(2014/03/22 6:44), Steven Rostedt wrote: > On Wed, 05 Mar 2014 20:58:57 +0900 > Masami Hiramatsu <[email protected]> wrote: > >> Since the NMI handlers(e.g. perf) can interrupt in the >> single stepping (or preparing the single stepping, do_debug >> etc.), we should consider a kprobe is hit in the NMI >> handler. Even in that case, the kprobe is allowed to be >> reentered as same as the kprobes hit in kprobe handlers >> (KPROBE_HIT_ACTIVE or KPROBE_HIT_SSDONE). >> The real issue will happen when a kprobe hit while another >> reentered kprobe is processing (KPROBE_REENTER), because >> we already consumed a saved-area for the previous kprobe. >> >> Signed-off-by: Masami Hiramatsu <[email protected]> >> Cc: Thomas Gleixner <[email protected]> >> Cc: Ingo Molnar <[email protected]> >> Cc: "H. Peter Anvin" <[email protected]> > > Reviewed-by: Steven Rostedt <[email protected]> >
Thanks! :) -- Masami HIRAMATSU IT Management Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: [email protected] -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
