[PATCH 8/8] SGI x86_64 UV: Limit the number of cpu is down messages

[Mike Travis]

Limit number of "CPUx is down" messages when system is shutting down.

Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Shane Wang <shane.wang@xxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Mike Travis <travis@xxxxxxx>
---
 kernel/cpu.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- linux.orig/kernel/cpu.c
+++ linux/kernel/cpu.c
@@ -394,7 +394,9 @@
 		error = _cpu_down(cpu, 1);
 		if (!error) {
 			cpumask_set_cpu(cpu, frozen_cpus);
-			printk("CPU%d is down\n", cpu);
+			if (cpu < 4 || system_state == SYSTEM_RUNNING ||
+				!limit_console_output(false))
+				printk(KERN_INFO "CPU%d is down\n", cpu);
 		} else {
 			printk(KERN_ERR "Error taking CPU%d down: %d\n",
 				cpu, error);

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