x86, NMI: fix watchdog failure message

> it just won't work at boot time - the second logic unit will be stuck:
>
> Booting processor 1/2 APIC 0x1
> Initializing CPU#1
> Calibrating delay using timer specific routine.. 5586.12 BogoMIPS (lpj=2793063)
> CPU: Trace cache: 12K uops, L1 D cache: 16K
> CPU: L2 cache: 1024K
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 1
> CPU1: Thermal monitoring enabled (TM1)
>               Intel(R) Pentium(R) D CPU 2.80GHz stepping 04
> Brought up 2 CPUs
> testing NMI watchdog ... <4>WARNING: CPU#1: NMI appears to be stuck (0->0)!

while at it... - fix that newline
Signed-off-by: NAristeu Rozanski <aris@redhat.com>
Cc: jvillalo@redhat.com
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/kernel/nmi.c

@@ -142,11 +142,15 @@ int __init check_nmi_watchdog(void)
 		if (!per_cpu(wd_enabled, cpu))
 			continue;
 		if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5) {
+			printk("\n");
 			printk(KERN_WARNING "WARNING: CPU#%d: NMI "
 				"appears to be stuck (%d->%d)!\n",
 				cpu,
 				prev_nmi_count[cpu],
 				get_nmi_count(cpu));
+			printk(KERN_WARNING "Please report this to "
+			       "linux-kernel@vger.kernel.org and attach "
+			       "the output of 'dmesg' command.\n");
 			per_cpu(wd_enabled, cpu) = 0;
 			atomic_dec(&nmi_active);
 		}