From b60c02049f373d01f011ee66fe0841cda9e0cf88 Mon Sep 17 00:00:00 2001
From: He Sheng <hesheng@wxiat.com>
Date: Thu, 13 Oct 2022 11:01:10 +0800
Subject: [PATCH] sw64: fix compile error for CONFIG_RRU=y

Sunway inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I56QAM

--------------------------------

Signed-off-by: He Sheng <hesheng@wxiat.com>
Reviewed-by: Cui Wei <cuiwei@wxiat.com>
Signed-off-by: Gu Zitao <guzitao@wxiat.com>
---
 arch/sw_64/kernel/dup_print.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/sw_64/kernel/dup_print.c b/arch/sw_64/kernel/dup_print.c
index 02639f40a4bc..3a32c444207d 100644
--- a/arch/sw_64/kernel/dup_print.c
+++ b/arch/sw_64/kernel/dup_print.c
@@ -52,6 +52,8 @@ int sw64_printk(const char *fmt, va_list args)
 #endif
 
 #ifdef CONFIG_SW64_RRU
+#include<linux/uaccess.h>
+
 static DEFINE_SPINLOCK(printf_lock);
 #define USER_PRINT_BUFF_BASE            (0x600000UL + __START_KERNEL_map)
 #define USER_PRINT_BUFF_LEN             0x100000UL
-- 
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