Re: [PATCH -tip tracing/kprobes 6/6] kprobes: Prohibit to probe native_get_debugreg

Ananth N Mavinakayanahalli
2009-08-28T04:41:49Z

On Thu, Aug 27, 2009 at 01:23:32PM -0400, Masami Hiramatsu wrote:
> Since do_debug() calls get_debugreg(), native_get_debugreg() will be called
> from singlestepping. This can cause an int3 infinit loop.
>
> Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
> Cc: Frederic Weisbecker <fweisbec@gmail.com>
> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
> Cc: Ingo Molnar <mingo@elte.hu>
> ---

Acked-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>