[PATCH] utilization of kprobe_mutex is incorrect on x86_64

[Zhang, Yanmin]

 <<kprobe_incorrect_kprobe_mutex_2.6.14-rc2_x86_64.patch>> I found it
when reading the source codes. Basically, the bug could break
kprobe_insn_pages under multi-thread environment. PPC arch also has the
problem.
Here is the patch against x86_64.

Signed-off-by: Zhang Yanmin <Yanmin.zhang@intel.com>


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