Re: [PATCH] Fix data race in mark_rt_mutex_waiters

[Peter Zijlstra]

On Thu, Jan 26, 2023 at 01:20:07PM +0100, Peter Zijlstra wrote:
> Well, set_bit() implies smp_mb(), atomic_long_or() does not and would
> need to retain the barrier.

set_bit() does not, must've had a brain-fart or so.