selftests/futex: Migrate futex_wait_uninitialized_heap to harness

Migrate futex_wait_uninitialized_heap test to the kselftest harness
framework, removing mixed legacy ksft_* API usages and ensuring proper
thread joining.

[ tglx: Fixup coding style ]

Signed-off-by: Wake Liu <wakel@google.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Link: https://patch.msgid.link/20260525092002.3762888-4-wakel@google.com
This commit is contained in:
Wake Liu 2026-05-25 09:20:02 +00:00 • committed by Thomas Gleixner
commit 78834d8b9c