Re: [PATCH] arm: kprobes: add missing MODULE_DESCRIPTION() macro

Randy Dunlap
2026-05-03T21:13:01Z

Hi Arnd,

On 7/19/24 4:28 AM, Arnd Bergmann wrote:
> On Tue, Jul 9, 2024, at 21:53, Jeff Johnson wrote:
>> On 6/22/2024 9:34 PM, Jeff Johnson wrote:
>>> With ARCH=arm, make allmodconfig && make W=1 C=1 reports:
>>> WARNING: modpost: missing MODULE_DESCRIPTION() in arch/arm/probes/kprobes/test-kprobes.o
>>>
>>> Add the missing invocation of the MODULE_DESCRIPTION() macro.
>>>
>>> Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
>>> ---
>>> arch/arm/probes/kprobes/test-core.c | 1 +
>>> 1 file changed, 1 insertion(+)
>>>
>>> diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c
>>> index 171c7076b89f..6e9041a76b8b 100644
>>> --- a/arch/arm/probes/kprobes/test-core.c
>>> +++ b/arch/arm/probes/kprobes/test-core.c
>>> @@ -1664,6 +1664,7 @@ static void __exit kprobe_test_exit(void)
>>>
>>> module_init(run_all_tests)
>>> module_exit(kprobe_test_exit)
>>> +MODULE_DESCRIPTION("ARM kprobes test module");
>>> MODULE_LICENSE("GPL");
>>>
>>> #else /* !MODULE */
>>>
>>> ---
>>> base-commit: 563a50672d8a86ec4b114a4a2f44d6e7ff855f5b
>>> change-id: 20240622-md-arm-arch-arm-probes-kprobes-34037098a2c3
>>
>> I don't see this in linux-next yet so following up to see if anything else is
>> needed to get this merged.
>
> Hi Jeff,
>
> The arm tree uses a separate submission system for reviewed
> patches to get into the tree, see
>
> https://www.arm.linux.org.uk/developer/patches/info.php
> https://www.arm.linux.org.uk/developer/patches/section.php?section=0
>
> I looked at this file as well during build testing
> and ended up combining the change with a cleanup,
> If you like, I can send my version instead, see below.
>
> Arnd
>
> diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c
> index 171c7076b89f..0c6639509eff 100644
> --- a/arch/arm/probes/kprobes/test-core.c
> +++ b/arch/arm/probes/kprobes/test-core.c
> @@ -1650,24 +1650,16 @@ static int __init run_all_tests(void)
>
> return ret;
> }
> -
> +late_initcall(run_all_tests);
>
> /*
> * Module setup
> */
>
> -#ifdef MODULE
> -
> static void __exit kprobe_test_exit(void)
> {
> }
> -
> -module_init(run_all_tests)
> module_exit(kprobe_test_exit)
> -MODULE_LICENSE("GPL");
>
> -#else /* !MODULE */
> -
> -late_initcall(run_all_tests);
> -
> -#endif
> +MODULE_DESCRIPTION("Test code for ARM kprobes");
> +MODULE_LICENSE("GPL");

What happened with this cleanup patch?
I don't see it on a mailing list or in linux.git or linux-next.git.

I was about to come up with the same patch since it still seems to be
needed in linux-next-20260430.

thanks.
--
~Randy