Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH RFC tip/core/rcu 02/16] rcu: make dead code really dead | Date | Thu, 15 Apr 2010 11:13:25 -0700 |
| |
From: Lai Jiangshan <laijs@cn.fujitsu.com>
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> --- kernel/rcutree.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/rcutree.c b/kernel/rcutree.c index e54c123..6042fb8 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -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 */ -- 1.7.0
| |