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

On Thu, 10 Jan 2019 12:12:31 -0500 Steven Rostedt rostedt@goodmis.org wrote:

On Thu, 10 Jan 2019 11:56:53 +0900 Masami Hiramatsu mhiramat@kernel.org 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@kernel.org

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@goodmis.org

Thank you for your Ack!

-- Steve