diff options
| author |   Ingo Molnar <mingo@elte.hu> | 2008-05-12 21:20:46 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 20:42:12 +0200 |
| commit | d4c5a2f5870939d837293de87b41dda0012a4572 (patch) | |
| tree | 46512c24ff245052e60b6d2156cd9992d272ff11 /kernel/trace/trace.h | |
| parent | ftrace: user run time file reading (diff) | |
| download | linux-dev-d4c5a2f5870939d837293de87b41dda0012a4572.tar.xz linux-dev-d4c5a2f5870939d837293de87b41dda0012a4572.zip | |
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 29a7ea59de50..b0408356f0e0 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: */ |