Re: [PATCH v6 1/3] kselftests: lib.mk: Add TEST_GEN_MODS_DIR variable

Shuah Khan
2024-01-22T17:38:53Z

On 1/22/24 10:37, Marcos Paulo de Souza wrote:
> On Mon, 2024-01-22 at 10:15 -0700, Shuah Khan wrote:
>> On 1/12/24 10:43, Marcos Paulo de Souza wrote:
>>> Add TEST_GEN_MODS_DIR variable for kselftests. It can point to
>>> a directory containing kernel modules that will be used by
>>> selftest scripts.
>>>
>>> The modules are built as external modules for the running kernel.
>>> As a result they are always binary compatible and the same tests
>>> can be used for older or newer kernels.
>>>
>>> The build requires "kernel-devel" package to be installed.
>>> For example, in the upstream sources, the rpm devel package
>>> is produced by "make rpm-pkg"
>>>
>>> The modules can be built independently by
>>>
>>>    make -C tools/testing/selftests/livepatch/
>>>
>>> or they will be automatically built before running the tests via
>>>
>>>    make -C tools/testing/selftests/livepatch/ run_tests
>>>
>>> Note that they are _not_ built when running the standalone
>>> tests by calling, for example, ./test-state.sh.
>>>
>>> Along with TEST_GEN_MODS_DIR, it was necessary to create a new
>>> install
>>> rule. INSTALL_MODS_RULE is needed because INSTALL_SINGLE_RULE would
>>> copy the entire TEST_GEN_MODS_DIR directory to the destination,
>>> even
>>> the files created by Kbuild to compile the modules. The new install
>>> rule copies only the .ko files, as we would expect the gen_tar to
>>> work.
>>>
>>> Reviewed-by: Joe Lawrence <joe.lawrence@redhat.com>
>>> Reviewed-by: Petr Mladek <pmladek@suse.com>
>>> Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
>>> ---
>>>   Documentation/dev-tools/kselftest.rst |  4 ++++
>>>   tools/testing/selftests/lib.mk        | 26 +++++++++++++++++++++-
>>> ----
>>
>>
>> Hi Marcos,
>>
>> I would like the doc patch and lib.mk patch separate. If lib.mk needs
>> changes
>> we don't have to touch the doc patch.
>
> Hi Shuah,
> on patch 2/3 you also said that you would like to have the
> documentation changes split in the future, and that you picked the
> changes into a testing branch. Does it also applies to this patch?
>

No need to do anything now. I just applied the series to linux-kselftest next

thanks,
-- Shuah