From: Philippe Elie <phil.el@wanadoo.fr>

From: Zwane Mwaikambo <zwane@arm.linux.org.uk>

The nmi_timer_int oprofile driver was enabling itself unconditionally if an
SMP kernel was being used on a UP system without an IOAPIC.

Tested on a P5 using NMI timer int driver and UP system using timer int
driver both running an SMP kernel.

2004-02-11  Zwane Mwaikambo <zwane@arm.linux.org.uk>

	* arch/i386/kernel/nmi.c: export nmi_active
	* arch/i386/oprofile/nmi_timer_int.c: use it to check if owe can use
	  an nmi interrupt