Re: [PATCH 1/5] test_kmod: make selftest executable

[Luis R. Rodriguez]

On Wed, Aug 2, 2017 at 3:43 PM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Wed,  2 Aug 2017 14:14:46 -0700 "Luis R. Rodriguez" <mcgrof@xxxxxxxxxx> wrote:
>
>> We had just forgotten to do this.
>>
>> Fixes: 39258f448d71 ("kmod: add test driver to stress test the module loader")
>> Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxx>
>> ---
>>  tools/testing/selftests/kmod/kmod.sh | 0
>>  1 file changed, 0 insertions(+), 0 deletions(-)
>>  mode change 100644 => 100755 tools/testing/selftests/kmod/kmod.sh
>>
>> diff --git a/tools/testing/selftests/kmod/kmod.sh b/tools/testing/selftests/kmod/kmod.sh
>> old mode 100644
>> new mode 100755
>
> This is pretty fragile - I'm not sure that patch/diff are capable of
> communicating a bare chmod.  If someone does a "patch -p1 < patch-4.14"
> or whatever, this change is likely to get lost.

True if using regular diff, if using git, it will catch it though.

> It's more robust to not care about the x bit at all.  Something like
> this?
>
> --- a/tools/testing/selftests/lib.mk~a
> +++ a/tools/testing/selftests/lib.mk
> @@ -14,7 +14,7 @@ all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_
>  define RUN_TESTS
>         @for TEST in $(TEST_GEN_PROGS) $(TEST_PROGS); do \
>                 BASENAME_TEST=`basename $$TEST`;        \
> -               cd `dirname $$TEST`; (./$$BASENAME_TEST && echo "selftests: $$BASENAME_TEST [PASS]") || echo "selftests:  $$BASENAME_TEST [FAIL]"; cd -;\
> +               cd `dirname $$TEST`; (/bin/sh ./$$BASENAME_TEST && echo "selftests: $$BASENAME_TEST [PASS]") || echo "selftests:  $$BASENAME_TEST [FAIL]"; cd -;\
>         done;
>  endef
>
>
> (probably incomplete, should presumably use $SHELL or something)

Probably a good idea indeed, Shuah ?

Although I'll note I also do like to run selftest scripts on my own
too, so the chmod is still desirable.

 Luis