From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/arch/parisc/include/asm/barrier.h | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/kernel/arch/parisc/include/asm/barrier.h b/kernel/arch/parisc/include/asm/barrier.h
index 640d46e..c705dec 100644
--- a/kernel/arch/parisc/include/asm/barrier.h
+++ b/kernel/arch/parisc/include/asm/barrier.h
@@ -2,11 +2,15 @@
#ifndef __ASM_BARRIER_H
#define __ASM_BARRIER_H
+#include <asm/alternative.h>
+
#ifndef __ASSEMBLY__
/* The synchronize caches instruction executes as a nop on systems in
which all memory references are performed in order. */
-#define synchronize_caches() __asm__ __volatile__ ("sync" : : : "memory")
+#define synchronize_caches() asm volatile("sync" \
+ ALTERNATIVE(ALT_COND_NO_SMP, INSN_NOP) \
+ : : : "memory")
#if defined(CONFIG_SMP)
#define mb() do { synchronize_caches(); } while (0)
--
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