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sched_ext: Rename CFI stubs to names that are recognized by BPF

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CFI stubs can be used to tag arguments with __nullable (and possibly other
tags in the future) but for that to work the CFI stubs must have names that
are recognized by BPF. Rename them.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Vernet <void@manifault.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Tejun Heo
2024-10-24 06:58:09 -10:00
parent dfa4ed29b1
commit cf583264d0
1 changed files with 66 additions and 66 deletions
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132
kernel/sched/ext.c
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@@ -5634,78 +5634,78 @@ static int bpf_scx_validate(void *kdata)
return 0;
}
static s32 select_cpu_stub(struct task_struct *p, s32 prev_cpu, u64 wake_flags) { return -EINVAL; }
static void enqueue_stub(struct task_struct *p, u64 enq_flags) {}
static void dequeue_stub(struct task_struct *p, u64 enq_flags) {}
static void dispatch_stub(s32 prev_cpu, struct task_struct *p) {}
static void tick_stub(struct task_struct *p) {}
static void runnable_stub(struct task_struct *p, u64 enq_flags) {}
static void running_stub(struct task_struct *p) {}
static void stopping_stub(struct task_struct *p, bool runnable) {}
static void quiescent_stub(struct task_struct *p, u64 deq_flags) {}
static bool yield_stub(struct task_struct *from, struct task_struct *to) { return false; }
static bool core_sched_before_stub(struct task_struct *a, struct task_struct *b) { return false; }
static void set_weight_stub(struct task_struct *p, u32 weight) {}
static void set_cpumask_stub(struct task_struct *p, const struct cpumask *mask) {}
static void update_idle_stub(s32 cpu, bool idle) {}
static void cpu_acquire_stub(s32 cpu, struct scx_cpu_acquire_args *args) {}
static void cpu_release_stub(s32 cpu, struct scx_cpu_release_args *args) {}
static s32 init_task_stub(struct task_struct *p, struct scx_init_task_args *args) { return -EINVAL; }
static void exit_task_stub(struct task_struct *p, struct scx_exit_task_args *args) {}
static void enable_stub(struct task_struct *p) {}
static void disable_stub(struct task_struct *p) {}
static s32 sched_ext_ops__select_cpu(struct task_struct *p, s32 prev_cpu, u64 wake_flags) { return -EINVAL; }
static void sched_ext_ops__enqueue(struct task_struct *p, u64 enq_flags) {}
static void sched_ext_ops__dequeue(struct task_struct *p, u64 enq_flags) {}
static void sched_ext_ops__dispatch(s32 prev_cpu, struct task_struct *p) {}
static void sched_ext_ops__tick(struct task_struct *p) {}
static void sched_ext_ops__runnable(struct task_struct *p, u64 enq_flags) {}
static void sched_ext_ops__running(struct task_struct *p) {}
static void sched_ext_ops__stopping(struct task_struct *p, bool runnable) {}
static void sched_ext_ops__quiescent(struct task_struct *p, u64 deq_flags) {}
static bool sched_ext_ops__yield(struct task_struct *from, struct task_struct *to) { return false; }
static bool sched_ext_ops__core_sched_before(struct task_struct *a, struct task_struct *b) { return false; }
static void sched_ext_ops__set_weight(struct task_struct *p, u32 weight) {}
static void sched_ext_ops__set_cpumask(struct task_struct *p, const struct cpumask *mask) {}
static void sched_ext_ops__update_idle(s32 cpu, bool idle) {}
static void sched_ext_ops__cpu_acquire(s32 cpu, struct scx_cpu_acquire_args *args) {}
static void sched_ext_ops__cpu_release(s32 cpu, struct scx_cpu_release_args *args) {}
static s32 sched_ext_ops__init_task(struct task_struct *p, struct scx_init_task_args *args) { return -EINVAL; }
static void sched_ext_ops__exit_task(struct task_struct *p, struct scx_exit_task_args *args) {}
static void sched_ext_ops__enable(struct task_struct *p) {}
static void sched_ext_ops__disable(struct task_struct *p) {}
#ifdef CONFIG_EXT_GROUP_SCHED
static s32 cgroup_init_stub(struct cgroup *cgrp, struct scx_cgroup_init_args *args) { return -EINVAL; }
static void cgroup_exit_stub(struct cgroup *cgrp) {}
static s32 cgroup_prep_move_stub(struct task_struct *p, struct cgroup *from, struct cgroup *to) { return -EINVAL; }
