1)Nobody calls pick_dl_task with negative cpu, it's old RT leftover. 2)If p->nr_cpus_allowed is 1, than the affinity has just been changed in set_cpus_allowed_ptr(); we'll pick it just earlier than migration thread.
Signed-off-by: Kirill Tkhai <[email protected]> --- kernel/sched/deadline.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index cc4eb89..aaa5abb 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1121,10 +1121,8 @@ static void set_curr_task_dl(struct rq *rq) static int pick_dl_task(struct rq *rq, struct task_struct *p, int cpu) { if (!task_running(rq, p) && - (cpu < 0 || cpumask_test_cpu(cpu, &p->cpus_allowed)) && - (p->nr_cpus_allowed > 1)) + cpumask_test_cpu(cpu, tsk_cpus_allowed(p))) return 1; - return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
