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SubjectRe: [PATCH v4 06/10] modpost: Add modinfo flag to livepatch modules
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On 8/16/19 8:43 AM, Joe Lawrence wrote:
> On 8/16/19 4:19 AM, Miroslav Benes wrote:
>> Hi,
>>
>>> I cleaned up the build system, and pushed it based on my
>>> kbuild tree.
>>>
>>> Please see:
>>>
>>> git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
>>> klp-cleanup
>>
>> This indeed looks much simpler and cleaner (as far as I can judge with my
>> limited kbuild knowledge). We just need to remove MODULE_INFO(livepatch,
>> "Y") from lib/livepatch/test_klp_convert_mod_a.c to make it compile and
>> work (test_klp_convert_mod_a is not a livepatch module, it is just a dummy
>> module which is then livepatched by lib/livepatch/test_klp_convert1.c).
>>
>
> Yeah, Masahiro this is great, thanks for reworking this!
>
> I did tweak one module like Miroslav mentioned and I think a few of the
> newly generated files need to be cleaned up as part of "make clean", but
> all said, this is a nice improvement.
>

Well actually, now I see this comment in the top-level Makefile:

# Cleaning is done on three levels.

# make clean Delete most generated files

# Leave enough to build external modules

# make mrproper Delete the current configuration, and all generated
files
# make distclean Remove editor backup files, patch leftover files and
the like

I didn't realize that we're supposed to be able to still build external
modules after "make clean". If that's the case, then one might want to
build an external klp-module after doing that.

With that in mind, shouldn't Symbols.list to persist until mrproper?
And I think modules-livepatch could go away during clean, what do you think?

-- Joe

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