linux/arch/um/sys-x86_64/bug.c
Jeff Dike 95906b24fb uml: style fixes in arch/um/sys-x86_64
Style fixes in arch/um/sys-x86_64:
	updated copyrights
	CodingStyle fixes
	added severities to printks which needed them

A bunch of functions in sys-*/ptrace_user.c turn out to be unused, so they and
their declarations are gone.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-05 09:44:31 -08:00

21 lines
403 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 relevant 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;
}