[PATCH v4 06/16] ARM: Disable jprobes test when built into thumb-mode kernel
From: David Long <hidden>
Date: 2013-12-16 04:09:10
Also in:
lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
From: "Jon Medhurst (Tixy)" <redacted> For now the jprobes tests fail on ARM for when built into a kernel compiled in thumb mode. They work fine for ARM kernels, and when built as a loadable module. Signed-off-by: "Jon Medhurst (Tixy)" <redacted> Signed-off-by: David A. Long <redacted> --- arch/arm/kernel/kprobes-test.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/arch/arm/kernel/kprobes-test.c b/arch/arm/kernel/kprobes-test.c
index 0cd63d0..65230b2 100644
--- a/arch/arm/kernel/kprobes-test.c
+++ b/arch/arm/kernel/kprobes-test.c@@ -221,6 +221,7 @@ static int pre_handler_called; static int post_handler_called; static int jprobe_func_called; static int kretprobe_handler_called; +static int tests_failed; #define FUNC_ARG1 0x12345678 #define FUNC_ARG2 0xabcdef
@@ -457,6 +458,13 @@ static int run_api_tests(long (*func)(long, long)) 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"); + tests_failed = ret; + ret = 0; + } +#endif if (ret < 0) return ret;
@@ -1667,6 +1675,8 @@ static int __init run_all_tests(void) out: if (ret == 0) + ret = tests_failed; + if (ret == 0) pr_info("Finished kprobe tests OK\n"); else pr_err("kprobe tests failed\n");
--
1.8.1.2