[PATCH 0/2] selftests/membarrier: Skip an unregistered memory barrier test on Musl

Chris Gellermann <[email protected]> Mon, 3 Aug 2026 14:48:58 +0200
Newsgroups org.kernel.vger.linux-kselftest,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
The membarrier test "membarrier MEMBARRIER_CMD_PRIVATE_EXPEDITED not
registered failure" fails in the multithreaded test scenario when using
Musl libc as the command gets preregistered implicitly during thread
creation. Skip the test if command registration is detected.

Chris Gellermann (2):
  selftests/membarrier: Introduce helper to get membarrier command
    registrations
  selftests/membarrier: Skip unpermitted membarrier command test if
    preregistered by libc

 .../selftests/membarrier/membarrier_test_impl.h | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

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