[PATCH for review] [66/145] x86_64: Use BUILD_BUG_ON in apic.c build sanity checking

[Andi Kleen <ak@suse.de>]

r

Makes code a little shorter.

Signed-off-by: Andi Kleen <ak@suse.de>

---
 arch/x86_64/kernel/apic.c |    5 +----
 1 files 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.
-
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