diff options
Diffstat (limited to 'arch/x86/include/asm/special_insns.h')
| -rw-r--r-- | arch/x86/include/asm/special_insns.h | 38 |
1 files changed, 5 insertions, 33 deletions
diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h index 0a3c4cab39db..6d37b8fcfc77 100644 --- a/arch/x86/include/asm/special_insns.h +++ b/arch/x86/include/asm/special_insns.h @@ -6,6 +6,8 @@ #ifdef __KERNEL__ #include <asm/nops.h> +#include <asm/processor-flags.h> +#include <linux/jump_label.h> /* * Volatile isn't enough to prevent the compiler from reordering the @@ -16,6 +18,8 @@ */ extern unsigned long __force_order; +void native_write_cr0(unsigned long val); + static inline unsigned long native_read_cr0(void) { unsigned long val; @@ -23,11 +27,6 @@ static inline unsigned long native_read_cr0(void) return val; } -static inline void native_write_cr0(unsigned long val) -{ - asm volatile("mov %0,%%cr0": : "r" (val), "m" (__force_order)); -} - static inline unsigned long native_read_cr2(void) { unsigned long val; @@ -72,24 +71,7 @@ static inline unsigned long native_read_cr4(void) return val; } -static inline void native_write_cr4(unsigned long val) -{ - asm volatile("mov %0,%%cr4": : "r" (val), "m" (__force_order)); -} - -#ifdef CONFIG_X86_64 -static inline unsigned long native_read_cr8(void) -{ - unsigned long cr8; - asm volatile("movq %%cr8,%0" : "=r" (cr8)); - return cr8; -} - -static inline void native_write_cr8(unsigned long val) -{ - asm volatile("movq %0,%%cr8" :: "r" (val) : "memory"); -} -#endif +void native_write_cr4(unsigned long val); #ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS static inline u32 rdpkru(void) @@ -204,16 +186,6 @@ static inline void wbinvd(void) #ifdef CONFIG_X86_64 -static inline unsigned long read_cr8(void) -{ - return native_read_cr8(); -} - -static inline void write_cr8(unsigned long x) -{ - native_write_cr8(x); -} - static inline void load_gs_index(unsigned selector) { native_load_gs_index(selector); |