selftests/futex: Migrate futex_requeue_pi_signal_restart to harness

Migrate futex_requeue_pi_signal_restart 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/20260601065126.3623867-5-wakel@google.com
This commit is contained in:
Wake Liu 2026-06-01 06:51:23 +00:00 • committed by Thomas Gleixner
commit 7fe733f112