[PATCH] x86_64: Increase NR_IRQ_VECTORS to 32 * NR_CPUS
This prevents running out of GSIs on large Unisys ES7000 machines.
Follows i386
Cc: "Protasevich, Natalie" <Natalie.Protasevich@unisys.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-x86_64/irq.h b/include/asm-x86_64/irq.h
index fb724ba..9db5a1b 100644
--- a/include/asm-x86_64/irq.h
+++ b/include/asm-x86_64/irq.h
@@ -36,7 +36,7 @@
#define NR_IRQ_VECTORS NR_IRQS
#else
#define NR_IRQS 224
-#define NR_IRQ_VECTORS 1024
+#define NR_IRQ_VECTORS (32 * NR_CPUS)
#endif
static __inline__ int irq_canonicalize(int irq)