diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2020-11-18 00:19:31 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-05-12 11:43:26 +0200 |
| commit | 5cb9eaa3d274f75539077a28cf01e3563195fa53 (patch) | |
| tree | e1f3c463f682add25856cae8d02fd258dd8cbb8a /kernel/sched/topology.c | |
| parent | sched: Provide raw_spin_rq_*lock*() helpers (diff) | |
| download | linux-5cb9eaa3d274f75539077a28cf01e3563195fa53.tar.xz linux-5cb9eaa3d274f75539077a28cf01e3563195fa53.zip | |
sched: Wrap rq::lock access
In preparation of playing games with rq->lock, abstract the thing
using an accessor.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Don Hiatt <dhiatt@digitalocean.com>
Tested-by: Hongyu Ning <hongyu.ning@linux.intel.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lkml.kernel.org/r/20210422123308.136465446@infradead.org
Diffstat (limited to '')
| -rw-r--r-- | kernel/sched/topology.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 55a0a243e871..053115b55f89 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -467,7 +467,7 @@ void rq_attach_root(struct rq *rq, struct root_domain *rd) struct root_domain *old_rd = NULL; unsigned long flags; - raw_spin_lock_irqsave(&rq->lock, flags); + raw_spin_rq_lock_irqsave(rq, flags); if (rq->rd) { old_rd = rq->rd; @@ -493,7 +493,7 @@ void rq_attach_root(struct rq *rq, struct root_domain *rd) if (cpumask_test_cpu(rq->cpu, cpu_active_mask)) set_rq_online(rq); - raw_spin_unlock_irqrestore(&rq->lock, flags); + raw_spin_rq_unlock_irqrestore(rq, flags); if (old_rd) call_rcu(&old_rd->rcu, free_rootdomain); |