linux-kernel - Re: [PATCH v2] Added missing TARGETS in kselftest top level Makefile

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Date:   Mon, 2 Oct 2023 08:34:16 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Abhinav <singhabhinav9051571833@...il.com>, shuah@...nel.org
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH v2] Added missing TARGETS in kselftest top level Makefile

On 10/2/23 05:46, Abhinav wrote:
> Some tests like dma, ia64, etc. were not present in top level of
> selftest Makefile, so when someone ran 'make run_tests' they would miss
> these tests. This patches adds those left out tests.
> 
> Signed-off-by: Abhinav <singhabhinav9051571833@...il.com>
> ---
> 
> I removed sched, safesetid and filelock from the Makefile, because these
> tests were actually triggered when we run 'make run_tests' even though it
> has not been mentioned explicitly inside top level Makefile of selftest.
> 
>   tools/testing/selftests/Makefile | 7 +++++++
>   1 file changed, 7 insertions(+)
>

There are good reasons to leave out tests from the kselftest default
run.

1. test requires specific hardware or driver or system configuration
    which includes kernel configuration options.
    e.g: media_tests, dma
2. It is a benchmark and/or destructive test that doesn't fit into
    default run category: watchdog, kmod
3. test Makefile doesn't support kselftest framework

Any patch adding a test left out of default run to the default
run has to explain the reasons why it is a good idea to add it
and more importantly showing that this doesn't impact the default
run with report from the test run "make kselftest"

Sorry. I am not going to take this patch.
  
thanks,
-- Shuah