linux/arch/um/sys-x86_64/bug.c

21 lines
400 B
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;
}