#ifndef ASM_X86__SYSTEM_64_H | |
#define ASM_X86__SYSTEM_64_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 /* ASM_X86__SYSTEM_64_H */ |