Re: [PATCH 6/9] kprobes: Prohibit probing on hardirq tracers

[Masami Hiramatsu]

On Thu, 10 Jan 2019 12:12:31 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> On Thu, 10 Jan 2019 11:56:53 +0900
> Masami Hiramatsu <mhiramat@xxxxxxxxxx> wrote:
> 
> > Since kprobes breakpoint handling involves hardirq tracer,
> > probing these functions cause breakpoint recursion problem.
> > 
> > Prohibit probing on those functions.
> > 
> > Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> > ---
> >  kernel/trace/trace_irqsoff.c    |    9 +++++++--
> >  kernel/trace/trace_preemptirq.c |    5 +++++
> >  2 files changed, 12 insertions(+), 2 deletions(-)
> > 
> 
> 
> Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

Thank you for your Ack!

> 
> -- Steve


-- 
Masami Hiramatsu <mhiramat@xxxxxxxxxx>