diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2021-03-02 14:13:13 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-05-12 12:43:26 +0300 |
| commit | 39d371b7c0c299d489041884d005aacc4bba8c15 (patch) | |
| tree | 711928ce3bf23eeee0d3ff6a094c04a79224e325 /kernel/sched/core.c | |
| parent | 9099a14708ce1dfecb6002605594a0daa319b555 (diff) | |
| download | linux-39d371b7c0c299d489041884d005aacc4bba8c15.tar.xz | |
sched: Provide raw_spin_rq_*lock*() helpers
In prepration for playing games with rq->lock, add some rq_lock
wrappers.
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/20210422123308.075967879@infradead.org
Diffstat (limited to 'kernel/sched/core.c')
| -rw-r--r-- | kernel/sched/core.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 660120d0a2ce..5568018222d9 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -184,6 +184,21 @@ int sysctl_sched_rt_runtime = 950000; * */ +void raw_spin_rq_lock_nested(struct rq *rq, int subclass) +{ + raw_spin_lock_nested(rq_lockp(rq), subclass); +} + +bool raw_spin_rq_trylock(struct rq *rq) +{ + return raw_spin_trylock(rq_lockp(rq)); +} + +void raw_spin_rq_unlock(struct rq *rq) +{ + raw_spin_unlock(rq_lockp(rq)); +} + /* * __task_rq_lock - lock the rq @p resides on. */ |