diff --git a/[refs] b/[refs]
index de98b3405380..5977126e4477 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 54cd6ddec77b75e6926d73d263aec72255b24030
+refs/heads/master: 966d905634de4433cea465fdcea19503c4ae260f
diff --git a/trunk/arch/sparc64/Makefile b/trunk/arch/sparc64/Makefile
index 848e33410b43..f0c22f826982 100644
--- a/trunk/arch/sparc64/Makefile
+++ b/trunk/arch/sparc64/Makefile
@@ -17,6 +17,7 @@ LDFLAGS		:= -m elf64_sparc
 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
 	-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
 	-Wa,--undeclared-regs
+KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
 
 ifeq ($(CONFIG_MCOUNT),y)