x86, irq: add LOCAL_PERF_VECTOR

Add a slot for the performance monitoring interrupt. Not yet used
by any subsystem - but the hardware has it. (This eases integration
with performance monitoring code.)

Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index 9a83a10a5d51a0e15aff511319a18ca57fe71bf2..0e2220bb314284c2ec12760a432b31515c110667 100644 (file)
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -88,6 +88,11 @@
  */
 #define LOCAL_TIMER_VECTOR     0xef
 
+/*
+ * Performance monitoring interrupt vector:
+ */
+#define LOCAL_PERF_VECTOR      0xee
+
 /*
  * First APIC vector available to drivers: (vectors 0x30-0xee) we
  * start at 0x31(0x41) to spread out vectors evenly between priority