(2014/03/22 6:44), Steven Rostedt wrote: > On Wed, 05 Mar 2014 20:58:57 +0900 > Masami Hiramatsu <masami.hiramatsu...@hitachi.com> 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 <masami.hiramatsu...@hitachi.com> >> Cc: Thomas Gleixner <t...@linutronix.de> >> Cc: Ingo Molnar <mi...@redhat.com> >> Cc: "H. Peter Anvin" <h...@zytor.com> > > Reviewed-by: Steven Rostedt <rost...@goodmis.org> >
Thanks! :) -- Masami HIRAMATSU IT Management Research Dept. Linux Technology Center Hitachi, Ltd., Yokohama Research Laboratory E-mail: masami.hiramatsu...@hitachi.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
