diff options
| author | Mark Brown <broonie@linaro.org> | 2013-06-14 10:16:06 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-06-14 10:16:06 +0100 |
| commit | 384b8345589cbbb18a99ce1b112da90c58c802e8 (patch) | |
| tree | 51fee39fa19adad6b24fb90123e7a0ca3159c9c5 /kernel/trace/trace.c | |
| parent | 9c24b1672283644adf871244771ebf387dd73f90 (diff) | |
| parent | 2e7ee15ced914e109a1a5b6dfcd463d846a13bd5 (diff) | |
Merge branch 'fix/wm8962' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-wm8962
Conflicts:
sound/soc/codecs/wm8962.c
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 4d79485b323..1a41023a1f8 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -843,7 +843,15 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu) memcpy(max_data->comm, tsk->comm, TASK_COMM_LEN); max_data->pid = tsk->pid; - max_data->uid = task_uid(tsk); + /* + * If tsk == current, then use current_uid(), as that does not use + * RCU. The irq tracer can be called out of RCU scope. + */ + if (tsk == current) + max_data->uid = current_uid(); + else + max_data->uid = task_uid(tsk); + max_data->nice = tsk->static_prio - 20 - MAX_RT_PRIO; max_data->policy = tsk->policy; max_data->rt_priority = tsk->rt_priority; |