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/

Reply via email to