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    Subject[PATCH v4 06/16] ARM: Disable jprobes test when built into thumb-mode kernel
    Date
    From: "Jon Medhurst (Tixy)" <tixy@linaro.org>

    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)" <tixy@linaro.org>
    Signed-off-by: David A. Long <dave.long@linaro.org>
    ---
    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


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