summaryrefslogtreecommitdiffstats
path: root/kernel/softlockup.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/softlockup.c')
-rw-r--r--kernel/softlockup.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index dc0b3be6b7d..d9188c66278 100644
--- a/kernel/softlockup.c
+++ b/kernel/softlockup.c
@@ -164,7 +164,7 @@ unsigned long __read_mostly sysctl_hung_task_check_count = 1024;
/*
* Zero means infinite timeout - no checking done:
*/
-unsigned long __read_mostly sysctl_hung_task_timeout_secs = 120;
+unsigned long __read_mostly sysctl_hung_task_timeout_secs = 480;
unsigned long __read_mostly sysctl_hung_task_warnings = 10;
@@ -303,17 +303,15 @@ cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
break;
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
- check_cpu = any_online_cpu(cpu_online_map);
+ check_cpu = cpumask_any(cpu_online_mask);
wake_up_process(per_cpu(watchdog_task, hotcpu));
break;
#ifdef CONFIG_HOTPLUG_CPU
case CPU_DOWN_PREPARE:
case CPU_DOWN_PREPARE_FROZEN:
if (hotcpu == check_cpu) {
- cpumask_t temp_cpu_online_map = cpu_online_map;
-
- cpu_clear(hotcpu, temp_cpu_online_map);
- check_cpu = any_online_cpu(temp_cpu_online_map);
+ /* Pick any other online cpu. */
+ check_cpu = cpumask_any_but(cpu_online_mask, hotcpu);
}
break;
@@ -323,7 +321,7 @@ cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
break;
/* Unbind so it can run. Fall thru. */
kthread_bind(per_cpu(watchdog_task, hotcpu),
- any_online_cpu(cpu_online_map));
+ cpumask_any(cpu_online_mask));
case CPU_DEAD:
case CPU_DEAD_FROZEN:
p = per_cpu(watchdog_task, hotcpu);