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Commit 6016ffc3 authored by Paul E. McKenney's avatar Paul E. McKenney
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atomics: Add header comment so spin_unlock_wait()



There is material describing the ordering guarantees provided by
spin_unlock_wait(), but it is not necessarily easy to find.  This commit
therefore adds a docbook header comment to this function informally
describing its semantics.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: default avatarPeter Zijlstra <peterz@infradead.org>
parent 79269ee3
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