diff -urp a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
--- a/arch/i386/kernel/cpu/amd.c	2011-04-15 12:57:46.000000000 +0900
+++ b/arch/i386/kernel/cpu/amd.c	2011-04-15 12:55:13.000000000 +0900
@@ -61,9 +61,9 @@ static void __cpuinit amd_fixup_dcm(stru
 	 *
 	 * Bugzilla references: 547518, 560013, 667234
 	 */
-	if ((c->x86 == 0x10) && (c->x86_model == 9) &&
+	/*if ((c->x86 == 0x10) && (c->x86_model == 9) &&
 	    !early_is_k8_nb(read_pci_config(0, 24, 3, 0x00)))
-		return;
+		return;*/
 
 	rdmsrl(0xc001100c, value);
 
diff -urp a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c	2011-04-15 12:57:21.000000000 +0900
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c	2011-04-15 12:54:57.000000000 +0900
@@ -336,8 +336,8 @@ amd_check_l3_disable(int index, struct _
 		return;
 
 	/* not in virtualized environments */
-	if (num_k8_northbridges == 0)
-		return;
+	/*if (num_k8_northbridges == 0)
+		return;*/
 
 	this_leaf->can_disable = true;
 	this_leaf->l3_indices  = amd_calc_l3_indices();
diff -urp a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
--- a/arch/x86_64/kernel/setup.c	2011-04-15 12:57:30.000000000 +0900
+++ b/arch/x86_64/kernel/setup.c	2011-04-15 12:55:31.000000000 +0900
@@ -855,9 +855,9 @@ static void __cpuinit amd_fixup_dcm(stru
 	 *
 	 * Bugzilla references: 547518, 560013, 667234
 	 */
-	if ((c->x86 == 0x10) && (c->x86_model == 9) &&
+	/*if ((c->x86 == 0x10) && (c->x86_model == 9) &&
 	    !early_is_k8_nb(read_pci_config(0, 24, 3, 0x00)))
-		return;
+		return;*/
 
 	rdmsrl(0xc001100c, value);