sched/core: Allow kthreads to fall back to online && !active cpus

[cascardo/linux.git] / kernel / sched / core.c

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 4135ac8..51d7105 100644 (file)
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -1536,7 +1536,9 @@ static int select_fallback_rq(int cpu, struct task_struct *p)
        for (;;) {
                /* Any allowed, online CPU? */
                for_each_cpu(dest_cpu, tsk_cpus_allowed(p)) {
-                       if (!cpu_active(dest_cpu))
+                       if (!(p->flags & PF_KTHREAD) && !cpu_active(dest_cpu))
+                               continue;
+                       if (!cpu_online(dest_cpu))
                                continue;
                        goto out;
                }