Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH RFC LKMM 2/7] doc: Replace smp_cond_acquire() with smp_cond_load_acquire() | Date | Wed, 29 Aug 2018 14:10:48 -0700 |
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From: Andrea Parri <andrea.parri@amarulasolutions.com>
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 <andrea.parri@amarulasolutions.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Will Deacon <will.deacon@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: David Howells <dhowells@redhat.com> Cc: Jade Alglave <j.alglave@ucl.ac.uk> Cc: Luc Maranget <luc.maranget@inria.fr> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Akira Yokosawa <akiyks@gmail.com> Cc: Daniel Lustig <dlustig@nvidia.com> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> --- 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
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