Use BUILD_BUG_ON in apic.c build sanity checking Makes code a little shorter. Signed-off-by: Andi Kleen --- arch/x86_64/kernel/apic.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) Index: linux/arch/x86_64/kernel/apic.c =================================================================== --- linux.orig/arch/x86_64/kernel/apic.c +++ linux/arch/x86_64/kernel/apic.c @@ -265,8 +265,6 @@ void __init sync_Arb_IDs(void) | APIC_DM_INIT); } -extern void __error_in_apic_c (void); - /* * An initial setup of the virtual wire mode. */ @@ -313,8 +311,7 @@ void __cpuinit setup_local_APIC (void) value = apic_read(APIC_LVR); - if ((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f) - __error_in_apic_c(); + BUILD_BUG_ON((SPURIOUS_APIC_VECTOR & 0x0f) != 0x0f); /* * Double-check whether this APIC is really registered.