linux-kernel - [01/89] lguest: fix timer interrupt setup

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Message-Id: <20110616000229.100571770@clark.kroah.org>
Date:	Wed, 15 Jun 2011 16:59:24 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: [01/89] lguest: fix timer interrupt setup

2.6.39-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Rusty Russell <rusty@...tcorp.com.au>

commit 15517f7c213442e4d8a098cf0732b237f764c576 upstream.

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@...tcorp.com.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 arch/x86/lguest/boot.c |    1 +
 1 file changed, 1 insertion(+)

--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -995,6 +995,7 @@ static void lguest_time_irq(unsigned int
 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(&lguest_clock);


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