2 files changed, 7 insertions, 0 deletions

diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile
index 121d2347b89f..94d5716fa7c3 100644
--- a/arch/ppc/Makefile
+++ b/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/arch/ppc64/Makefile b/arch/ppc64/Makefile
index 743f0dbdebf3..db1b25cdb5be 100644
--- a/arch/ppc64/Makefile
+++ b/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)