sched/core: Use tsk_cpus_allowed() instead of accessing ->cpus_allowed

Use the future-safe accessor for struct task_struct's.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1462969411-17735-1-git-send-email-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c
index 5a75b08..5be5882 100644 (file)
--- a/kernel/sched/cpudeadline.c
+++ b/kernel/sched/cpudeadline.c
@@ -103,10 +103,10 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p,
        const struct sched_dl_entity *dl_se = &p->dl;
 
        if (later_mask &&
-           cpumask_and(later_mask, cp->free_cpus, &p->cpus_allowed)) {
+           cpumask_and(later_mask, cp->free_cpus, tsk_cpus_allowed(p))) {
                best_cpu = cpumask_any(later_mask);
                goto out;
-       } else if (cpumask_test_cpu(cpudl_maximum(cp), &p->cpus_allowed) &&
+       } else if (cpumask_test_cpu(cpudl_maximum(cp), tsk_cpus_allowed(p)) &&
                        dl_time_before(dl_se->deadline, cp->elements[0].dl)) {
                best_cpu = cpudl_maximum(cp);
                if (later_mask)

diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index 981fcd7..11e9705 100644 (file)
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -103,11 +103,11 @@ int cpupri_find(struct cpupri *cp, struct task_struct *p,
                if (skip)
                        continue;
 
-               if (cpumask_any_and(&p->cpus_allowed, vec->mask) >= nr_cpu_ids)
+               if (cpumask_any_and(tsk_cpus_allowed(p), vec->mask) >= nr_cpu_ids)
                        continue;
 
                if (lowest_mask) {
-                       cpumask_and(lowest_mask, &p->cpus_allowed, vec->mask);
+                       cpumask_and(lowest_mask, tsk_cpus_allowed(p), vec->mask);
 
                        /*
                         * We have to ensure that we have at least one bit

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index 0ac6c84..4c9b4ee 100644 (file)
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1393,7 +1393,7 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq)
                if (double_lock_balance(rq, later_rq)) {
                        if (unlikely(task_rq(task) != rq ||
                                     !cpumask_test_cpu(later_rq->cpu,
-                                                      &task->cpus_allowed) ||
+                                                      tsk_cpus_allowed(task)) ||
                                     task_running(rq, task) ||
                                     !dl_task(task) ||
                                     !task_on_rq_queued(task))) {