diff --git a/[refs] b/[refs]
index bccb3113330c..ddbb2b916924 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f78541dcec327b0c46b150ee7d727f3db80275c4
+refs/heads/master: 9e3699ea7b8d63eabde7fefa9892e3a258c9c27d
diff --git a/trunk/arch/ppc/Makefile b/trunk/arch/ppc/Makefile
index 121d2347b89f..94d5716fa7c3 100644
--- a/trunk/arch/ppc/Makefile
+++ b/trunk/arch/ppc/Makefile
@@ -26,6 +26,10 @@ CPPFLAGS	+= -Iarch/$(ARCH) -Iarch/$(ARCH)/include
 AFLAGS		+= -Iarch/$(ARCH)
 CFLAGS		+= -Iarch/$(ARCH) -msoft-float -pipe \
 		-ffixed-r2 -mmultiple
+
+# No AltiVec instruction when building kernel
+CFLAGS		+= $(call cc-option, -mno-altivec)
+
 CPP		= $(CC) -E $(CFLAGS)
 # Temporary hack until we have migrated to asm-powerpc
 LINUXINCLUDE    += -Iarch/$(ARCH)/include
diff --git a/trunk/arch/ppc64/Makefile b/trunk/arch/ppc64/Makefile
index 743f0dbdebf3..db1b25cdb5be 100644
--- a/trunk/arch/ppc64/Makefile
+++ b/trunk/arch/ppc64/Makefile
@@ -75,6 +75,9 @@ else
 	CFLAGS += $(call cc-option,-mtune=power4)
 endif
 
+# No AltiVec instruction when building kernel
+CFLAGS	+= $(call cc-option, -mno-altivec)
+
 # Enable unit-at-a-time mode when possible. It shrinks the
 # kernel considerably.
 CFLAGS += $(call cc-option,-funit-at-a-time)