1 files changed, 1 insertions, 10 deletions

diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index fb16f17e59be..5812404a0d4c 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -13,6 +13,7 @@
 
 #include <acpi/processor.h>
 #include <asm/acpi.h>
+#include <asm/mwait.h>
 
 /*
  * Initialize bm_flags based on the CPU cache properties
@@ -65,16 +66,6 @@ static struct cstate_entry __percpu *cpu_cstate_entry;	/* per CPU ptr */
 
 static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
 
-#define MWAIT_SUBSTATE_MASK     (0xf)
-#define MWAIT_CSTATE_MASK       (0xf)
-#define MWAIT_SUBSTATE_SIZE     (4)
-
-#define CPUID_MWAIT_LEAF (5)
-#define CPUID5_ECX_EXTENSIONS_SUPPORTED (0x1)
-#define CPUID5_ECX_INTERRUPT_BREAK      (0x2)
-
-#define MWAIT_ECX_INTERRUPT_BREAK       (0x1)
-
 #define NATIVE_CSTATE_BEYOND_HALT       (2)
 
 static long acpi_processor_ffh_cstate_probe_cpu(void *_cx)