include/asm-x86/system_64.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

#ifndef __ASM_SYSTEM_H
#define __ASM_SYSTEM_H

#include <asm/segment.h>
#include <asm/cmpxchg.h>


static inline unsigned long read_cr8(void)
{
	unsigned long cr8;
	asm volatile("movq %%cr8,%0" : "=r" (cr8));
	return cr8;
}

static inline void write_cr8(unsigned long val)
{
	asm volatile("movq %0,%%cr8" :: "r" (val) : "memory");
}

#include <linux/irqflags.h>

#endif