swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: de46c33745f5e2ad594c72f2cf5f490861b16ce1 authored by Linus Torvalds on 26 April 2007, 03:08:32 UTC
Linux 2.6.21
Tip revision: de46c33
bug.c
/*
 * Copyright (C) 2006 Jeff Dike (jdike@addtoit.com)
 * Licensed under the GPL V2
 */

#include <linux/uaccess.h>

/* Mostly copied from i386/x86_86 - eliminated the eip < PAGE_OFFSET because
 * that's not relevent in skas mode.
 */

int is_valid_bugaddr(unsigned long eip)
{
	unsigned short ud2;

	if (probe_kernel_address((unsigned short __user *)eip, ud2))
		return 0;

	return ud2 == 0x0b0f;
}
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