[src/trunk]: src/sys/kern ucas(9): Convert membar_exit to membar_release.

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

details:   https://anonhg.NetBSD.org/src/rev/62b18bafb23a
branches:  trunk
changeset: 365171:62b18bafb23a
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sat Apr 09 23:51:09 2022 +0000

description:
ucas(9): Convert membar_exit to membar_release.

diffstat:

 sys/kern/subr_copy.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r 7eb29030c506 -r 62b18bafb23a sys/kern/subr_copy.c
--- a/sys/kern/subr_copy.c      Sat Apr 09 23:46:19 2022 +0000
+++ b/sys/kern/subr_copy.c      Sat Apr 09 23:51:09 2022 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_copy.c,v 1.15 2022/02/11 17:53:28 riastradh Exp $ */
+/*     $NetBSD: subr_copy.c,v 1.16 2022/04/09 23:51:09 riastradh Exp $ */
 
 /*-
  * Copyright (c) 1997, 1998, 1999, 2002, 2007, 2008, 2019
@@ -80,7 +80,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_copy.c,v 1.15 2022/02/11 17:53:28 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_copy.c,v 1.16 2022/04/09 23:51:09 riastradh Exp $");
 
 #define        __UFETCHSTORE_PRIVATE
 #define        __UCAS_PRIVATE
@@ -412,7 +412,7 @@
         * the following atomic_dec_uint into a store-release.
         */
 #ifndef __HAVE_ATOMIC_AS_MEMBAR
-       membar_exit();
+       membar_release();
 #endif
        atomic_dec_uint(&ucas_critical_pausing_cpus);
 
@@ -449,7 +449,7 @@
         * happen before the ucas -- no buffered stores in other CPUs
         * can clobber it later on, for instance.
         *
-        * Matches membar_exit/atomic_dec_uint (store-release) in
+        * Matches membar_release/atomic_dec_uint (store-release) in
         * ucas_critical_cpu_gate.
         */
        while (atomic_load_acquire(&ucas_critical_pausing_cpus) > 0) {