From 4994be1b3fe9120c88022ff5c0c33f6312b17adb Mon Sep 17 00:00:00 2001
From: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Date: Tue, 17 Jul 2007 21:22:33 +0900
Subject: [IA64] Add support for vector domain

Add fundamental support for multiple vector domain. There still exists
only one vector domain even with this patch. IRQ migration across
domain is not supported yet by this patch.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---
 include/asm-ia64/irq.h | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'include/asm-ia64/irq.h')

diff --git a/include/asm-ia64/irq.h b/include/asm-ia64/irq.h
index 67221615e317..35b360b82e43 100644
--- a/include/asm-ia64/irq.h
+++ b/include/asm-ia64/irq.h
@@ -14,8 +14,13 @@
 #include <linux/types.h>
 #include <linux/cpumask.h>
 
-#define NR_IRQS		256
-#define NR_IRQ_VECTORS	NR_IRQS
+#define NR_VECTORS	256
+
+#if (NR_VECTORS + 32 * NR_CPUS) < 1024
+#define NR_IRQS (NR_VECTORS + 32 * NR_CPUS)
+#else
+#define NR_IRQS 1024
+#endif
 
 static __inline__ int
 irq_canonicalize (int irq)
-- 
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