Re: [PATCH v3 07/12] kbuild: modpost: read modules.order instead of $(MODVERDIR)/*.mod

[Jan Kiszka]

On 25.07.19 17:18, Masahiro Yamada wrote:
> Hi Jan,
> 
> On Thu, Jul 25, 2019 at 5:39 PM Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote:
>>>
>>
>> This affects also external modules builds: I have patterns here that do
>>
>> [Makefile]
>> subdir-y := some-module
>>
>> [some-module/Makefile]
>> obj-m := some-module.o
>>
>> and since this patch, the final some-module.ko is no longer built. Am I missing
>> something in the kbuild makefiles, or is this a regression?
> 
> Thanks for the report.
> Interesting. I have never imagined that Makefiles were written like that.
> 
> I just wrote a fix-up, but I have not determined to apply it.
> https://patchwork.kernel.org/patch/11059033/
> 
> It is easy to fixup your Makefile, though.

Thanks for addressing this quickly! I'm happy to adjust our code [1]. Is the
suggested pattern usable with recent stable kernels as well, say down to 4.4 at
least?

Jan

[1] https://github.com/siemens/jailhouse/blob/master/Kbuild#L54

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