From 266f0566761cf88906d634727b3d9fc2556f5cbd Mon Sep 17 00:00:00 2001
From: Andi Kleen <ak@suse.de>
Date: Wed, 30 Aug 2006 19:37:17 +0200
Subject: [PATCH] i386: Fix stack switching in do_IRQ

There was a bogus hunk from the genirq merge that essentially
broke stack switching for hard interrupts. Remove it since it isn't
needed.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/i386/kernel/irq.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
index 6cb529f60dcc..5fe547cd8f9f 100644
--- a/arch/i386/kernel/irq.c
+++ b/arch/i386/kernel/irq.c
@@ -82,10 +82,6 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
 	}
 #endif
 
-	if (!irq_desc[irq].handle_irq) {
-		__do_IRQ(irq, regs);
-		goto out_exit;
-	}
 #ifdef CONFIG_4KSTACKS
 
 	curctx = (union irq_ctx *) current_thread_info();
@@ -125,7 +121,6 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
 #endif
 		__do_IRQ(irq, regs);
 
-out_exit:
 	irq_exit();
 
 	return 1;
-- 
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