| Date | Fri, 21 Mar 2014 20:50:32 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH -tip v8 05/26] [BUGFIX] kprobes/x86: Prohibit probing on debug_stack_* |
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On Wed, 05 Mar 2014 20:59:18 +0900 Masami Hiramatsu <masami.hiramatsu.pt@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.pt@hitachi.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
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