linux-kernel - Re: [PATCH 0/4] selftests, sysctl, lib: Fix prime

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Date:   Tue, 2 Jun 2020 10:32:31 -0600
From:   Shuah Khan <skhan@...uxfoundation.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     "Luis R . Rodriguez" <mcgrof@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shuah Khan <shuah@...nel.org>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Masami Hiramatsu <masami.hiramatsu@...aro.org>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 0/4] selftests, sysctl, lib: Fix prime_numbers and sysctl
 test to run

On 5/29/20 8:39 AM, Masami Hiramatsu wrote:
> On Fri, 29 May 2020 08:14:39 -0600
> Shuah Khan <skhan@...uxfoundation.org> wrote:
> 
>> On 5/28/20 8:51 AM, Masami Hiramatsu wrote:
>>> Hi,
>>>
>>> Recently, I found some tests were always skipped.
>>> Here is a series of patches to fix those issues.
>>>
>>> The prime_numbers test is skipped in some cases because
>>> prime_numbers.ko is not always compiled.
>>> Since the CONFIG_PRIME_NUMBERS is not independently
>>> configurable item (it has no title and help), it is enabled
>>> only if other configs (DRM_DEBUG_SELFTEST etc.) select it.
>>>
>>> To fix this issue, I added a title and help for
>>> CONFIG_PRIME_NUMBERS.
>>>
>>> The sysctl test is skipped because
>>>    - selftests/sysctl/config requires CONFIG_TEST_SYSCTL=y. But
>>>      since lib/test_sysctl.c doesn't use module_init(), the
>>>      test_syscall is not listed under /sys/module/ and the
>>>      test script gives up.
>>>    - Even if we make CONFIG_TEST_SYSCTL=m, the test script checks
>>>      /sys/modules/test_sysctl before loading module and gives up.
>>>    - Ayway, since the test module introduces useless sysctl
>>>      interface to the kernel, it would better be a module.
>>>
>>> This series includes fixes for above 3 points.
>>>    - Fix lib/test_sysctl.c to use module_init()
>>>    - Fix tools/testing/selftests/sysctl/sysctl.sh to try to load
>>>      test module if it is not loaded (nor embedded).
>>>    - Fix tools/testing/selftests/sysctl/config to require
>>>      CONFIG_TEST_SYSCTL=m, not y.
>>>
>>> Thank you,
>>>
>>> ---
>>>
>>> Masami Hiramatsu (4):
>>>         lib: Make prime number generator independently selectable
>>>         lib: Make test_sysctl initialized as module
>>>         selftests/sysctl: Fix to load test_sysctl module
>>>         selftests/sysctl: Make sysctl test driver as a module
>>>
>>>
>>>    lib/math/Kconfig                         |    7 ++++++-
>>>    lib/test_sysctl.c                        |    2 +-
>>>    tools/testing/selftests/sysctl/config    |    2 +-
>>>    tools/testing/selftests/sysctl/sysctl.sh |   13 ++-----------
>>>    4 files changed, 10 insertions(+), 14 deletions(-)
>>>
>>> --
>>> Masami Hiramatsu (Linaro) <mhiramat@...nel.org>
>>>
>>
>> Thanks Masami. I see Kees reviewing patches. I will wait for Luis to
>> weigh in on patch 2 before pulling this series in.
> 
> OK, Thanks Shuah!
> 
> 

Applied to linux-kselftest next for Linux 5.8-rc1.

thanks,
-- Shuah