x86: UV, SGI RTC: add generic system vector, build fix on UP
Make ack_APIC_irq() build on !SMP && !APIC too.
Cc: Dimitri Sivanich <sivanich@sgi.com>
LKML-Reference: <20090304185605.GA24419@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 4ef949c..394d177 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -379,6 +379,7 @@
static inline void ack_APIC_irq(void)
{
+#ifdef CONFIG_X86_LOCAL_APIC
/*
* ack_APIC_irq() actually gets compiled as a single instruction
* ... yummie.
@@ -386,6 +387,7 @@
/* Docs say use 0 for future compatibility */
apic_write(APIC_EOI, 0);
+#endif
}
static inline unsigned default_get_apic_id(unsigned long x)