kprobes: Disable the jprobes test code

Disable jprobes test code because jprobes are deprecated.
This code will be completely removed when the jprobe code
is removed.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: David S . Miller <davem@davemloft.net>
Cc: Ian McDonald <ian.mcdonald@jandi.co.nz>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephen Hemminger <stephen@networkplumber.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vlad Yasevich <vyasevich@gmail.com>
Link: http://lkml.kernel.org/r/150724531730.5014.6377596890962355763.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>

kernel/test_kprobes.c

@@ -22,7 +22,7 @@
 
 #define div_factor 3
 
-static u32 rand1, preh_val, posth_val, jph_val;
+static u32 rand1, preh_val, posth_val;
 static int errors, handler_errors, num_tests;
 static u32 (*target)(u32 value);
 static u32 (*target2)(u32 value);
@@ -162,6 +162,9 @@ static int test_kprobes(void)
 
 }
 
+#if 0
+static u32 jph_val;
+
 static u32 j_kprobe_target(u32 value)
 {
 	if (preemptible()) {
@@ -239,6 +242,10 @@ static int test_jprobes(void)
 
 	return 0;
 }
+#else
+#define test_jprobe() (0)
+#define test_jprobes() (0)
+#endif
 #ifdef CONFIG_KRETPROBES
 static u32 krph_val;