x86: Require MOVBE feature in cpuid when we use it

[karo-tx-linux.git] / arch / x86 / include / asm / required-features.h

diff --git a/arch/x86/include/asm/required-features.h b/arch/x86/include/asm/required-features.h
index 6c7fc25f2c34a0eab822c2d6ab17c3b1cacbf0a0..5c6e4fb370f5aac25ee36002022ed72a59592f5e 100644 (file)
--- a/arch/x86/include/asm/required-features.h
+++ b/arch/x86/include/asm/required-features.h
@@ -47,6 +47,12 @@
 # define NEED_NOPL     0
 #endif
 
+#ifdef CONFIG_MATOM
+# define NEED_MOVBE    (1<<(X86_FEATURE_MOVBE & 31))
+#else
+# define NEED_MOVBE    0
+#endif
+
 #ifdef CONFIG_X86_64
 #ifdef CONFIG_PARAVIRT
 /* Paravirtualized systems may not have PSE or PGE available */
@@ -80,7 +86,7 @@
 
 #define REQUIRED_MASK2 0
 #define REQUIRED_MASK3 (NEED_NOPL)
-#define REQUIRED_MASK4 0
+#define REQUIRED_MASK4 (NEED_MOVBE)
 #define REQUIRED_MASK5 0
 #define REQUIRED_MASK6 0
 #define REQUIRED_MASK7 0