diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/i387.h | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h index 8002e9ce25f..c991b3a7b90 100644 --- a/arch/x86/include/asm/i387.h +++ b/arch/x86/include/asm/i387.h @@ -18,6 +18,7 @@ #include <linux/hardirq.h> #include <linux/slab.h> #include <asm/asm.h> +#include <asm/cpufeature.h> #include <asm/processor.h> #include <asm/sigcontext.h> #include <asm/user.h> @@ -57,16 +58,9 @@ extern int restore_i387_xstate_ia32(void __user *buf); #define X87_FSW_ES (1 << 7) /* Exception Summary */ -static inline bool use_xsave(void) +static __always_inline __pure bool use_xsave(void) { - u8 has_xsave; - - alternative_io("mov $0, %0", - "mov $1, %0", - X86_FEATURE_XSAVE, - "=qm" (has_xsave)); - - return has_xsave; + return static_cpu_has(X86_FEATURE_XSAVE); } #ifdef CONFIG_X86_64 |