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-rw-r--r--kernel/softlockup.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index dc0b3be6b7d5..d9188c66278a 100644
--- a/kernel/softlockup.c
+++ b/kernel/softlockup.c
@@ -164,7 +164,7 @@ unsigned long __read_mostly sysctl_hung_task_check_count = 1024;
164/* 164/*
165 * Zero means infinite timeout - no checking done: 165 * Zero means infinite timeout - no checking done:
166 */ 166 */
167unsigned long __read_mostly sysctl_hung_task_timeout_secs = 120; 167unsigned long __read_mostly sysctl_hung_task_timeout_secs = 480;
168 168
169unsigned long __read_mostly sysctl_hung_task_warnings = 10; 169unsigned long __read_mostly sysctl_hung_task_warnings = 10;
170 170
@@ -303,17 +303,15 @@ cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
303 break; 303 break;
304 case CPU_ONLINE: 304 case CPU_ONLINE:
305 case CPU_ONLINE_FROZEN: 305 case CPU_ONLINE_FROZEN:
306 check_cpu = any_online_cpu(cpu_online_map); 306 check_cpu = cpumask_any(cpu_online_mask);
307 wake_up_process(per_cpu(watchdog_task, hotcpu)); 307 wake_up_process(per_cpu(watchdog_task, hotcpu));
308 break; 308 break;
309#ifdef CONFIG_HOTPLUG_CPU 309#ifdef CONFIG_HOTPLUG_CPU
310 case CPU_DOWN_PREPARE: 310 case CPU_DOWN_PREPARE:
311 case CPU_DOWN_PREPARE_FROZEN: 311 case CPU_DOWN_PREPARE_FROZEN:
312 if (hotcpu == check_cpu) { 312 if (hotcpu == check_cpu) {
313 cpumask_t temp_cpu_online_map = cpu_online_map; 313 /* Pick any other online cpu. */
314 314 check_cpu = cpumask_any_but(cpu_online_mask, hotcpu);
315 cpu_clear(hotcpu, temp_cpu_online_map);
316 check_cpu = any_online_cpu(temp_cpu_online_map);
317 } 315 }
318 break; 316 break;
319 317
@@ -323,7 +321,7 @@ cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
323 break; 321 break;
324 /* Unbind so it can run. Fall thru. */ 322 /* Unbind so it can run. Fall thru. */
325 kthread_bind(per_cpu(watchdog_task, hotcpu), 323 kthread_bind(per_cpu(watchdog_task, hotcpu),
326 any_online_cpu(cpu_online_map)); 324 cpumask_any(cpu_online_mask));
327 case CPU_DEAD: 325 case CPU_DEAD:
328 case CPU_DEAD_FROZEN: 326 case CPU_DEAD_FROZEN:
329 p = per_cpu(watchdog_task, hotcpu); 327 p = per_cpu(watchdog_task, hotcpu);