[PATCH v3 06/15] ARM: Disable jprobes test when built into thumb-mode kernel

[Jon Medhurst (Tixy)]

On Wed, 2013-11-27 at 19:16 +0900, Masami Hiramatsu wrote:
> (2013/11/27 11:53), David Long wrote:
> > From: "Jon Medhurst (Tixy)" <tixy at 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: David A. Long <dave.long at linaro.org>
> 
> You'd better add Jon's signed-off-by here.

Agreed, I forgot to add that when I proposed the patch.

> 
> Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt at hitachi.com>
> 
> > ---
> >  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");
> > 
> 
>