From 1028375e93a7aa4dbe466947d1c65f368b1f61c1 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Fri, 12 Jun 2009 22:26:59 -0600
Subject: lguest: clean up lguest_init_IRQ

Copy from arch/x86/kernel/irqinit_32.c: we don't use the vectors beyond
LGUEST_IRQS (if any), but we might as well set them all.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 arch/x86/lguest/boot.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

(limited to 'arch/x86')

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 4e0c26559395..2392a7a171c2 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -628,13 +628,12 @@ static void __init lguest_init_IRQ(void)
 {
 	unsigned int i;
 
-	for (i = 0; i < LGUEST_IRQS; i++) {
-		int vector = FIRST_EXTERNAL_VECTOR + i;
+	for (i = FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {
 		/* Some systems map "vectors" to interrupts weirdly.  Lguest has
 		 * a straightforward 1 to 1 mapping, so force that here. */
-		__get_cpu_var(vector_irq)[vector] = i;
-		if (vector != SYSCALL_VECTOR)
-			set_intr_gate(vector, interrupt[i]);
+		__get_cpu_var(vector_irq)[i] = i - FIRST_EXTERNAL_VECTOR;
+		if (i != SYSCALL_VECTOR)
+			set_intr_gate(i, interrupt[i - FIRST_EXTERNAL_VECTOR]);
 	}
 	/* This call is required to set up for 4k stacks, where we have
 	 * separate stacks for hard and soft interrupts. */
-- 
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