diff --git a/[refs] b/[refs]
index 67369d7e0818..504826b81bb5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2c740c5841ba69aed216fdf7180f06e693165a7b
+refs/heads/master: 643ba4e3077f8d1c6b1cd5cc9ea3406198a833ff
diff --git a/trunk/arch/powerpc/platforms/Kconfig b/trunk/arch/powerpc/platforms/Kconfig
index d0af7fb2f344..b9ba86191aed 100644
--- a/trunk/arch/powerpc/platforms/Kconfig
+++ b/trunk/arch/powerpc/platforms/Kconfig
@@ -24,7 +24,7 @@ source "arch/powerpc/platforms/wsp/Kconfig"
 
 config KVM_GUEST
 	bool "KVM Guest support"
-	default y
+	default n
 	---help---
 	  This option enables various optimizations for running under the KVM
 	  hypervisor. Overhead for the kernel when not running inside KVM should