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bpf: Document cfi_stubs and owner fields in struct bpf_struct_ops #10332

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bpf: Document cfi_stubs and owner fields in struct bpf_struct_ops #10332

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10 changes: 8 additions & 2 deletions include/linux/bpf.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1922,10 +1922,16 @@ struct btf_member;
* reason, if this callback is not defined, the check is skipped as
* the struct_ops map will have final verification performed in
* @reg.
* @type: BTF type.
* @value_type: Value type.
* @cfi_stubs: Pointer to a structure of stub functions for CFI. These stubs
* provide the correct Control Flow Integrity hashes for the
* trampolines generated by BPF struct_ops.
* @owner: The module that owns this struct_ops. Used for module reference
* counting to ensure the module providing the struct_ops cannot be
* unloaded while in use.
* @name: The name of the struct bpf_struct_ops object.
* @func_models: Func models
* @type: BTF type.
* @value_type: Value type.
* @type_id: BTF type id.
* @value_id: BTF value id.
*/
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