Re: [PATCH 0/4] selftests, sysctl, lib: Fix prime_numbers and sysctl test to run

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On 5/29/20 8:39 AM, Masami Hiramatsu wrote:
On Fri, 29 May 2020 08:14:39 -0600
Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxx>


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



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