diff -Naur kvm-kmod-2.6.38.6.org/x86/external-module-compat.h kvm-kmod-2.6.38.6/x86/external-module-compat.h
--- kvm-kmod-2.6.38.6.org/x86/external-module-compat.h	2011-05-15 09:34:48.000000000 +0200
+++ kvm-kmod-2.6.38.6/x86/external-module-compat.h	2011-05-21 13:30:50.529469540 +0200
@@ -1064,41 +1064,6 @@
 
 #endif /* >= 2.6.36 */
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,37)
-static inline u64 pvclock_scale_delta(u64 delta, u32 mul_frac, int shift)
-{
-	u64 product;
-#ifdef __i386__
-	u32 tmp1, tmp2;
-#endif
-
-	if (shift < 0)
-		delta >>= -shift;
-	else
-		delta <<= shift;
-
-#ifdef __i386__
-	__asm__ (
-		"mul  %5       ; "
-		"mov  %4,%%eax ; "
-		"mov  %%edx,%4 ; "
-		"mul  %5       ; "
-		"xor  %5,%5    ; "
-		"add  %4,%%eax ; "
-		"adc  %5,%%edx ; "
-		: "=A" (product), "=r" (tmp1), "=r" (tmp2)
-		: "a" ((u32)delta), "1" ((u32)(delta >> 32)), "2" (mul_frac) );
-#elif defined(__x86_64__)
-	__asm__ (
-		"mul %%rdx ; shrd $32,%%rdx,%%rax"
-		: "=a" (product) : "0" (delta), "d" ((u64)mul_frac) );
-#else
-#error implement me!
-#endif
-
-	return product;
-}
-#endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34) && \
     LINUX_VERSION_CODE != KERNEL_VERSION(2,6,32) && defined(CONFIG_X86_64)