diff options
| -rw-r--r-- | kernel/sched.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 9e3ede120e81..cd597c7442a3 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -2199,21 +2199,6 @@ struct migration_arg { static int migration_cpu_stop(void *data); /* - * The task's runqueue lock must be held. - * Returns true if you have to wait for migration thread. - */ -static bool need_migrate_task(struct task_struct *p) -{ - /* - * If the task is not on a runqueue (and not running), then - * the next wake-up will properly place the task. - */ - bool running = p->on_rq || p->on_cpu; - smp_rmb(); /* finish_lock_switch() */ - return running; -} - -/* * wait_task_inactive - wait for a thread to unschedule. * * If @match_state is nonzero, it's the @p->state value just checked and @@ -5985,7 +5970,7 @@ int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask) goto out; dest_cpu = cpumask_any_and(cpu_active_mask, new_mask); - if (need_migrate_task(p)) { + if (p->on_rq) { struct migration_arg arg = { p, dest_cpu }; /* Need help from migration thread: drop lock and wait. */ task_rq_unlock(rq, p, &flags); |