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This patchset adds:
- support to generate BTF ID lists that are resolved during
kernel linking and usable within kernel code with following
macros:
and access it in kernel code via:
extern u32 bpf_skb_output_btf_ids[];
- resolve_btfids tool that scans elf object for .BTF_ids
section and resolves its symbols with BTF ID values
- resolving of bpf_ctx_convert struct and several other
objects with BTF_ID_LIST
v7 changes:
- added more acks [Andrii]
- added some name-conflicting entries and fixed resolve_btfids
to process them properly [Andrii]
- changed bpf_get_task_stack_proto to use BTF_IDS_LIST/BTF_ID
macros [Andrii]
- fixed selftest build for resolve_btfids test
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