linux 4.9.24 rol/ror patch

--- include/linux/bitops.h.orig	2017-04-22 10:20:37.284090151 -0500
+++ include/linux/bitops.h	2017-04-22 10:20:43.468090276 -0500
@@ -77,7 +77,12 @@ static __always_inline unsigned long __i
  */
 static inline __u64 rol64(__u64 word, unsigned int shift)
 {
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86)
+    __asm__ __volatile__ ("rolq %%cl, %%rax;" : "=a" (word) : "a" (word), "c" (shift) : );
+    return word;
+#else
 	return (word << shift) | (word >> (64 - shift));
+#endif /* defined(CONFIG_X86_64) || defined(CONFIG_X86) */
 }

 /**
@@ -87,7 +92,12 @@ static inline __u64 rol64(__u64 word, un
  */
 static inline __u64 ror64(__u64 word, unsigned int shift)
 {
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86)
+    __asm__ __volatile__ ("rorq %%cl, %%rax;" : "=a" (word) : "a" (word), "c" (shift) : );
+    return word;
+#else
 	return (word >> shift) | (word << (64 - shift));
+#endif /* defined(CONFIG_X86_64) || defined(CONFIG_X86) */
 }

 /**
@@ -97,7 +107,12 @@ static inline __u64 ror64(__u64 word, un
  */
 static inline __u32 __intentional_overflow(-1) rol32(__u32 word, unsigned int shift)
 {
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86)
+    __asm__ __volatile__ ("rol %%cl, %%eax;" : "=a" (word) : "a" (word), "c" (shift) : );
+    return word;
+#else
 	return (word << shift) | (word >> ((-shift) & 31));
+#endif /* defined(CONFIG_X86_64) || defined(CONFIG_X86) */
 }

 /**
@@ -107,7 +122,12 @@ static inline __u32 __intentional_overfl
  */
 static inline __u32 __intentional_overflow(-1) ror32(__u32 word, unsigned int shift)
 {
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86)
+    __asm__ __volatile__ ("ror %%cl, %%eax;" : "=a" (word) : "a" (word), "c" (shift) : );
+    return word;
+#else
 	return (word >> shift) | (word << (32 - shift));
+#endif /* defined(CONFIG_X86_64) || defined(CONFIG_X86) */
 }

 /**