[src/trunk]: src/sys/arch/arm/cortex Add missing insn barrier

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

details:   https://anonhg.NetBSD.org/src/rev/6e8354992310
branches:  trunk
changeset: 1023819:6e8354992310
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Sep 26 20:55:15 2021 +0000

description:
Add missing insn barrier

diffstat:

 sys/arch/arm/cortex/gic_splfuncs.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (26 lines):

diff -r c2a980e3a5e3 -r 6e8354992310 sys/arch/arm/cortex/gic_splfuncs.c
--- a/sys/arch/arm/cortex/gic_splfuncs.c        Sun Sep 26 20:48:10 2021 +0000
+++ b/sys/arch/arm/cortex/gic_splfuncs.c        Sun Sep 26 20:55:15 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: gic_splfuncs.c,v 1.3 2021/09/20 21:05:14 jmcneill Exp $ */
+/* $NetBSD: gic_splfuncs.c,v 1.4 2021/09/26 20:55:15 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2021 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: gic_splfuncs.c,v 1.3 2021/09/20 21:05:14 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: gic_splfuncs.c,v 1.4 2021/09/26 20:55:15 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -93,6 +93,7 @@
         */
        if (__predict_true(ci->ci_intr_depth == 0)) {
                ci->ci_splx_savedipl = newipl;
+               __insn_barrier();
                ci->ci_splx_restart = &&restart;
                __insn_barrier();
 checkhwpl: