[IA64] Optional method to purge the TLB on SN systems
This patch adds an optional method for purging the TLB on SN IA64 systems.
The change should not affect any non-SN system.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
diff --git a/include/asm-ia64/hw_irq.h b/include/asm-ia64/hw_irq.h
index 27f9df6..c054d7a 100644
--- a/include/asm-ia64/hw_irq.h
+++ b/include/asm-ia64/hw_irq.h
@@ -66,6 +66,7 @@
#define IA64_PERFMON_VECTOR 0xee /* performanc monitor interrupt vector */
#define IA64_TIMER_VECTOR 0xef /* use highest-prio group 15 interrupt for timer */
#define IA64_MCA_WAKEUP_VECTOR 0xf0 /* MCA wakeup (must be >MCA_RENDEZ_VECTOR) */
+#define IA64_IPI_LOCAL_TLB_FLUSH 0xfc /* SMP flush local TLB */
#define IA64_IPI_RESCHEDULE 0xfd /* SMP reschedule */
#define IA64_IPI_VECTOR 0xfe /* inter-processor interrupt vector */