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Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/i387.h12
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