diff options
| -rw-r--r-- | kernel/sched.c | 4 | ||||
| -rw-r--r-- | kernel/softirq.c | 4 | ||||
| -rw-r--r-- | kernel/softlockup.c | 3 | ||||
| -rw-r--r-- | kernel/timer.c | 4 |
4 files changed, 11 insertions, 4 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 5c848fd4e461..b946209d9c15 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5272,9 +5272,11 @@ static struct notifier_block __cpuinitdata migration_notifier = { int __init migration_init(void) { void *cpu = (void *)(long)smp_processor_id(); + int err; /* Start one for the boot CPU: */ - migration_call(&migration_notifier, CPU_UP_PREPARE, cpu); + err = migration_call(&migration_notifier, CPU_UP_PREPARE, cpu); + BUG_ON(err == NOTIFY_BAD); migration_call(&migration_notifier, CPU_ONLINE, cpu); register_cpu_notifier(&migration_notifier); diff --git a/kernel/softirq.c b/kernel/softirq.c index 3789ca98197c..bf25015dce16 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -612,7 +612,9 @@ static struct notifier_block __cpuinitdata cpu_nfb = { __init int spawn_ksoftirqd(void) { void *cpu = (void *)(long)smp_processor_id(); - cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu); + int err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu); + + BUG_ON(err == NOTIFY_BAD); cpu_callback(&cpu_nfb, CPU_ONLINE, cpu); register_cpu_notifier(&cpu_nfb); return 0; diff --git a/kernel/softlockup.c b/kernel/softlockup.c index 03e6a2b0b787..50afeb813305 100644 --- a/kernel/softlockup.c +++ b/kernel/softlockup.c @@ -149,8 +149,9 @@ static struct notifier_block __cpuinitdata cpu_nfb = { __init void spawn_softlockup_task(void) { void *cpu = (void *)(long)smp_processor_id(); + int err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu); - cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu); + BUG_ON(err == NOTIFY_BAD); cpu_callback(&cpu_nfb, CPU_ONLINE, cpu); register_cpu_notifier(&cpu_nfb); diff --git a/kernel/timer.c b/kernel/timer.c index d644f4e9ca0c..a2cb1ecb1b28 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -1694,8 +1694,10 @@ static struct notifier_block __cpuinitdata timers_nb = { void __init init_timers(void) { - timer_cpu_notify(&timers_nb, (unsigned long)CPU_UP_PREPARE, + int err = timer_cpu_notify(&timers_nb, (unsigned long)CPU_UP_PREPARE, (void *)(long)smp_processor_id()); + + BUG_ON(err == NOTIFY_BAD); register_cpu_notifier(&timers_nb); open_softirq(TIMER_SOFTIRQ, run_timer_softirq, NULL); } |