1/*
 2 * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
 3 * Licensed under the GPL V2
 4 */
 5
 6#include <linux/uaccess.h>
 7
 8/*
 9 * Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because
10 * that's not relevant in skas mode.
11 */
12
13int is_valid_bugaddr(unsigned long eip)
14{
15	unsigned short ud2;
16
17	if (probe_kernel_address((unsigned short __user *)eip, ud2))
18		return 0;
19
20	return ud2 == 0x0b0f;
21}