linux-kernel - Re: [PATCH] docs/kselftest: add more guidelines for adding new tests

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Date:   Sat, 21 May 2022 12:02:00 +0500
From:   Muhammad Usama Anjum <usama.anjum@...labora.com>
To:     Bagas Sanjaya <bagasdotme@...il.com>,
        Shuah Khan <shuah@...nel.org>, Jonathan Corbet <corbet@....net>
Cc:     usama.anjum@...labora.com, kernel@...labora.com,
        linux-kselftest@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] docs/kselftest: add more guidelines for adding new tests

On 3/18/22 9:50 AM, Bagas Sanjaya wrote:
>> + * Use lib.mk instead of writing Makefile from sratch. Specify flags and
>> +   binaries generation flags on need basis before including lib.mk. ::
>> +
>> +    CFLAGS = $(KHDR_INCLUDES)
>> +    TEST_GEN_PROGS := close_range_test
>> +    include ../lib.mk
>> +
> 
> I think what you mean is "In your Makefile, use facilities from lib.mk by
> including it instead of reinventing the wheel.", right?
Yes, right.

> 
>> + * Add new test name in TARGETS in selftests/Makefile::
>> +
>> +    TARGETS += android
>> +
>> + * All of the following build commands should be successful
>> +
>> +   - Same directory build of kselftests::
>> +
>> +      make kselftest-all
>> +      make kselftest-install
>> +      make kselftest-clean
>> +      make kselftest-gen_tar
>> +
>> +   - Build with absolute output directory path::
>> +
>> +      make kselftest-all O=/abs_build_path
>> +      make kselftest-install O=/abs_build_path
>> +      make kselftest-clean O=/abs_build_path
>> +      make kselftest-gen_tar O=/abs_build_path
>> +
>> +   - Build with relative output directory path::
>> +
>> +      make kselftest-all O=relative_path
>> +      make kselftest-install O=relative_path
>> +      make kselftest-clean O=relative_path
>> +      make kselftest-gen_tar O=relative_path
>> +
>> +   - Build from Makefile of selftests directly::
>> +
>> +      make -C tools/testing/selftests
>> +      make -C tools/testing/selftests O=/abs_build_path
>> +      make -C tools/testing/selftests O=relative_path
>> +
> 
> For simplicity, we can say "All changes should pass
> kselftest-{all,install,clean,gen_tar} builds."
We (me and maintainer) want a list of commands to run before patch
submission. I'll use the {...} short hand method and update.

> You don't need to spell out full command-line in the guideline unless
> absolutely necessary, in general.
> 

-- 
Muhammad Usama Anjum