diff options
author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-05-10 17:12:17 -0700 |
---|---|---|
committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-05-11 16:10:47 -0700 |
commit | 72d5a9f7a9542f88397558c65bcfc3b115a65e34 (patch) | |
tree | e46d3ad1948de45b9641d1a8b88f88bfb3809007 /kernel/rcutiny.c | |
parent | 4376030a54860dedab9d848dfa7cc700a6025c0b (diff) | |
download | kernel_samsung_espresso10-72d5a9f7a9542f88397558c65bcfc3b115a65e34.zip kernel_samsung_espresso10-72d5a9f7a9542f88397558c65bcfc3b115a65e34.tar.gz kernel_samsung_espresso10-72d5a9f7a9542f88397558c65bcfc3b115a65e34.tar.bz2 |
rcu: remove all rcu head initializations, except on_stack initializations
Remove all rcu head inits. We don't care about the RCU head state before passing
it to call_rcu() anyway. Only leave the "on_stack" variants so debugobjects can
keep track of objects on stack.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcutiny.c')
-rw-r--r-- | kernel/rcutiny.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c index b1804ff..38729d3 100644 --- a/kernel/rcutiny.c +++ b/kernel/rcutiny.c @@ -245,11 +245,13 @@ void rcu_barrier(void) { struct rcu_synchronize rcu; + init_rcu_head_on_stack(&rcu.head); init_completion(&rcu.completion); /* Will wake me after RCU finished. */ call_rcu(&rcu.head, wakeme_after_rcu); /* Wait for it. */ wait_for_completion(&rcu.completion); + destroy_rcu_head_on_stack(&rcu.head); } EXPORT_SYMBOL_GPL(rcu_barrier); @@ -257,11 +259,13 @@ void rcu_barrier_bh(void) { struct rcu_synchronize rcu; + init_rcu_head_on_stack(&rcu.head); init_completion(&rcu.completion); /* Will wake me after RCU finished. */ call_rcu_bh(&rcu.head, wakeme_after_rcu); /* Wait for it. */ wait_for_completion(&rcu.completion); + destroy_rcu_head_on_stack(&rcu.head); } EXPORT_SYMBOL_GPL(rcu_barrier_bh); @@ -269,11 +273,13 @@ void rcu_barrier_sched(void) { struct rcu_synchronize rcu; + init_rcu_head_on_stack(&rcu.head); init_completion(&rcu.completion); /* Will wake me after RCU finished. */ call_rcu_sched(&rcu.head, wakeme_after_rcu); /* Wait for it. */ wait_for_completion(&rcu.completion); + destroy_rcu_head_on_stack(&rcu.head); } EXPORT_SYMBOL_GPL(rcu_barrier_sched); |