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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-01-08 16:24:38 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-01-08 16:24:38 +1100 |
| commit | 24f030175d30f019be41766cdf88c2ff03de19ff (patch) | |
| tree | 354232a84e82d5a721ed7b1a9af580ff2a59be8f /kernel/rcupdate.c | |
| parent | 4aa12f7b927c3cac0e0cf3503642597527d0ece0 (diff) | |
| parent | 9e42d0cf5020aaf217433cad1a224745241d212a (diff) | |
Merge commit 'origin/master' into next
Diffstat (limited to 'kernel/rcupdate.c')
| -rw-r--r-- | kernel/rcupdate.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index ad63af8b2521..d92a76a881aa 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -77,8 +77,15 @@ void wakeme_after_rcu(struct rcu_head *head) * sections are delimited by rcu_read_lock() and rcu_read_unlock(), * and may be nested. */ -void synchronize_rcu(void); /* Makes kernel-doc tools happy */ -synchronize_rcu_xxx(synchronize_rcu, call_rcu) +void synchronize_rcu(void) +{ + struct rcu_synchronize rcu; + 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); +} EXPORT_SYMBOL_GPL(synchronize_rcu); static void rcu_barrier_callback(struct rcu_head *notused) |