On 2/28/25 11:46 AM, Ihor Solodrai wrote: > This patch series implements emitting appropriate BTF type tags for > argument and return types of kfuncs marked with KF_ARENA_* flags. > > For additional context see the description of BPF patch > "bpf: define KF_ARENA_* flags for bpf_arena kfuncs" [1]. > > The feature depends on recent changes in libbpf [2]. > > [1] https://lore.kernel.org/bpf/20250206003148.2308659-1-ihor.solodrai@xxxxxxxxx/ > [2] https://lore.kernel.org/bpf/20250130201239.1429648-1-ihor.solodrai@xxxxxxxxx/ > > v3->v4: > * Add a patch (#2) replacing compile-time libbpf version checks with > runtime checks for symbol availablility > * Add a patch (#3) bumping libbpf submodule commit to latest master > * Modify "btf_encoder: emit type tags for bpf_arena pointers" > (#2->#4) to not use compile time libbpf version checks > > v2->v3: > * Nits in patch #1 > > v1->v2: > * Rewrite patch #1 refactoring btf_encoder__tag_kfuncs(): now the > post-processing step is removed entirely, and kfuncs are tagged in > btf_encoder__add_func(). > * Nits and renames in patch #2 > * Add patch #4 editing man pages > > v2: https://lore.kernel.org/dwarves/20250212201552.1431219-1-ihor.solodrai@xxxxxxxxx/ > v1: https://lore.kernel.org/dwarves/20250207021442.155703-1-ihor.solodrai@xxxxxxxxx/ > > Ihor Solodrai (6): > btf_encoder: refactor btf_encoder__tag_kfuncs() > btf_encoder: use __weak declarations of version-dependent libbpf API > pahole: sync with libbpf mainline > btf_encoder: emit type tags for bpf_arena pointers > pahole: introduce --btf_feature=attributes > man-pages: describe attributes and remove reproducible_build Hi Alan, Arnaldo. This series hasn't received any comments in a while. Do you plan to review/land this? Thanks. > > btf_encoder.c | 328 ++++++++++++++++++++++----------------------- > dwarves.h | 13 +- > lib/bpf | 2 +- > man-pages/pahole.1 | 7 +- > pahole.c | 11 +- > 5 files changed, 188 insertions(+), 173 deletions(-) >
