tracing/kprobes: Avoid self tests if tracing is disabled on boot up
If tracing is disabled on boot up, the kernel should not execute tracing self tests. The kernel should check whether tracing is disabled or not before executing any of the tracing self tests. Link: http://lkml.kernel.org/p/20140605223520.32311.56097.stgit@yunodevelAcked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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