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x86, cacheinfo: Cleanup L3 cache index disable support
[karo-tx-linux.git] / arch / x86 / include / asm / system_64.h
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
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
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 */