arch/i386/kernel/nmi.c: fix compiler warning

[Lee Revell]

arch/i386/kernel/nmi.c: In function 'check_nmi_watchdog':
arch/i386/kernel/nmi.c:139: warning: statement with no effect

Signed-Off-By: Lee Revell <rlrevell@xxxxxxxxxxx>

--- linux-2.6.16-rc1/arch/i386/kernel/nmi.c~	2006-01-17 02:44:47.000000000 -0500
+++ linux-2.6.16-rc1/arch/i386/kernel/nmi.c	2006-01-26 15:30:59.000000000 -0500
@@ -135,8 +135,10 @@
 
 	printk(KERN_INFO "Testing NMI watchdog ... ");
 
+#ifdef CONFIG_SMP
 	if (nmi_watchdog == NMI_LOCAL_APIC)
 		smp_call_function(nmi_cpu_busy, (void *)&endflag, 0, 0);
+#endif
 
 	for (cpu = 0; cpu < NR_CPUS; cpu++)
 		prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count;


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