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authorPeter Zijlstra <peterz@infradead.org>2020-10-01 17:05:39 +0300
committerPeter Zijlstra <peterz@infradead.org>2020-11-10 20:39:00 +0300
commit95158a89dd50035b4ff5b8aa913854166b50fe6d (patch)
tree543375898656d1806af807ce8744f7ac9d888a1c /kernel/sched/rt.c
parent14e292f8d45380c519a83d9b0f37089a17eedcdf (diff)
downloadlinux-95158a89dd50035b4ff5b8aa913854166b50fe6d.tar.xz
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.c4
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))) {