x86: only compile setup_percpu.o on SMP

obj-y			:= process_$(BITS).o signal.o entry_$(BITS).o

obj-y			+= traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o

obj-y			+= time_$(BITS).o ioport.o ldt.o dumpstack.o

obj-y			+= setup.o i8259.o irqinit_$(BITS).o setup_percpu.o

obj-y			+= setup.o i8259.o irqinit_$(BITS).o

obj-$(CONFIG_X86_VISWS)	+= visws_quirks.o

obj-$(CONFIG_X86_32)	+= probe_roms_32.o

obj-$(CONFIG_X86_32)	+= sys_i386_32.o i386_ksyms_32.o

obj-$(CONFIG_APM)		+= apm.o

obj-$(CONFIG_X86_SMP)		+= smp.o

obj-$(CONFIG_X86_SMP)		+= smpboot.o tsc_sync.o ipi.o

obj-$(CONFIG_SMP)		+= setup_percpu.o

obj-$(CONFIG_X86_32_SMP)	+= smpcommon.o

obj-$(CONFIG_X86_64_SMP)	+= tsc_sync.o smpcommon.o

obj-$(CONFIG_X86_TRAMPOLINE)	+= trampoline_$(BITS).o

# define DBG(x...)

#endif

/*

 * Could be inside CONFIG_HAVE_SETUP_PER_CPU_AREA with other stuff but

 * voyager wants cpu_number too.

 */

#ifdef CONFIG_SMP

DEFINE_PER_CPU(int, cpu_number);

EXPORT_PER_CPU_SYMBOL(cpu_number);

#endif

#ifdef CONFIG_HAVE_SETUP_PER_CPU_AREA