diff options
| author | Tejun Heo <tj@kernel.org> | 2025-11-11 09:18:14 -1000 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2025-11-12 06:43:44 -1000 |
| commit | d2974cc79f7139cc851b84ad4f77805e93c40fe1 (patch) | |
| tree | 5a123951ce5ac11fd4fc530265aede722534fb4e | |
| parent | c948d9f80c675aad91d1510afed207df421b68e5 (diff) | |
sched_ext: Factor out scx_dsq_list_node cursor initialization into INIT_DSQ_LIST_CURSOR
Factor out scx_dsq_list_node cursor initialization into INIT_DSQ_LIST_CURSOR
macro in preparation for additional users.
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Cc: Dan Schatzberg <schatzberg.dan@gmail.com>
Acked-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | include/linux/sched/ext.h | 7 | ||||
| -rw-r--r-- | kernel/sched/ext.c | 5 |
2 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/sched/ext.h b/include/linux/sched/ext.h index d6c152475f5b..70ee5c28a74d 100644 --- a/include/linux/sched/ext.h +++ b/include/linux/sched/ext.h @@ -149,6 +149,13 @@ struct scx_dsq_list_node { u32 priv; /* can be used by iter cursor */ }; +#define INIT_DSQ_LIST_CURSOR(__node, __flags, __priv) \ + (struct scx_dsq_list_node) { \ + .node = LIST_HEAD_INIT((__node).node), \ + .flags = SCX_DSQ_LNODE_ITER_CURSOR | (__flags), \ + .priv = (__priv), \ + } + /* * The following is embedded in task_struct and contains all fields necessary * for a task to be scheduled by SCX. diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index b5c87a03f112..56946aceeb28 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -6253,9 +6253,8 @@ __bpf_kfunc int bpf_iter_scx_dsq_new(struct bpf_iter_scx_dsq *it, u64 dsq_id, if (!kit->dsq) return -ENOENT; - INIT_LIST_HEAD(&kit->cursor.node); - kit->cursor.flags = SCX_DSQ_LNODE_ITER_CURSOR | flags; - kit->cursor.priv = READ_ONCE(kit->dsq->seq); + kit->cursor = INIT_DSQ_LIST_CURSOR(kit->cursor, flags, + READ_ONCE(kit->dsq->seq)); return 0; } |