Subject: Re: linux-next: build failure after merge of the kbuild tree

From: Jeff Johnson <[email-masked]>
Date: Wed, 26 Mar 2025 17:20:35 -0700

On 3/26/2025 4:16 PM, Stephen Rothwell wrote:
> Hi all,
> 
> On Mon, 24 Mar 2025 10:30:48 +1100 Stephen Rothwell <[email-masked]> wrote:
>>
>> After merging the kbuild tree, today's linux-next build (powerpc
>> ppc64_defconfig) failed like this:
>>
>> ERROR: modpost: missing MODULE_DESCRIPTION() in lib/kunit/backtrace-suppression-test.o
>> ERROR: modpost: missing MODULE_DESCRIPTION() in lib/slub_kunit.o
> 
> This is now lib/tests/slub_kuni.c
> 
>> Caused by commits
>>
>>   19f3496e6241 ("kunit: add test cases for backtrace warning suppression")
>>
>> from the mm-nonmm-unstable branch of the mm tree and
>>
>>   1f9f78b1b376 ("mm/slub, kunit: add a KUnit test for SLUB debugging functionality")
>>
>> from Linus' tree (in v5.14rc1) interacting with commit
>>
>>   6c6c1fc09de3 ("modpost: require a MODULE_DESCRIPTION()")
>>
>> from the kbuild tree.
>>
>> I have temporarily reverted the latter commit until the former are
>> fixed up.
> 
> I am still reverting that commit.
> 

Guenter & Oliver, can you add MODULE_DESCRIPTION() macros to your respective modules?

Context:
https://lore.kernel.org/all/[email-masked]/