#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