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-rw-r--r--include/linux/sched/ext.h10
-rw-r--r--kernel/sched/ext.c71
2 files changed, 7 insertions, 74 deletions
diff --git a/include/linux/sched/ext.h b/include/linux/sched/ext.h
index 0cf0915572c9..7047101dbf58 100644
--- a/include/linux/sched/ext.h
+++ b/include/linux/sched/ext.h
@@ -164,7 +164,7 @@ struct sched_ext_entity {
/*
* Runtime budget in nsecs. This is usually set through
- * scx_bpf_dispatch() but can also be modified directly by the BPF
+ * scx_bpf_dsq_insert() but can also be modified directly by the BPF
* scheduler. Automatically decreased by SCX as the task executes. On
* depletion, a scheduling event is triggered.
*
@@ -176,10 +176,10 @@ struct sched_ext_entity {
/*
* Used to order tasks when dispatching to the vtime-ordered priority
- * queue of a dsq. This is usually set through scx_bpf_dispatch_vtime()
- * but can also be modified directly by the BPF scheduler. Modifying it
- * while a task is queued on a dsq may mangle the ordering and is not
- * recommended.
+ * queue of a dsq. This is usually set through
+ * scx_bpf_dsq_insert_vtime() but can also be modified directly by the
+ * BPF scheduler. Modifying it while a task is queued on a dsq may
+ * mangle the ordering and is not recommended.
*/
u64 dsq_vtime;
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index df5b2c952cf7..512474eabea6 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -6391,7 +6391,8 @@ __bpf_kfunc_start_defs();
* When called from ops.dispatch(), there are no restrictions on @p or @dsq_id
* and this function can be called upto ops.dispatch_max_batch times to insert
* multiple tasks. scx_bpf_dispatch_nr_slots() returns the number of the
- * remaining slots. scx_bpf_consume() flushes the batch and resets the counter.
+ * remaining slots. scx_bpf_dsq_move_to_local() flushes the batch and resets the
+ * counter.
*
* This function doesn't have any locking restrictions and may be called under
* BPF locks (in the future when BPF introduces more flexible locking).
@@ -6415,14 +6416,6 @@ __bpf_kfunc void scx_bpf_dsq_insert(struct task_struct *p, u64 dsq_id, u64 slice
scx_dsq_insert_commit(p, dsq_id, enq_flags);
}
-/* for backward compatibility, will be removed in v6.15 */
-__bpf_kfunc void scx_bpf_dispatch(struct task_struct *p, u64 dsq_id, u64 slice,
- u64 enq_flags)
-{
- printk_deferred_once(KERN_WARNING "sched_ext: scx_bpf_dispatch() renamed to scx_bpf_dsq_insert()");
- scx_bpf_dsq_insert(p, dsq_id, slice, enq_flags);
-}
-
/**
* scx_bpf_dsq_insert_vtime - Insert a task into the vtime priority queue of a DSQ
* @p: task_struct to insert
@@ -6460,21 +6453,11 @@ __bpf_kfunc void scx_bpf_dsq_insert_vtime(struct task_struct *p, u64 dsq_id,
scx_dsq_insert_commit(p, dsq_id, enq_flags | SCX_ENQ_DSQ_PRIQ);
}
-/* for backward compatibility, will be removed in v6.15 */
-__bpf_kfunc void scx_bpf_dispatch_vtime(struct task_struct *p, u64 dsq_id,
- u64 slice, u64 vtime, u64 enq_flags)
-{
- printk_deferred_once(KERN_WARNING "sched_ext: scx_bpf_dispatch_vtime() renamed to scx_bpf_dsq_insert_vtime()");
- scx_bpf_dsq_insert_vtime(p, dsq_id, slice, vtime, enq_flags);
-}
-
__bpf_kfunc_end_defs();
BTF_KFUNCS_START(scx_kfunc_ids_enqueue_dispatch)
BTF_ID_FLAGS(func, scx_bpf_dsq_insert, KF_RCU)
BTF_ID_FLAGS(func, scx_bpf_dsq_insert_vtime, KF_RCU)
-BTF_ID_FLAGS(func, scx_bpf_dispatch, KF_RCU)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_vtime, KF_RCU)
BTF_KFUNCS_END(scx_kfunc_ids_enqueue_dispatch)
static const struct btf_kfunc_id_set scx_kfunc_set_enqueue_dispatch = {
@@ -6647,13 +6630,6 @@ __bpf_kfunc bool scx_bpf_dsq_move_to_local(u64 dsq_id)
}
}
-/* for backward compatibility, will be removed in v6.15 */
-__bpf_kfunc bool scx_bpf_consume(u64 dsq_id)
-{
- printk_deferred_once(KERN_WARNING "sched_ext: scx_bpf_consume() renamed to scx_bpf_dsq_move_to_local()");
- return scx_bpf_dsq_move_to_local(dsq_id);
