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| author | Ingo Molnar <mingo@elte.hu> | 2008-05-12 19:20:46 (GMT) |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 18:42:12 (GMT) |
| commit | d4c5a2f5870939d837293de87b41dda0012a4572 (patch) | |
| tree | 46512c24ff245052e60b6d2156cd9992d272ff11 /kernel/trace/trace.h | |
| parent | b3806b4316306dc9c542eff6c23d7d42918f3504 (diff) | |
| download | linux-d4c5a2f5870939d837293de87b41dda0012a4572.tar.xz | |
ftrace: fix locking
we can hold all cpu trace buffer locks at once - put each into a
separate lock class.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 29a7ea5..b040835 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -56,6 +56,7 @@ struct trace_array_cpu { struct list_head trace_pages; atomic_t disabled; spinlock_t lock; + struct lock_class_key lock_key; cycle_t time_offset; /* these fields get copied into max-trace: */ |