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| author |   Brian Gerst <brgerst@gmail.com> | 2009-01-27 12:56:47 +0900 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2009-01-27 12:56:47 +0900 |
| commit | 996db817e3d1529d711e55b938d72ae4060b39fd (patch) | |
| tree | 3a676e1db30c261c66bb5a9c87cac5170f810a38 /arch/x86/kernel | |
| parent | x86: move apic variables to apic.c (diff) | |
| download | linux-dev-996db817e3d1529d711e55b938d72ae4060b39fd.tar.xz linux-dev-996db817e3d1529d711e55b938d72ae4060b39fd.zip | |
x86: only compile setup_percpu.o on SMP
Impact: Minor build optimization
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/Makefile | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_percpu.c | 6 |
2 files changed, 2 insertions, 7 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index a99437c965cc..73de055c29c2 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -28,7 +28,7 @@ CFLAGS_paravirt.o := $(nostackp) obj-y := process_$(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-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o @@ -59,6 +59,7 @@ apm-y := apm_32.o obj-$(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 diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index d367996693e6..f30ff691c34d 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -22,14 +22,8 @@ # 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 |