-}
-
/**
* scx_bpf_dsq_move_set_slice - Override slice when moving between DSQs
* @it__iter: DSQ iterator in progress
@@ -6672,14 +6648,6 @@ __bpf_kfunc void scx_bpf_dsq_move_set_slice(struct bpf_iter_scx_dsq *it__iter,
kit->cursor.flags |= __SCX_DSQ_ITER_HAS_SLICE;
}
-/* for backward compatibility, will be removed in v6.15 */
-__bpf_kfunc void scx_bpf_dispatch_from_dsq_set_slice(
- struct bpf_iter_scx_dsq *it__iter, u64 slice)
-{
- printk_deferred_once(KERN_WARNING "sched_ext: scx_bpf_dispatch_from_dsq_set_slice() renamed to scx_bpf_dsq_move_set_slice()");
- scx_bpf_dsq_move_set_slice(it__iter, slice);
-}
-
/**
* scx_bpf_dsq_move_set_vtime - Override vtime when moving between DSQs
* @it__iter: DSQ iterator in progress
@@ -6699,14 +6667,6 @@ __bpf_kfunc void scx_bpf_dsq_move_set_vtime(struct bpf_iter_scx_dsq *it__iter,
kit->cursor.flags |= __SCX_DSQ_ITER_HAS_VTIME;
}
-/* for backward compatibility, will be removed in v6.15 */
-__bpf_kfunc void scx_bpf_dispatch_from_dsq_set_vtime(
- struct bpf_iter_scx_dsq *it__iter, u64 vtime)
-{
- printk_deferred_once(KERN_WARNING "sched_ext: scx_bpf_dispatch_from_dsq_set_vtime() renamed to scx_bpf_dsq_move_set_vtime()");
- scx_bpf_dsq_move_set_vtime(it__iter, vtime);
-}
-
/**
* scx_bpf_dsq_move - Move a task from DSQ iteration to a DSQ
* @it__iter: DSQ iterator in progress
@@ -6739,15 +6699,6 @@ __bpf_kfunc bool scx_bpf_dsq_move(struct bpf_iter_scx_dsq *it__iter,
p, dsq_id, enq_flags);
}
-/* for backward compatibility, will be removed in v6.15 */
-__bpf_kfunc bool scx_bpf_dispatch_from_dsq(struct bpf_iter_scx_dsq *it__iter,
- struct task_struct *p, u64 dsq_id,
- u64 enq_flags)
-{
- printk_deferred_once(KERN_WARNING "sched_ext: scx_bpf_dispatch_from_dsq() renamed to scx_bpf_dsq_move()");
- return scx_bpf_dsq_move(it__iter, p, dsq_id, enq_flags);
-}
-
/**
* scx_bpf_dsq_move_vtime - Move a task from DSQ iteration to a PRIQ DSQ
* @it__iter: DSQ iterator in progress
@@ -6773,30 +6724,16 @@ __bpf_kfunc bool scx_bpf_dsq_move_vtime(struct bpf_iter_scx_dsq *it__iter,
p, dsq_id, enq_flags | SCX_ENQ_DSQ_PRIQ);
}
-/* for backward compatibility, will be removed in v6.15 */
-__bpf_kfunc bool scx_bpf_dispatch_vtime_from_dsq(struct bpf_iter_scx_dsq *it__iter,
- struct task_struct *p, u64 dsq_id,
- u64 enq_flags)
-{
- printk_deferred_once(KERN_WARNING "sched_ext: scx_bpf_dispatch_from_dsq_vtime() renamed to scx_bpf_dsq_move_vtime()");
- return scx_bpf_dsq_move_vtime(it__iter, p, dsq_id, enq_flags);
-}
-
__bpf_kfunc_end_defs();
BTF_KFUNCS_START(scx_kfunc_ids_dispatch)
BTF_ID_FLAGS(func, scx_bpf_dispatch_nr_slots)
BTF_ID_FLAGS(func, scx_bpf_dispatch_cancel)
BTF_ID_FLAGS(func, scx_bpf_dsq_move_to_local)
-BTF_ID_FLAGS(func, scx_bpf_consume)
BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_slice)
BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_vtime)
BTF_ID_FLAGS(func, scx_bpf_dsq_move, KF_RCU)
BTF_ID_FLAGS(func, scx_bpf_dsq_move_vtime, KF_RCU)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_slice)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_vtime)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq, KF_RCU)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_vtime_from_dsq, KF_RCU)
BTF_KFUNCS_END(scx_kfunc_ids_dispatch)
static const struct btf_kfunc_id_set scx_kfunc_set_dispatch = {
@@ -6927,10 +6864,6 @@ BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_slice)
BTF_ID_FLAGS(func, scx_bpf_dsq_move_set_vtime)
BTF_ID_FLAGS(func, scx_bpf_dsq_move, KF_RCU)
BTF_ID_FLAGS(func, scx_bpf_dsq_move_vtime, KF_RCU)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_slice)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq_set_vtime)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_from_dsq, KF_RCU)
-BTF_ID_FLAGS(func, scx_bpf_dispatch_vtime_from_dsq, KF_RCU)
BTF_KFUNCS_END(scx_kfunc_ids_unlocked)
static const struct btf_kfunc_id_set scx_kfunc_set_unlocked = {