i386: increase IRQ limit

From: Jeremy Fitzhardinge <jeremy@goop.org>
When running with CONFIG_PARAVIRT, we may want lots of IRQs even if
there's no IO APIC.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com> 
---
 include/asm-i386/mach-default/irq_vectors_limits.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

===================================================================
Index: linux/include/asm-i386/mach-default/irq_vectors_limits.h
===================================================================
--- linux.orig/include/asm-i386/mach-default/irq_vectors_limits.h
+++ linux/include/asm-i386/mach-default/irq_vectors_limits.h
@@ -1,7 +1,7 @@
 #ifndef _ASM_IRQ_VECTORS_LIMITS_H
 #define _ASM_IRQ_VECTORS_LIMITS_H
 
-#ifdef CONFIG_X86_IO_APIC
+#if defined(CONFIG_X86_IO_APIC) || defined(CONFIG_PARAVIRT)
 #define NR_IRQS 224
 # if (224 >= 32 * NR_CPUS)
 # define NR_IRQ_VECTORS NR_IRQS