlock(&rnp->lock); /* irqs remain disabled */
if (RCU_SIGNAL_INIT != RCU_SAVE_DYNTICK) if (RCU_SIGNAL_INIT != RCU_SAVE_DYNTICK)
break; /* So gcc recognizes the dead code. */ break; /* So gcc recognizes the dead code. */
raw_spin_unlock(&rnp->lock); /* irqs remain disabled */
/* Record dyntick-idle state. */ /* Record dyntick-idle state. */
force_qs_rnp(rsp, dyntick_save_progress_counter); force_qs_rnp(rsp, dyntick_save_progress_counter);
raw_spin_lock(&rnp->lock); /* irqs already disabled */ raw_spin_lock(&rnp->lock); /* irqs already disabled */