| /linux-6.15/net/netfilter/ |
| H A D | nf_conntrack_bpf.c | 513 BTF_ID_FLAGS(func, bpf_xdp_ct_alloc, KF_ACQUIRE | KF_RET_NULL) 514 BTF_ID_FLAGS(func, bpf_xdp_ct_lookup, KF_ACQUIRE | KF_RET_NULL) 515 BTF_ID_FLAGS(func, bpf_skb_ct_alloc, KF_ACQUIRE | KF_RET_NULL) 516 BTF_ID_FLAGS(func, bpf_skb_ct_lookup, KF_ACQUIRE | KF_RET_NULL) 517 BTF_ID_FLAGS(func, bpf_ct_insert_entry, KF_ACQUIRE | KF_RET_NULL | KF_RELEASE)
|
| /linux-6.15/kernel/sched/ |
| H A D | ext_idle.c | 1133 BTF_ID_FLAGS(func, scx_bpf_get_idle_cpumask_node, KF_ACQUIRE) 1134 BTF_ID_FLAGS(func, scx_bpf_get_idle_cpumask, KF_ACQUIRE) 1135 BTF_ID_FLAGS(func, scx_bpf_get_idle_smtmask_node, KF_ACQUIRE) 1136 BTF_ID_FLAGS(func, scx_bpf_get_idle_smtmask, KF_ACQUIRE)
|
| H A D | ext.c | 7375 BTF_ID_FLAGS(func, scx_bpf_get_possible_cpumask, KF_ACQUIRE) 7376 BTF_ID_FLAGS(func, scx_bpf_get_online_cpumask, KF_ACQUIRE) 7382 BTF_ID_FLAGS(func, scx_bpf_task_cgroup, KF_RCU | KF_ACQUIRE)
|
| /linux-6.15/kernel/bpf/ |
| H A D | cpumask.c | 478 BTF_ID_FLAGS(func, bpf_cpumask_create, KF_ACQUIRE | KF_RET_NULL) 480 BTF_ID_FLAGS(func, bpf_cpumask_acquire, KF_ACQUIRE | KF_TRUSTED_ARGS)
|
| H A D | helpers.c | 3203 BTF_ID_FLAGS(func, bpf_obj_new_impl, KF_ACQUIRE | KF_RET_NULL) 3204 BTF_ID_FLAGS(func, bpf_percpu_obj_new_impl, KF_ACQUIRE | KF_RET_NULL) 3210 BTF_ID_FLAGS(func, bpf_list_pop_front, KF_ACQUIRE | KF_RET_NULL) 3211 BTF_ID_FLAGS(func, bpf_list_pop_back, KF_ACQUIRE | KF_RET_NULL) 3212 BTF_ID_FLAGS(func, bpf_task_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL) 3214 BTF_ID_FLAGS(func, bpf_rbtree_remove, KF_ACQUIRE | KF_RET_NULL) 3219 BTF_ID_FLAGS(func, bpf_cgroup_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL) 3221 BTF_ID_FLAGS(func, bpf_cgroup_ancestor, KF_ACQUIRE | KF_RCU | KF_RET_NULL) 3222 BTF_ID_FLAGS(func, bpf_cgroup_from_id, KF_ACQUIRE | KF_RET_NULL) 3226 BTF_ID_FLAGS(func, bpf_task_from_pid, KF_ACQUIRE | KF_RET_NULL) [all …]
|
| H A D | crypto.c | 349 BTF_ID_FLAGS(func, bpf_crypto_ctx_create, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE) 351 BTF_ID_FLAGS(func, bpf_crypto_ctx_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL)
|
| H A D | verifier.c | 11791 return meta->kfunc_flags & KF_ACQUIRE; in is_kfunc_acquire()
|
| /linux-6.15/net/xfrm/ |
| H A D | xfrm_state_bpf.c | 121 BTF_ID_FLAGS(func, bpf_xdp_get_xfrm_state, KF_RET_NULL | KF_ACQUIRE)
|
| /linux-6.15/tools/testing/selftests/bpf/test_kmods/ |
| H A D | bpf_testmod.c | 615 BTF_ID_FLAGS(func, bpf_kfunc_nested_acquire_nonzero_offset_test, KF_ACQUIRE) 616 BTF_ID_FLAGS(func, bpf_kfunc_nested_acquire_zero_offset_test, KF_ACQUIRE) 622 BTF_ID_FLAGS(func, bpf_testmod_ctx_create, KF_ACQUIRE | KF_RET_NULL) 1065 BTF_ID_FLAGS(func, bpf_kfunc_call_test_acquire, KF_ACQUIRE | KF_RET_NULL) in BTF_ID_FLAGS() 1066 BTF_ID_FLAGS(func, bpf_kfunc_call_memb_acquire, KF_ACQUIRE | KF_RET_NULL) in BTF_ID_FLAGS() 1070 BTF_ID_FLAGS(func, bpf_kfunc_call_test_acq_rdonly_mem, KF_ACQUIRE | KF_RET_NULL) in BTF_ID_FLAGS()
|
| /linux-6.15/Documentation/bpf/ |
| H A D | kfuncs.rst | 181 BTF_ID_FLAGS(func, bpf_get_task_pid, KF_ACQUIRE | KF_RET_NULL) 202 2.4.1 KF_ACQUIRE flag 205 The KF_ACQUIRE flag is used to indicate that the kfunc returns a pointer to a 218 another helper). This flag is often used in pairing with KF_ACQUIRE flag, but 242 2. Pointers which were returned from a KF_ACQUIRE kfunc. 317 consider doing refcnt != 0 check, especially when returning a KF_ACQUIRE 318 pointer. Note as well that a KF_ACQUIRE kfunc that is KF_RCU should very likely 351 BTF_ID_FLAGS(func, bpf_get_task_pid, KF_ACQUIRE | KF_RET_NULL)
|
| /linux-6.15/fs/ |
| H A D | bpf_fs_kfuncs.c | 329 KF_ACQUIRE | KF_TRUSTED_ARGS | KF_RET_NULL)
|
| /linux-6.15/drivers/hid/bpf/ |
| H A D | hid_bpf_dispatch.c | 574 BTF_ID_FLAGS(func, hid_bpf_allocate_context, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE) 589 BTF_ID_FLAGS(func, hid_bpf_allocate_context, KF_ACQUIRE | KF_RET_NULL)
|
| /linux-6.15/include/linux/ |
| H A D | btf.h | 18 #define KF_ACQUIRE (1 << 0) /* kfunc is an acquire function */ macro
|
| /linux-6.15/kernel/trace/ |
| H A D | bpf_trace.c | 1405 BTF_ID_FLAGS(func, bpf_lookup_user_key, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE) 1406 BTF_ID_FLAGS(func, bpf_lookup_system_key, KF_ACQUIRE | KF_RET_NULL)
|