Re: [PATCH] selftests/futex: Order calls to futex_lock_pi

[Shuah Khan]

On 8/14/23 02:09, Nysal Jan K.A wrote:
> Observed occassional failures in the futex_wait_timeout test:
>
> ok 1 futex_wait relative succeeds
> ok 2 futex_wait_bitset realtime succeeds
> ok 3 futex_wait_bitset monotonic succeeds
> ok 4 futex_wait_requeue_pi realtime succeeds
> ok 5 futex_wait_requeue_pi monotonic succeeds
> not ok 6 futex_lock_pi realtime returned 0
> ......
>
> The test expects the child thread to complete some steps before
> the parent thread gets to run. There is an implicit expectation
> of the order of invocation of futex_lock_pi between the child thread
> and the parent thread. Make this order explicit. If the order is
> not met, the futex_lock_pi call in the parent thread succeeds and
> will not timeout.
>
> Fixes: f4addd54b161 ("selftests: futex: Expand timeout test")
> Signed-off-by: Nysal Jan K.A <nysal@xxxxxxxxxxxxx>
> ---

Thank you. Applied to linux-kselftest next for Linux 6.6-rc1.

thanks,
-- Shuah