From: Andrea Parri <[email protected]> Amend commit 1f03e8d2919270 ("locking/barriers: Replace smp_cond_acquire() with smp_cond_load_acquire()") by updating the documentation accordingly. Also remove some obsolete information related to the implementation.
Signed-off-by: Andrea Parri <[email protected]> Cc: Alan Stern <[email protected]> Cc: Will Deacon <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Boqun Feng <[email protected]> Cc: Nicholas Piggin <[email protected]> Cc: David Howells <[email protected]> Cc: Jade Alglave <[email protected]> Cc: Luc Maranget <[email protected]> Cc: "Paul E. McKenney" <[email protected]> Cc: Akira Yokosawa <[email protected]> Cc: Daniel Lustig <[email protected]> Cc: Jonathan Corbet <[email protected]> Signed-off-by: Paul E. McKenney <[email protected]> --- Documentation/memory-barriers.txt | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index 0d8d7ef131e9..c1d913944ad8 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -471,8 +471,7 @@ And a couple of implicit varieties: operations after the ACQUIRE operation will appear to happen after the ACQUIRE operation with respect to the other components of the system. ACQUIRE operations include LOCK operations and both smp_load_acquire() - and smp_cond_acquire() operations. The later builds the necessary ACQUIRE - semantics from relying on a control dependency and smp_rmb(). + and smp_cond_load_acquire() operations. Memory operations that occur before an ACQUIRE operation may appear to happen after it completes. -- 2.17.1
