Re: [PATCH v2 9/9] perf,tracing: Allow function tracing when !RCU

Sergey Senozhatsky
2020-02-14T02:42:48Z

On (20/02/14 11:28), Sergey Senozhatsky wrote:
> On (20/02/12 22:01), Peter Zijlstra wrote:
> > Since perf is now able to deal with !rcu_is_watching() contexts,
> > remove the restraint.
> >
> > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> > ---
> > kernel/trace/trace_event_perf.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > --- a/kernel/trace/trace_event_perf.c
> > +++ b/kernel/trace/trace_event_perf.c
> > @@ -477,7 +477,7 @@ static int perf_ftrace_function_register
> > {
> > struct ftrace_ops *ops = &event->ftrace_ops;
> >
> > - ops->flags = FTRACE_OPS_FL_RCU;
> > + ops->flags = 0;
>
> FTRACE_OPS_FL_ENABLED?

No, never mind.

-ss