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SubjectRe: [PATCH] ftrace: Remove use of control list and ops
On Wed, 2 Dec 2015 08:59:11 +0100
Jiri Olsa <jolsa@redhat.com> wrote:

> > - op->func(ip, parent_ip, op, regs);
> > + preempt_disable_notrace();
>
> I was wondering about not disabling preemption in the original
> ftrace_ops_recurs_func function.. thats why I added new one ;-)

Yeah, I paused on that too. But then I realized that pretty much all
callers of function tracing disable preemption too, so it shouldn't
cause really any more overhead.

-- Steve


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