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-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 8002e9ce25fc..c991b3a7b904 100644
--- a/arch/x86/include/asm/i387.h
+++ b/arch/x86/include/asm/i387.h
@@ -18,6 +18,7 @@
18#include <linux/hardirq.h> 18#include <linux/hardirq.h>
19#include <linux/slab.h> 19#include <linux/slab.h>
20#include <asm/asm.h> 20#include <asm/asm.h>
21#include <asm/cpufeature.h>
21#include <asm/processor.h> 22#include <asm/processor.h>
22#include <asm/sigcontext.h> 23#include <asm/sigcontext.h>
23#include <asm/user.h> 24#include <asm/user.h>
@@ -57,16 +58,9 @@ extern int restore_i387_xstate_ia32(void __user *buf);
57 58
58#define X87_FSW_ES (1 << 7) /* Exception Summary */ 59#define X87_FSW_ES (1 << 7) /* Exception Summary */
59 60
60static inline bool use_xsave(void) 61static __always_inline __pure bool use_xsave(void)
61{ 62{
62 u8 has_xsave; 63 return static_cpu_has(X86_FEATURE_XSAVE);
63
64 alternative_io("mov $0, %0",
65 "mov $1, %0",
66 X86_FEATURE_XSAVE,
67 "=qm" (has_xsave));
68
69 return has_xsave;
70} 64}
71 65
72#ifdef CONFIG_X86_64 66#ifdef CONFIG_X86_64