linux/debian/patches/features/all/rt/sched-use-tsk_cpus_allowed-...

59 lines
2.2 KiB
Diff

From: Thomas Gleixner <tglx@linutronix.de>
Date: Mon, 18 Jan 2016 17:10:39 +0100
Subject: sched: use tsk_cpus_allowed() instead of accessing
->cpus_allowed
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.6/older/patches-4.6.2-rt5.tar.xz
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>
---
kernel/sched/cpudeadline.c | 4 ++--
kernel/sched/cpupri.c | 4 ++--
kernel/sched/deadline.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)
--- a/kernel/sched/cpudeadline.c
+++ b/kernel/sched/cpudeadline.c
@@ -103,10 +103,10 @@ int cpudl_find(struct cpudl *cp, struct
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)
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -103,11 +103,11 @@ int cpupri_find(struct cpupri *cp, struc
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
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -1392,7 +1392,7 @@ static struct rq *find_lock_later_rq(str
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))) {