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include/linux: Remove smp_read_barrier_depends() from comments

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smp_read_barrier_depends() doesn't exist any more, so reword the two
comments that mention it to refer to "dependency ordering" instead.

Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Will Deacon
2019-11-07 14:46:59 +00:00
parent 628fd55671
commit c6cd2e0116
2 changed files with 2 additions and 2 deletions
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2
include/linux/ptr_ring.h
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@@ -107,7 +107,7 @@ static inline int __ptr_ring_produce(struct ptr_ring *r, void *ptr)
return -ENOSPC;
/* Make sure the pointer we are storing points to a valid data. */
/* Pairs with smp_read_barrier_depends in __ptr_ring_consume. */
/* Pairs with the dependency ordering in __ptr_ring_consume. */
smp_wmb();
WRITE_ONCE(r->queue[r->producer++], ptr);