diff --git a/[refs] b/[refs]
index cb3a9d867690..8a2badb83baa 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 644ddf588f5dba34df483a6ea8abe639cc102289
+refs/heads/master: 8dbf4a30033ff61091015f0076e872b5c8f717cc
diff --git a/trunk/arch/x86/kernel/cpu/mtrr/generic.c b/trunk/arch/x86/kernel/cpu/mtrr/generic.c
index e1fe7f42e0fb..97b26356e9ee 100644
--- a/trunk/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/trunk/arch/x86/kernel/cpu/mtrr/generic.c
@@ -694,6 +694,7 @@ static void prepare_set(void) __acquires(set_atomicity_lock)
 
 	/* Disable MTRRs, and set the default type to uncached */
 	mtrr_wrmsr(MSR_MTRRdefType, deftype_lo & ~0xcff, deftype_hi);
+	wbinvd();
 }
 
 static void post_set(void) __releases(set_atomicity_lock)