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| author | Ingo Molnar <mingo@kernel.org> | 2012-05-07 11:03:52 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-05-07 11:03:52 +0200 |
| commit | 19631cb3d67c24c8b1fa58bc69bc2fed8d15095d (patch) | |
| tree | a56d9e11f23e3433f9eaa5b3f9dec7bef378c37e /kernel/trace/trace_printk.c | |
| parent | 1fa2e84db3f95adab8d9c2aa245e9a0ebf32248a (diff) | |
| parent | 59a094c994a138049b41a44bc29cff9407d51c5b (diff) | |
Merge branch 'tip/perf/core-4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core
Diffstat (limited to 'kernel/trace/trace_printk.c')
| -rw-r--r-- | kernel/trace/trace_printk.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/trace_printk.c b/kernel/trace/trace_printk.c index 6fd4ffd042f..a9077c1b4ad 100644 --- a/kernel/trace/trace_printk.c +++ b/kernel/trace/trace_printk.c @@ -51,6 +51,10 @@ void hold_module_trace_bprintk_format(const char **start, const char **end) const char **iter; char *fmt; + /* allocate the trace_printk per cpu buffers */ + if (start != end) + trace_printk_init_buffers(); + mutex_lock(&btrace_mutex); for (iter = start; iter < end; iter++) { struct trace_bprintk_fmt *tb_fmt = lookup_format(*iter); |