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-rw-r--r--arch/um/sys-i386/bug.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/um/sys-i386/bug.c b/arch/um/sys-i386/bug.c
new file mode 100644
index 000000000000..200c8ba2879b
--- /dev/null
+++ b/arch/um/sys-i386/bug.c
@@ -0,0 +1,20 @@
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/* Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because
9 * that's not relevent in skas mode.
10 */
11
12int is_valid_bugaddr(unsigned long eip)
13{
14 unsigned short ud2;
15
16 if (probe_kernel_address((unsigned short __user *)eip, ud2))
17 return 0;
18
19 return ud2 == 0x0b0f;
20}