Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
sched_ext: Wrap deferred_reenq_local_node into a struct
Wrap the deferred_reenq_local_node list_head into struct
scx_deferred_reenq_local. More fields will be added and this allows using a
shorthand pointer to access them.
No functional change.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Andrea Righi <arighi@nvidia.com>
+18
-10
+13
-9
kernel/sched/ext.c
+13
-9
kernel/sched/ext.c
···
3647
3647
struct scx_sched *sch;
3648
3648
3649
3649
scoped_guard (raw_spinlock, &rq->scx.deferred_reenq_lock) {
3650
-
struct scx_sched_pcpu *sch_pcpu =
3650
+
struct scx_deferred_reenq_local *drl =
3651
3651
list_first_entry_or_null(&rq->scx.deferred_reenq_locals,
3652
-
struct scx_sched_pcpu,
3653
-
deferred_reenq_local_node);
3654
-
if (!sch_pcpu)
3652
+
struct scx_deferred_reenq_local,
3653
+
node);
3654
+
struct scx_sched_pcpu *sch_pcpu;
3655
+
3656
+
if (!drl)
3655
3657
return;
3656
3658
3659
+
sch_pcpu = container_of(drl, struct scx_sched_pcpu,
3660
+
deferred_reenq_local);
3657
3661
sch = sch_pcpu->sch;
3658
-
list_del_init(&sch_pcpu->deferred_reenq_local_node);
3662
+
list_del_init(&drl->node);
3659
3663
}
3660
3664
3661
3665
reenq_local(sch, rq);
···
4203
4199
for_each_possible_cpu(cpu) {
4204
4200
struct scx_sched_pcpu *pcpu = per_cpu_ptr(sch->pcpu, cpu);
4205
4201
4206
-
WARN_ON_ONCE(!list_empty(&pcpu->deferred_reenq_local_node));
4202
+
WARN_ON_ONCE(!list_empty(&pcpu->deferred_reenq_local.node));
4207
4203
}
4208
4204
4209
4205
free_percpu(sch->pcpu);
···
5816
5812
struct scx_sched_pcpu *pcpu = per_cpu_ptr(sch->pcpu, cpu);
5817
5813
5818
5814
pcpu->sch = sch;
5819
-
INIT_LIST_HEAD(&pcpu->deferred_reenq_local_node);
5815
+
INIT_LIST_HEAD(&pcpu->deferred_reenq_local.node);
5820
5816
}
5821
5817
5822
5818
sch->helper = kthread_run_worker(0, "sched_ext_helper");
···
8394
8390
scoped_guard (raw_spinlock, &rq->scx.deferred_reenq_lock) {
8395
8391
struct scx_sched_pcpu *pcpu = this_cpu_ptr(sch->pcpu);
8396
8392
8397
-
if (list_empty(&pcpu->deferred_reenq_local_node))
8398
-
list_move_tail(&pcpu->deferred_reenq_local_node,
8393
+
if (list_empty(&pcpu->deferred_reenq_local.node))
8394
+
list_move_tail(&pcpu->deferred_reenq_local.node,
8399
8395
&rq->scx.deferred_reenq_locals);
8400
8396
}
8401
8397
+5
-1
kernel/sched/ext_internal.h
+5
-1
kernel/sched/ext_internal.h
···
954
954
struct scx_dsp_buf_ent buf[];
955
955
};
956
956
957
+
struct scx_deferred_reenq_local {
958
+
struct list_head node;
959
+
};
960
+
957
961
struct scx_sched_pcpu {
958
962
struct scx_sched *sch;
959
963
u64 flags; /* protected by rq lock */
···
969
965
*/
970
966
struct scx_event_stats event_stats;
971
967
972
-
struct list_head deferred_reenq_local_node;
968
+
struct scx_deferred_reenq_local deferred_reenq_local;
973
969
struct scx_dispatch_q bypass_dsq;
974
970
#ifdef CONFIG_EXT_SUB_SCHED
975
971
u32 bypass_host_seq;