Merge branch 'for-2.6.25' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerp...
[sfrench/cifs-2.6.git] / arch / um / sys-x86_64 / 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
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 }