[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>

diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
index 6cb529f60dcc67c9232d1267112db5f5d09f91e3..5fe547cd8f9fe48ab7d2e3dae930283b6baff70b 100644 (file)
--- 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;