diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2020-10-01 16:05:39 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-11-10 18:39:00 +0100 |
| commit | 95158a89dd50035b4ff5b8aa913854166b50fe6d (patch) | |
| tree | 543375898656d1806af807ce8744f7ac9d888a1c /kernel/sched | |
| parent | 14e292f8d45380c519a83d9b0f37089a17eedcdf (diff) | |
sched,rt: Use the full cpumask for balancing
We want migrate_disable() tasks to get PULLs in order for them to PUSH
away the higher priority task.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>
Reviewed-by: Daniel Bristot de Oliveira <bristot@redhat.com>
Link: https://lkml.kernel.org/r/20201023102347.310519774@infradead.org
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/cpudeadline.c | 4 | ||||
| -rw-r--r-- | kernel/sched/cpupri.c | 4 | ||||
| -rw-r--r-- | kernel/sched/deadline.c | 4 | ||||
| -rw-r--r-- | kernel/sched/rt.c | 4 |
4 files changed, 8 insertions, 8 deletions
diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c index 8cb06c8c7eb1..ceb03d76c0cc 100644 --- a/kernel/sched/cpudeadline.c +++ b/kernel/sched/cpudeadline.c @@ -120,7 +120,7 @@ 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_ptr)) { + cpumask_and(later_mask, cp->free_cpus, &p->cpus_mask)) { unsigned long cap, max_cap = 0; int cpu, max_cpu = -1; @@ -151,7 +151,7 @@ int cpudl_find(struct cpudl *cp, struct task_struct *p, WARN_ON(best_cpu != -1 && !cpu_present(best_cpu)); - if (cpumask_test_cpu(best_cpu, p->cpus_ptr) && + if (cpumask_test_cpu(best_cpu, &p->cpus_mask) && dl_time_before(dl_se->deadline, cp->elements[0].dl)) { if (later_mask) cpumask_set_cpu(best_cpu, later_mask); diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c index 0033731a0797..11c4df2010de 100644 --- a/kernel/sched/cpupri.c +++ b/kernel/sched/cpupri.c @@ -73,11 +73,11 @@ static inline int __cpupri_find(struct cpupri *cp, struct task_struct *p, if (skip) return 0; - if (cpumask_any_and(p->cpus_ptr, vec->mask) >= nr_cpu_ids) + if (cpumask_any_and(&p->cpus_mask, vec->mask) >= nr_cpu_ids) return 0; if (lowest_mask) { - cpumask_and(lowest_mask, p->cpus_ptr, vec->mask); + cpumask_and(lowest_mask, &p->cpus_mask, 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 206a0703fcbc..3d3fd8370447 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1912,7 +1912,7 @@ static void task_fork_dl(struct task_struct *p) static int pick_dl_task(struct rq *rq, struct task_struct *p, int cpu) { if (!task_running(rq, p) && - cpumask_test_cpu(cpu, p->cpus_ptr)) + cpumask_test_cpu(cpu, &p->cpus_mask)) return 1; return 0; } @@ -2062,7 +2062,7 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq) /* Retry if something changed. */ if (double_lock_balance(rq, later_rq)) { if (unlikely(task_rq(task) != rq || - !cpumask_test_cpu(later_rq->cpu, task->cpus_ptr) || + !cpumask_test_cpu(later_rq->cpu, &task->cpus_mask) || task_running(rq, task) || !dl_task(task) || !task_on_rq_queued(task))) { diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 2525a1beed26..cf63346a07e4 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1658,7 +1658,7 @@ static void put_prev_task_rt(struct rq *rq, struct task_struct *p) static int pick_rt_task(struct rq *rq, struct task_struct *p, int cpu) { if (!task_running(rq, p) && - cpumask_test_cpu(cpu, p->cpus_ptr)) + cpumask_test_cpu(cpu, &p->cpus_mask)) return 1; return 0; @@ -1811,7 +1811,7 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task, struct rq *rq) * Also make sure that it wasn't scheduled on its rq. */ if (unlikely(task_rq(task) != rq || - !cpumask_test_cpu(lowest_rq->cpu, task->cpus_ptr) || + !cpumask_test_cpu(lowest_rq->cpu, &task->cpus_mask) || task_running(rq, task) || !rt_task(task) || !task_on_rq_queued(task))) { |