Commit-ID: a443026a48ad7a8b1b966b00fb5d7111b81a219b
Gitweb: https://git.kernel.org/tip/a443026a48ad7a8b1b966b00fb5d7111b81a219b
Author: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
AuthorDate: Sat, 4 Nov 2017 13:31:21 +0900
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 7 Nov 2017 11:25:14 +0100
arm/kprobes: Remove jprobe test case
Remove the jprobes test case because jprobes is a deprecated feature.
Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Jon Medhurst <tixy@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/150976988105.2012.13618117383683725047.stgit@devbox
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/arm/probes/kprobes/test-core.c | 57 -------------------------------------
1 file changed, 57 deletions(-)
diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c
index 9c3ceba..9ed0129 100644
--- 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)
--
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