diff options
| author | Chris Redpath <chris.redpath@arm.com> | 2015-01-30 14:12:26 +0900 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:41:32 +0900 |
| commit | 6ed51146283c61e5cd460ca67cc272005c45ff89 (patch) | |
| tree | ac15209848e3e43278ffe0a9754573ab20cd1a75 /kernel/sched/fair.c | |
| parent | 62e4f273b9b4565f31bff3296b8771a53740d4a3 (diff) | |
sched: Do not ignore grouped tasks during HMP forced migration.
If the entity is not a task, it is a cfs group rq. Iterate up to
find the task entity.
Signed-off-by: Chris Redpath <chris.redpath@arm.com>
[k.kozlowski: rebased on 4.1, no signed-off-by of previous committer]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Diffstat (limited to 'kernel/sched/fair.c')
| -rw-r--r-- | kernel/sched/fair.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 3fe12d0924ba..24ce81cc392e 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -8179,10 +8179,19 @@ static void hmp_force_up_migration(int this_cpu) target = cpu_rq(cpu); raw_spin_lock_irqsave(&target->lock, flags); curr = target->cfs.curr; - if (!curr || !entity_is_task(curr)) { + if (!curr) { raw_spin_unlock_irqrestore(&target->lock, flags); continue; } + if (!entity_is_task(curr)) { + struct cfs_rq *cfs_rq; + + cfs_rq = group_cfs_rq(curr); + while (cfs_rq) { + curr = cfs_rq->curr; + cfs_rq = group_cfs_rq(curr); + } + } p = task_of(curr); if (hmp_up_migration(cpu, curr)) { if (!target->active_balance) { |