From 15517f7c213442e4d8a098cf0732b237f764c576 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 30 May 2011 11:14:08 -0600
Subject: [PATCH] lguest: fix timer interrupt setup
Without an IRQ chip set, we now get a WARN_ON and no timer interrupt. This
prevents booting.
Fortunately, the fix is a one-liner: set up the timer IRQ like everything
else.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org # .39.x
---
arch/x86/lguest/boot.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index e191c096ab90..db832fd65ecb 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -993,6 +993,7 @@ static void lguest_time_irq(unsigned int irq, struct irq_desc *desc)
static void lguest_time_init(void)
{
/* Set up the timer interrupt (0) to go to our simple timer routine */
+ lguest_setup_irq(0);
irq_set_handler(0, lguest_time_irq);
clocksource_register_hz(&lguest_clock, NSEC_PER_SEC);
--
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