[PATCH] genirq: convert the x86_64 architecture to irq-chips

This patch converts all the x86_64 PIC controllers layers to the new and
simpler irq-chip interrupt handling layer.

[mingo@elte.hu: The patch also enables the fasteoi handler for x86_64]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c
index b3677e6ccc6..609f97153b8 100644
--- a/arch/x86_64/kernel/irq.c
+++ b/arch/x86_64/kernel/irq.c
@@ -74,7 +74,8 @@ int show_interrupts(struct seq_file *p, void *v)
                 for_each_online_cpu(j)
                         seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
 #endif
-                seq_printf(p, " %14s", irq_desc[i].chip->typename);
+                seq_printf(p, " %8s", irq_desc[i].chip->name);
+                seq_printf(p, "-%s", handle_irq_name(irq_desc[i].handle_irq));
 
                 seq_printf(p, "  %s", action->name);
                 for (action=action->next; action; action = action->next)
@@ -117,7 +118,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
         stack_overflow_check(regs);
 #endif
-        __do_IRQ(irq, regs);
+        generic_handle_irq(irq, regs);
         irq_exit();
 
         return 1;