On Fri, 01 Nov 2013 11:25:34 +0000 Masami Hiramatsu <masami.hiramatsu...@hitachi.com> wrote:
> Prohibit probing on debug_stack_reset and debug_stack_set_zero. > Since the both functions are called from TRACE_IRQS_ON/OFF_DEBUG > macros which run in int3 ist entry, probing it may cause a soft > lockup. > > This happens when the kernel built with CONFIG_DYNAMIC_FTRACE=y > and CONFIG_TRACE_IRQFLAGS=y. > > 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> > Cc: Borislav Petkov <b...@suse.de> > Cc: Fenghua Yu <fenghua...@intel.com> > Cc: Seiji Aguchi <seiji.agu...@hds.com> > --- Acked-by: Steven Rostedt <rost...@goodmis.org> -- Steve -- 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/