diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index e4e54e86f4a2..ddf418810c39 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4817,7 +4817,7 @@ void show_state(void) * NOTE: this function does not set the idle thread's NEED_RESCHED * flag, to make booting more robust. */ -void __devinit init_idle(struct task_struct *idle, int cpu) +void __cpuinit init_idle(struct task_struct *idle, int cpu) { struct rq *rq = cpu_rq(cpu); unsigned long flags; @@ -5461,7 +5461,7 @@ static void cpu_attach_domain(struct sched_domain *sd, int cpu) } /* cpus with isolated domains */ -static cpumask_t __devinitdata cpu_isolated_map = CPU_MASK_NONE; +static cpumask_t __cpuinitdata cpu_isolated_map = CPU_MASK_NONE; /* Setup the mask of cpus configured for isolated domains */ static int __init isolated_cpu_setup(char *str) @@ -6747,11 +6747,20 @@ static int update_sched_domains(struct notifier_block *nfb, void __init sched_init_smp(void) { + cpumask_t non_isolated_cpus; + lock_cpu_hotplug(); arch_init_sched_domains(&cpu_online_map); + cpus_andnot(non_isolated_cpus, cpu_online_map, cpu_isolated_map); + if (cpus_empty(non_isolated_cpus)) + cpu_set(smp_processor_id(), non_isolated_cpus); unlock_cpu_hotplug(); /* XXX: Theoretical race here - CPU may be hotplugged now */ hotcpu_notifier(update_sched_domains, 0); + + /* Move init over to a non-isolated CPU */ + if (set_cpus_allowed(current, non_isolated_cpus) < 0) + BUG(); } #else void __init sched_init_smp(void) |