From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus

---
 kernel/arch/nds32/include/asm/io.h |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/kernel/arch/nds32/include/asm/io.h b/kernel/arch/nds32/include/asm/io.h
index 71cd226..e57378d 100644
--- a/kernel/arch/nds32/include/asm/io.h
+++ b/kernel/arch/nds32/include/asm/io.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
 // Copyright (C) 2005-2017 Andes Technology Corporation
 
 #ifndef __ASM_NDS32_IO_H
@@ -6,7 +6,6 @@
 
 #include <linux/types.h>
 
-extern void iounmap(volatile void __iomem *addr);
 #define __raw_writeb __raw_writeb
 static inline void __raw_writeb(u8 val, volatile void __iomem *addr)
 {
@@ -55,8 +54,6 @@
 #define __iormb()               rmb()
 #define __iowmb()               wmb()
 
-#define mmiowb()        __asm__ __volatile__ ("msync all" : : : "memory");
-
 /*
  * {read,write}{b,w,l,q}_relaxed() are like the regular version, but
  * are not guaranteed to provide ordering against spinlocks or memory
@@ -81,5 +78,7 @@
 #define writeb(v,c)	({ __iowmb(); writeb_relaxed((v),(c)); })
 #define writew(v,c)	({ __iowmb(); writew_relaxed((v),(c)); })
 #define writel(v,c)	({ __iowmb(); writel_relaxed((v),(c)); })
+
 #include <asm-generic/io.h>
+
 #endif /* __ASM_NDS32_IO_H */

--
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