arm/kprobes: Remove jprobe test case

Remove the jprobes test case because jprobes is a deprecated feature.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jon Medhurst <tixy@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/150976988105.2012.13618117383683725047.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c
index 9c3ceba..9ed0129 100644 (file)
--- a/arch/arm/probes/kprobes/test-core.c
+++ b/arch/arm/probes/kprobes/test-core.c
@@ -227,7 +227,6 @@ static bool test_regs_ok;
 static int test_func_instance;
 static int pre_handler_called;
 static int post_handler_called;
-static int jprobe_func_called;
 static int kretprobe_handler_called;
 static int tests_failed;
 
@@ -370,50 +369,6 @@ static int test_kprobe(long (*func)(long, long))
        return 0;
 }
 
-static void __kprobes jprobe_func(long r0, long r1)
-{
-       jprobe_func_called = test_func_instance;
-       if (r0 == FUNC_ARG1 && r1 == FUNC_ARG2)
-               test_regs_ok = true;
-       jprobe_return();
-}
-
-static struct jprobe the_jprobe = {
-       .entry          = jprobe_func,
-};
-
-static int test_jprobe(long (*func)(long, long))
-{
-       int ret;
-
-       the_jprobe.kp.addr = (kprobe_opcode_t *)func;
-       ret = register_jprobe(&the_jprobe);
-       if (ret < 0) {
-               pr_err("FAIL: register_jprobe failed with %d\n", ret);
-               return ret;
-       }
-
-       ret = call_test_func(func, true);
-
-       unregister_jprobe(&the_jprobe);
-       the_jprobe.kp.flags = 0; /* Clear disable flag to allow reuse */
-
-       if (!ret)
-               return -EINVAL;
-       if (jprobe_func_called != test_func_instance) {
-               pr_err("FAIL: jprobe handler function not called\n");
-               return -EINVAL;
-       }
-       if (!call_test_func(func, false))
-               return -EINVAL;
-       if (jprobe_func_called == test_func_instance) {
-               pr_err("FAIL: probe called after unregistering\n");
-               return -EINVAL;
-       }
-
-       return 0;
-}
-
 static int __kprobes
 kretprobe_handler(struct kretprobe_instance *ri, struct pt_regs *regs)
 {
@@ -468,18 +423,6 @@ static int run_api_tests(long (*func)(long, long))
        if (ret < 0)
                return ret;
 
-       pr_info("    jprobe\n");
-       ret = test_jprobe(func);
-#if defined(CONFIG_THUMB2_KERNEL) && !defined(MODULE)
-       if (ret == -EINVAL) {
-               pr_err("FAIL: Known longtime bug with jprobe on Thumb kernels\n");
-               tests_failed = ret;
-               ret = 0;
-       }
-#endif
-       if (ret < 0)
-               return ret;
-
        pr_info("    kretprobe\n");
        ret = test_kretprobe(func);
        if (ret < 0)