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/rt.c | |
| parent | sched,rt: Use cpumask_any*_distribute() (diff) | |
| download | linux-dev-95158a89dd50035b4ff5b8aa913854166b50fe6d.tar.xz linux-dev-95158a89dd50035b4ff5b8aa913854166b50fe6d.zip | |
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/rt.c')
| -rw-r--r-- | kernel/sched/rt.c | 4 |
1 files changed, 2 insertions, 2 deletions
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))) { |