diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
index 455d8ada9b9a..d39cfb2c6b63 100644
--- a/arch/x86/kernel/cpu/cyrix.c
+++ b/arch/x86/kernel/cpu/cyrix.c
@@ -253,6 +253,7 @@ 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;