From: Rusty Russell <rusty@rustcorp.com.au>
Date: Mon, 30 May 2011 17:14:08 +0000 (-0600)
Subject: lguest: fix timer interrupt setup
X-Git-Tag: 2.1b_release~3808^2~14
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=15517f7c213442e4d8a098cf0732b237f764c576;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git

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
---

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index e191c09..db832fd 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);