Messages in this thread | | | Date | Tue, 24 Jan 2023 16:52:57 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] Fix data race in mark_rt_mutex_waiters |
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On Tue, Jan 24, 2023 at 10:42:24AM -0500, Waiman Long wrote:
> I would suggest to do it as suggested by PeterZ. Instead of set_bit(), > however, it is probably better to use atomic_long_or() like > > atomic_long_or_relaxed(RT_MUTEX_HAS_WAITERS, (atomic_long_t *)&lock->owner)
That function doesn't exist, atomic_long_or() is implicitly relaxed for not returning a value.
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