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-rw-r--r--kernel/sched.c13
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)