[src/trunk]: src/sys/arch/mips/include mips: Convert lock.h to membar_release...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/859ccdcbbe1d
branches:  trunk
changeset: 365157:859ccdcbbe1d
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat Apr 09 23:43:20 2022 +0000

description:
mips: Convert lock.h to membar_release/acquire.

diffstat:

 sys/arch/mips/include/lock.h |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (37 lines):

diff -r 316f130685e7 -r 859ccdcbbe1d sys/arch/mips/include/lock.h
--- a/sys/arch/mips/include/lock.h      Sat Apr 09 23:43:12 2022 +0000
+++ b/sys/arch/mips/include/lock.h      Sat Apr 09 23:43:20 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: lock.h,v 1.22 2022/02/12 17:10:02 riastradh Exp $      */
+/*     $NetBSD: lock.h,v 1.23 2022/04/09 23:43:20 riastradh Exp $      */
 
 /*-
  * Copyright (c) 2001, 2007 The NetBSD Foundation, Inc.
@@ -114,7 +114,7 @@
         * Successful _atomic_cas_uint functions as a load-acquire --
         * on MP systems, it issues sync after the LL/SC CAS succeeds;
         * on non-MP systems every load is a load-acquire so it's moot.
-        * This pairs with the membar_exit and store sequence in
+        * This pairs with the membar_release and store sequence in
         * __cpu_simple_unlock that functions as a store-release
         * operation.
         *
@@ -153,14 +153,14 @@
 {
 
        /*
-        * The membar_exit and then store functions as a store-release
-        * operation that pairs with the load-acquire operation in
-        * successful __cpu_simple_lock_try.
+        * The membar_release and then store functions as a
+        * store-release operation that pairs with the load-acquire
+        * operation in successful __cpu_simple_lock_try.
         *
         * Can't use atomic_store_release here because that's not
         * available in userland at the moment.
         */
-       membar_exit();
+       membar_release();
        *lp = __SIMPLELOCK_UNLOCKED;
 
 #ifdef _MIPS_ARCH_OCTEONP