x86_64: prepare shared lib/iomap_copy.S

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile
index 0ac0033..ea20b10 100644
--- a/arch/x86_64/lib/Makefile
+++ b/arch/x86_64/lib/Makefile
@@ -4,7 +4,7 @@
 
 CFLAGS_csum-partial.o := -funroll-loops
 
-obj-y := io.o iomap_copy.o
+obj-y := io.o iomap_copy_64.o
 obj-$(CONFIG_SMP)	+= msr-on-cpu.o
 
 lib-y := csum-partial.o csum-copy.o csum-wrappers.o delay.o \
diff --git a/arch/x86_64/lib/iomap_copy.S b/arch/x86_64/lib/iomap_copy_64.S
similarity index 100%
rename from arch/x86_64/lib/iomap_copy.S
rename to arch/x86_64/lib/iomap_copy_64.S