diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
index a70fd61095f8a73baa5eb7c486afd6ff19cd4fd1..6f077445647a6840b8318cba2584e1259e1a4db1 100644
--- a/arch/x86/kernel/cpu/cyrix.c
+++ b/arch/x86/kernel/cpu/cyrix.c
@@ -255,6 +255,7 @@ static void init_cyrix(struct cpuinfo_x86 *c)
 		break;
 
 	case 4: /* MediaGX/GXm or Geode GXM/GXLV/GX1 */
+	case 11: /* GX1 with inverted Device ID */
 #ifdef CONFIG_PCI
 	{
 		u32 vendor, device;