From: Nathan Lynch <ntl@pobox.com> wrote:

Initialize the softlockup timestamp of freshly brought up CPUs with
jiffies.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 kernel/softlockup.c |    1 +
 1 files changed, 1 insertion(+)

diff -puN kernel/softlockup.c~softlockup-detection-vs-cpu-hotplug kernel/softlockup.c
--- devel/kernel/softlockup.c~softlockup-detection-vs-cpu-hotplug	2006-02-23 22:31:14.000000000 -0800
+++ devel-akpm/kernel/softlockup.c	2006-02-23 22:31:14.000000000 -0800
@@ -118,6 +118,7 @@ cpu_callback(struct notifier_block *nfb,
 			printk("watchdog for %i failed\n", hotcpu);
 			return NOTIFY_BAD;
 		}
+  		per_cpu(timestamp, hotcpu) = jiffies;
   		per_cpu(watchdog_task, hotcpu) = p;
 		kthread_bind(p, hotcpu);
  		break;
_