[PATCH][2.6.6-rc2] use smp_processor_id() in init_IRQ()

[Mikael Pettersson]

This patch replaces current_thread_info()->cpu in
i386' init_IRQ() by the equivalent smp_processor_id().
Reduces overhead on UP, and makes the code cleaner.

/Mikael

--- linux-2.6.6-rc2/arch/i386/kernel/i8259.c.~1~	2004-04-22 12:33:48.000000000 +0200
+++ linux-2.6.6-rc2/arch/i386/kernel/i8259.c	2004-04-22 13:15:40.000000000 +0200
@@ -445,5 +445,5 @@
 	if (boot_cpu_data.hard_math && !cpu_has_fpu)
 		setup_irq(FPU_IRQ, &fpu_irq);
 
-	irq_ctx_init(current_thread_info()->cpu);
+	irq_ctx_init(smp_processor_id());
 }
-
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