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author | David S. Miller <davem@davemloft.net> | 2009-05-18 21:08:20 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-05-18 21:08:20 -0700 |
commit | bb803cfbecb03a0cf8dc7e1864f18dda6631af00 (patch) | |
tree | 6c0989693bea6f50cfa5c6bb14f52ec19668def3 /kernel/rcupdate.c | |
parent | 3878fb6fdbceecca20b15748f807340854220f06 (diff) | |
parent | 511e11e396dc596825ce04d53d7f6d579404bc01 (diff) | |
download | lwn-bb803cfbecb03a0cf8dc7e1864f18dda6631af00.tar.gz lwn-bb803cfbecb03a0cf8dc7e1864f18dda6631af00.zip |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/scsi/fcoe/fcoe.c
Diffstat (limited to 'kernel/rcupdate.c')
-rw-r--r-- | kernel/rcupdate.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 2c7b8457d0d2..a967c9feb90a 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -58,6 +58,10 @@ static DEFINE_MUTEX(rcu_barrier_mutex); static struct completion rcu_barrier_completion; int rcu_scheduler_active __read_mostly; +static atomic_t rcu_migrate_type_count = ATOMIC_INIT(0); +static struct rcu_head rcu_migrate_head[3]; +static DECLARE_WAIT_QUEUE_HEAD(rcu_migrate_wq); + /* * Awaken the corresponding synchronize_rcu() instance now that a * grace period has elapsed. @@ -122,7 +126,10 @@ static void rcu_barrier_func(void *type) } } -static inline void wait_migrated_callbacks(void); +static inline void wait_migrated_callbacks(void) +{ + wait_event(rcu_migrate_wq, !atomic_read(&rcu_migrate_type_count)); +} /* * Orchestrate the specified type of RCU barrier, waiting for all @@ -179,21 +186,12 @@ void rcu_barrier_sched(void) } EXPORT_SYMBOL_GPL(rcu_barrier_sched); -static atomic_t rcu_migrate_type_count = ATOMIC_INIT(0); -static struct rcu_head rcu_migrate_head[3]; -static DECLARE_WAIT_QUEUE_HEAD(rcu_migrate_wq); - static void rcu_migrate_callback(struct rcu_head *notused) { if (atomic_dec_and_test(&rcu_migrate_type_count)) wake_up(&rcu_migrate_wq); } -static inline void wait_migrated_callbacks(void) -{ - wait_event(rcu_migrate_wq, !atomic_read(&rcu_migrate_type_count)); -} - static int __cpuinit rcu_barrier_cpu_hotplug(struct notifier_block *self, unsigned long action, void *hcpu) { |