diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 0648a22..72c0f60 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -40,19 +40,8 @@
 	if (!pat_wc_enabled)
 		return 0;
 
-	if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
-	    (boot_cpu_data.x86 == 0xF ||
-	     (boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model >= 15))) {
-		if (cpu_has_pat) {
-			return 1;
-		}
-	}
-	if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
-	     boot_cpu_data.x86 >= 0xf && boot_cpu_data.x86 <= 0x11) {
-		if (cpu_has_pat) {
-			return 1;
-		}
-	}
+	if (cpu_has_pat)
+		return 1;
 
 	pat_wc_enabled = 0;
 	printk(KERN_INFO "CPU and/or kernel does not support PAT.\n");