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authorskrll <skrll@NetBSD.org>2020-11-27 07:11:49 +0000
committerskrll <skrll@NetBSD.org>2020-11-27 07:11:49 +0000
commitdb8b79cc63d3031e793d656bb359fad03d031db4 (patch)
treea42aa9e57c826befed8830189e06649f2b7ceff5
parent4613853ffe7c493de6e509791a32aa02faa8102f (diff)
cpu_hatched_p does necessary memory barrier so remove membar_consumer
calls from before cpu_hatched_p calls.
-rw-r--r--sys/arch/arm/altera/cycv_platform.c5
-rw-r--r--sys/arch/arm/samsung/exynos_platform.c5
2 files changed, 4 insertions, 6 deletions
diff --git a/sys/arch/arm/altera/cycv_platform.c b/sys/arch/arm/altera/cycv_platform.c
index c76b848eb27..64545bd19bb 100644
--- a/sys/arch/arm/altera/cycv_platform.c
+++ b/sys/arch/arm/altera/cycv_platform.c
@@ -1,4 +1,4 @@
-/* $NetBSD: cycv_platform.c,v 1.14 2020/09/28 11:54:22 jmcneill Exp $ */
+/* $NetBSD: cycv_platform.c,v 1.15 2020/11/27 07:11:49 skrll Exp $ */
/* This file is in the public domain. */
@@ -7,7 +7,7 @@
#include "opt_multiprocessor.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cycv_platform.c,v 1.14 2020/09/28 11:54:22 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cycv_platform.c,v 1.15 2020/11/27 07:11:49 skrll Exp $");
#define _ARM32_BUS_DMA_PRIVATE
#include <sys/param.h>
@@ -116,7 +116,6 @@ cycv_mpstart(void)
/* Wait for secondary processor to start */
int i;
for (i = 0x10000000; i > 0; i--) {
- membar_consumer();
if (cpu_hatched_p(1))
break;
}
diff --git a/sys/arch/arm/samsung/exynos_platform.c b/sys/arch/arm/samsung/exynos_platform.c
index d06c8037405..8db66c8a3ad 100644
--- a/sys/arch/arm/samsung/exynos_platform.c
+++ b/sys/arch/arm/samsung/exynos_platform.c
@@ -1,4 +1,4 @@
-/* $NetBSD: exynos_platform.c,v 1.31 2020/10/30 18:54:36 skrll Exp $ */
+/* $NetBSD: exynos_platform.c,v 1.32 2020/11/27 07:11:49 skrll Exp $ */
/*-
* Copyright (c) 2017 Jared D. McNeill <jmcneill@invisible.ca>
@@ -35,7 +35,7 @@
#include "ukbd.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: exynos_platform.c,v 1.31 2020/10/30 18:54:36 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: exynos_platform.c,v 1.32 2020/11/27 07:11:49 skrll Exp $");
/*
@@ -179,7 +179,6 @@ exynos5800_mpstart(void)
/* Wait for AP to start */
for (n = 0x100000; n > 0; n--) {
- membar_consumer();
if (cpu_hatched_p(cpuindex))
break;
}