x86_64: prepare shared kernel/pmtimer.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86_64/kernel/Makefile b/arch/x86_64/kernel/Makefile
index 1af0839..9939968 100644
--- a/arch/x86_64/kernel/Makefile
+++ b/arch/x86_64/kernel/Makefile
@@ -33,7 +33,7 @@
 obj-$(CONFIG_CALGARY_IOMMU)	+= pci-calgary_64.o tce_64.o
 obj-$(CONFIG_SWIOTLB)		+= pci-swiotlb_64.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
-obj-$(CONFIG_X86_PM_TIMER)	+= pmtimer.o
+obj-$(CONFIG_X86_PM_TIMER)	+= pmtimer_64.o
 obj-$(CONFIG_X86_VSMP)		+= vsmp_64.o
 obj-$(CONFIG_K8_NB)		+= k8.o
 obj-$(CONFIG_AUDIT)		+= audit.o
diff --git a/arch/x86_64/kernel/pmtimer.c b/arch/x86_64/kernel/pmtimer_64.c
similarity index 100%
rename from arch/x86_64/kernel/pmtimer.c
rename to arch/x86_64/kernel/pmtimer_64.c