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-rw-r--r--arch/hexagon/include/asm/uaccess.h38
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diff --git a/arch/hexagon/include/asm/uaccess.h b/arch/hexagon/include/asm/uaccess.h
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+++ b/arch/hexagon/include/asm/uaccess.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * User memory access support for Hexagon
+ *
+ * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _ASM_UACCESS_H
+#define _ASM_UACCESS_H
+/*
+ * User space memory access functions
+ */
+#include <asm/sections.h>
+
+/*
+ * When a kernel-mode page fault is taken, the faulting instruction
+ * address is checked against a table of exception_table_entries.
+ * Each entry is a tuple of the address of an instruction that may
+ * be authorized to fault, and the address at which execution should
+ * be resumed instead of the faulting instruction, so as to effect
+ * a workaround.
+ */
+
+/* Assembly somewhat optimized copy routines */
+unsigned long raw_copy_from_user(void *to, const void __user *from,
+ unsigned long n);
+unsigned long raw_copy_to_user(void __user *to, const void *from,
+ unsigned long n);
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
+
+__kernel_size_t __clear_user_hexagon(void __user *dest, unsigned long count);
+#define __clear_user(a, s) __clear_user_hexagon((a), (s))
+
+#include <asm-generic/uaccess.h>
+
+
+#endif