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1 #ifndef _ASM_X86_SYSTEM_64_H
2 #define _ASM_X86_SYSTEM_64_H
3 
4 #include <asm/segment.h>
5 #include <asm/cmpxchg.h>
6 
7 
read_cr8(void)8 static inline unsigned long read_cr8(void)
9 {
10 	unsigned long cr8;
11 	asm volatile("movq %%cr8,%0" : "=r" (cr8));
12 	return cr8;
13 }
14 
write_cr8(unsigned long val)15 static inline void write_cr8(unsigned long val)
16 {
17 	asm volatile("movq %0,%%cr8" :: "r" (val) : "memory");
18 }
19 
20 #include <linux/irqflags.h>
21 
22 #endif /* _ASM_X86_SYSTEM_64_H */
23