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authorThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
committerThomas Gleixner <tglx@linutronix.de>2009-05-20 09:02:28 +0200
commit521c180874dae86f675d23c4eade4dba8b1f2cc8 (patch)
tree7509303da3a9a1b40a26f6811f321c89cd31737b /drivers/oprofile/buffer_sync.c
parentf1a11e0576c7a73d759d05d776692b2b2d37172b (diff)
parent64d1304a64477629cb16b75491a77bafe6f86963 (diff)
Merge branch 'core/urgent' into core/futexes
Merge reason: this branch was on an pre -rc1 base, merge it up to -rc6+ to get the latest upstream fixes. Conflicts: kernel/futex.c Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/oprofile/buffer_sync.c')
-rw-r--r--drivers/oprofile/buffer_sync.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c
index 2c9aa49e43c..8574622e36a 100644
--- a/drivers/oprofile/buffer_sync.c
+++ b/drivers/oprofile/buffer_sync.c
@@ -154,6 +154,10 @@ int sync_start(void)
{
int err;
+ if (!alloc_cpumask_var(&marked_cpus, GFP_KERNEL))
+ return -ENOMEM;
+ cpumask_clear(marked_cpus);
+
start_cpu_work();
err = task_handoff_register(&task_free_nb);
@@ -179,6 +183,7 @@ out2:
task_handoff_unregister(&task_free_nb);
out1:
end_sync();
+ free_cpumask_var(marked_cpus);
goto out;
}
@@ -190,6 +195,7 @@ void sync_stop(void)
profile_event_unregister(PROFILE_TASK_EXIT, &task_exit_nb);
task_handoff_unregister(&task_free_nb);
end_sync();
+ free_cpumask_var(marked_cpus);
}
@@ -565,20 +571,6 @@ void sync_buffer(int cpu)
mutex_unlock(&buffer_mutex);
}
-int __init buffer_sync_init(void)
-{
- if (!alloc_cpumask_var(&marked_cpus, GFP_KERNEL))
- return -ENOMEM;
-
- cpumask_clear(marked_cpus);
- return 0;
-}
-
-void buffer_sync_cleanup(void)
-{
- free_cpumask_var(marked_cpus);
-}
-
/* The function can be used to add a buffer worth of data directly to
* the kernel buffer. The buffer is assumed to be a circular buffer.
* Take the entries from index start and end at index end, wrapping