Merge branch 'sh/for-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal...
[linux-2.6] / arch / um / sys-i386 / bug.c
1 /*
2  * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
3  * Licensed under the GPL V2
4  */
5
6 #include <linux/uaccess.h>
7 #include <asm/errno.h>
8
9 /* Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because
10  * that's not relevant in skas mode.
11  */
12
13 int 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 }