static void cgroup_move_stub(struct task_struct *p, struct cgroup *from, struct cgroup *to) {}
static void cgroup_cancel_move_stub(struct task_struct *p, struct cgroup *from, struct cgroup *to) {}
static void cgroup_set_weight_stub(struct cgroup *cgrp, u32 weight) {}
static s32 sched_ext_ops__cgroup_init(struct cgroup *cgrp, struct scx_cgroup_init_args *args) { return -EINVAL; }
static void sched_ext_ops__cgroup_exit(struct cgroup *cgrp) {}
static s32 sched_ext_ops__cgroup_prep_move(struct task_struct *p, struct cgroup *from, struct cgroup *to) { return -EINVAL; }
static void sched_ext_ops__cgroup_move(struct task_struct *p, struct cgroup *from, struct cgroup *to) {}
static void sched_ext_ops__cgroup_cancel_move(struct task_struct *p, struct cgroup *from, struct cgroup *to) {}
static void sched_ext_ops__cgroup_set_weight(struct cgroup *cgrp, u32 weight) {}
#endif
static void cpu_online_stub(s32 cpu) {}
static void cpu_offline_stub(s32 cpu) {}
static s32 init_stub(void) { return -EINVAL; }
static void exit_stub(struct scx_exit_info *info) {}
static void dump_stub(struct scx_dump_ctx *ctx) {}
static void dump_cpu_stub(struct scx_dump_ctx *ctx, s32 cpu, bool idle) {}
static void dump_task_stub(struct scx_dump_ctx *ctx, struct task_struct *p) {}
static void sched_ext_ops__cpu_online(s32 cpu) {}
static void sched_ext_ops__cpu_offline(s32 cpu) {}
static s32 sched_ext_ops__init(void) { return -EINVAL; }
static void sched_ext_ops__exit(struct scx_exit_info *info) {}
static void sched_ext_ops__dump(struct scx_dump_ctx *ctx) {}
static void sched_ext_ops__dump_cpu(struct scx_dump_ctx *ctx, s32 cpu, bool idle) {}
static void sched_ext_ops__dump_task(struct scx_dump_ctx *ctx, struct task_struct *p) {}
static struct sched_ext_ops __bpf_ops_sched_ext_ops = {
.select_cpu = select_cpu_stub,
.enqueue = enqueue_stub,
.dequeue = dequeue_stub,
.dispatch = dispatch_stub,
.tick = tick_stub,
.runnable = runnable_stub,
.running = running_stub,
.stopping = stopping_stub,
.quiescent = quiescent_stub,
.yield = yield_stub,
.core_sched_before = core_sched_before_stub,
.set_weight = set_weight_stub,
.set_cpumask = set_cpumask_stub,
.update_idle = update_idle_stub,
.cpu_acquire = cpu_acquire_stub,
.cpu_release = cpu_release_stub,
.init_task = init_task_stub,
.exit_task = exit_task_stub,
.enable = enable_stub,
.disable = disable_stub,
.select_cpu = sched_ext_ops__select_cpu,
.enqueue = sched_ext_ops__enqueue,
.dequeue = sched_ext_ops__dequeue,
.dispatch = sched_ext_ops__dispatch,
.tick = sched_ext_ops__tick,
.runnable = sched_ext_ops__runnable,
.running = sched_ext_ops__running,
.stopping = sched_ext_ops__stopping,
.quiescent = sched_ext_ops__quiescent,
.yield = sched_ext_ops__yield,
.core_sched_before = sched_ext_ops__core_sched_before,
.set_weight = sched_ext_ops__set_weight,
.set_cpumask = sched_ext_ops__set_cpumask,
.update_idle = sched_ext_ops__update_idle,
.cpu_acquire = sched_ext_ops__cpu_acquire,
.cpu_release = sched_ext_ops__cpu_release,
.init_task = sched_ext_ops__init_task,
.exit_task = sched_ext_ops__exit_task,
.enable = sched_ext_ops__enable,
.disable = sched_ext_ops__disable,
#ifdef CONFIG_EXT_GROUP_SCHED
.cgroup_init = cgroup_init_stub,
.cgroup_exit = cgroup_exit_stub,
.cgroup_prep_move = cgroup_prep_move_stub,
.cgroup_move = cgroup_move_stub,
.cgroup_cancel_move = cgroup_cancel_move_stub,
.cgroup_set_weight = cgroup_set_weight_stub,
.cgroup_init = sched_ext_ops__cgroup_init,
.cgroup_exit = sched_ext_ops__cgroup_exit,
.cgroup_prep_move = sched_ext_ops__cgroup_prep_move,
.cgroup_move = sched_ext_ops__cgroup_move,
.cgroup_cancel_move = sched_ext_ops__cgroup_cancel_move,
.cgroup_set_weight = sched_ext_ops__cgroup_set_weight,
#endif
.cpu_online = cpu_online_stub,
.cpu_offline = cpu_offline_stub,
.init = init_stub,
.exit = exit_stub,
.dump = dump_stub,
.dump_cpu = dump_cpu_stub,
.dump_task = dump_task_stub,
.cpu_online = sched_ext_ops__cpu_online,
.cpu_offline = sched_ext_ops__cpu_offline,
.init = sched_ext_ops__init,
.exit = sched_ext_ops__exit,
.dump = sched_ext_ops__dump,
.dump_cpu = sched_ext_ops__dump_cpu,
.dump_task = sched_ext_ops__dump_task,
};
static struct bpf_struct_ops bpf_sched_ext_ops = {