| Function report | 
| Source Code: include\linux\bpf.h | Create Date:2022-07-28 05:54:38 | 
| Last Modify:2020-03-12 14:18:49 | Copyright©Brick | 
| home page | Tree | 
| Annotation kernel can get tool activity | Download SCCT | Chinese | 
Name:map_value_has_spin_lock
Proto:static inline bool map_value_has_spin_lock(const struct bpf_map *map)
Type:bool
Parameter:
| Type | Parameter | Name | 
|---|---|---|
| const struct bpf_map * | map | 
| 125 | Return >=0 valid offset, <0 error >= 0 | 
| Name | Describe | 
|---|---|
| bpf_map_mmap | |
| map_check_btf | |
| map_lookup_elem | |
| map_update_elem | |
| reg_may_point_to_spin_lock | |
| check_map_access | heck read/write into a map element with possible variable offset | 
| process_spin_lock | Implementation details:* bpf_map_lookup returns PTR_TO_MAP_VALUE_OR_NULL* Two bpf_map_lookups (even with the same key) will have different reg->id | 
| check_helper_call | |
| check_ld_imm | verify BPF_LD_IMM64 instruction | 
| check_map_prog_compatibility | |
| htab_map_update_elem | Called from syscall or from eBPF program | 
| array_map_update_elem | Called from syscall or from eBPF program | 
| bpf_map_meta_alloc | |
| cgroup_storage_update_elem | 
| Source code conversion tool public plug-in interface | X | 
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