selftests/bpf: Mark cpumask kfunc declarations as __weak

After the series "Annotate kfuncs in .BTF_ids section"[0], kfuncs can be
generated from bpftool. Let's mark the existing cpumask kfunc declarations
__weak so they don't conflict with definitions that will eventually come
from vmlinux.h.

[0]. https://lore.kernel.org/all/cover.1706491398.git.dxu@dxuuu.xyz

Suggested-by: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Daniel Xu <dxu@dxuuu.xyz>
Link: https://lore.kernel.org/bpf/20240206081416.26242-5-laoar.shao@gmail.com
This commit is contained in:
Yafang Shao 2024-02-06 16:14:15 +08:00 committed by Andrii Nakryiko
parent a2bff65cfc
commit ba6a6abb3b

View File

@ -23,41 +23,42 @@ struct array_map {
__uint(max_entries, 1);
} __cpumask_map SEC(".maps");
struct bpf_cpumask *bpf_cpumask_create(void) __ksym;
void bpf_cpumask_release(struct bpf_cpumask *cpumask) __ksym;
struct bpf_cpumask *bpf_cpumask_acquire(struct bpf_cpumask *cpumask) __ksym;
u32 bpf_cpumask_first(const struct cpumask *cpumask) __ksym;
u32 bpf_cpumask_first_zero(const struct cpumask *cpumask) __ksym;
struct bpf_cpumask *bpf_cpumask_create(void) __ksym __weak;
void bpf_cpumask_release(struct bpf_cpumask *cpumask) __ksym __weak;
struct bpf_cpumask *bpf_cpumask_acquire(struct bpf_cpumask *cpumask) __ksym __weak;
u32 bpf_cpumask_first(const struct cpumask *cpumask) __ksym __weak;
u32 bpf_cpumask_first_zero(const struct cpumask *cpumask) __ksym __weak;
u32 bpf_cpumask_first_and(const struct cpumask *src1,
const struct cpumask *src2) __ksym;
void bpf_cpumask_set_cpu(u32 cpu, struct bpf_cpumask *cpumask) __ksym;
void bpf_cpumask_clear_cpu(u32 cpu, struct bpf_cpumask *cpumask) __ksym;
bool bpf_cpumask_test_cpu(u32 cpu, const struct cpumask *cpumask) __ksym;
bool bpf_cpumask_test_and_set_cpu(u32 cpu, struct bpf_cpumask *cpumask) __ksym;
bool bpf_cpumask_test_and_clear_cpu(u32 cpu, struct bpf_cpumask *cpumask) __ksym;
void bpf_cpumask_setall(struct bpf_cpumask *cpumask) __ksym;
void bpf_cpumask_clear(struct bpf_cpumask *cpumask) __ksym;
const struct cpumask *src2) __ksym __weak;
void bpf_cpumask_set_cpu(u32 cpu, struct bpf_cpumask *cpumask) __ksym __weak;
void bpf_cpumask_clear_cpu(u32 cpu, struct bpf_cpumask *cpumask) __ksym __weak;
bool bpf_cpumask_test_cpu(u32 cpu, const struct cpumask *cpumask) __ksym __weak;
bool bpf_cpumask_test_and_set_cpu(u32 cpu, struct bpf_cpumask *cpumask) __ksym __weak;
bool bpf_cpumask_test_and_clear_cpu(u32 cpu, struct bpf_cpumask *cpumask) __ksym __weak;
void bpf_cpumask_setall(struct bpf_cpumask *cpumask) __ksym __weak;
void bpf_cpumask_clear(struct bpf_cpumask *cpumask) __ksym __weak;
bool bpf_cpumask_and(struct bpf_cpumask *cpumask,
const struct cpumask *src1,
const struct cpumask *src2) __ksym;
const struct cpumask *src2) __ksym __weak;
void bpf_cpumask_or(struct bpf_cpumask *cpumask,
const struct cpumask *src1,
const struct cpumask *src2) __ksym;
const struct cpumask *src2) __ksym __weak;
void bpf_cpumask_xor(struct bpf_cpumask *cpumask,
const struct cpumask *src1,
const struct cpumask *src2) __ksym;
bool bpf_cpumask_equal(const struct cpumask *src1, const struct cpumask *src2) __ksym;
bool bpf_cpumask_intersects(const struct cpumask *src1, const struct cpumask *src2) __ksym;
bool bpf_cpumask_subset(const struct cpumask *src1, const struct cpumask *src2) __ksym;
bool bpf_cpumask_empty(const struct cpumask *cpumask) __ksym;
bool bpf_cpumask_full(const struct cpumask *cpumask) __ksym;
void bpf_cpumask_copy(struct bpf_cpumask *dst, const struct cpumask *src) __ksym;
u32 bpf_cpumask_any_distribute(const struct cpumask *src) __ksym;
u32 bpf_cpumask_any_and_distribute(const struct cpumask *src1, const struct cpumask *src2) __ksym;
u32 bpf_cpumask_weight(const struct cpumask *cpumask) __ksym;
const struct cpumask *src2) __ksym __weak;
bool bpf_cpumask_equal(const struct cpumask *src1, const struct cpumask *src2) __ksym __weak;
bool bpf_cpumask_intersects(const struct cpumask *src1, const struct cpumask *src2) __ksym __weak;
bool bpf_cpumask_subset(const struct cpumask *src1, const struct cpumask *src2) __ksym __weak;
bool bpf_cpumask_empty(const struct cpumask *cpumask) __ksym __weak;
bool bpf_cpumask_full(const struct cpumask *cpumask) __ksym __weak;
void bpf_cpumask_copy(struct bpf_cpumask *dst, const struct cpumask *src) __ksym __weak;
u32 bpf_cpumask_any_distribute(const struct cpumask *src) __ksym __weak;
u32 bpf_cpumask_any_and_distribute(const struct cpumask *src1,
const struct cpumask *src2) __ksym __weak;
u32 bpf_cpumask_weight(const struct cpumask *cpumask) __ksym __weak;
void bpf_rcu_read_lock(void) __ksym;
void bpf_rcu_read_unlock(void) __ksym;
void bpf_rcu_read_lock(void) __ksym __weak;
void bpf_rcu_read_unlock(void) __ksym __weak;
static inline const struct cpumask *cast(struct bpf_cpumask *cpumask)
{