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| author | Ihor Solodrai <ihor.solodrai@linux.dev> | 2025-04-14 11:59:18 -0700 |
|---|---|---|
| committer | Martin KaFai Lau <martin.lau@kernel.org> | 2025-04-15 11:17:50 -0700 |
| commit | 21cb33c7e06533229df01c05248edbd23cefc89c (patch) | |
| tree | 7d3a69b31ca4502aca54c057ab47f30e4326bb6b | |
| parent | 7d0b43b68d1cd4256de60b73249397db3c4e16d6 (diff) | |
kbuild, bpf: Enable --btf_features=attributes
pahole v1.30 has a BTF encoding feature for arbitrary attributes, used
in particular for tagging bpf_arena_alloc_pages and
bpf_arena_free_pages BPF kfuncs [1][2].
Enable it for the kernel build.
[1] https://lore.kernel.org/bpf/20250130201239.1429648-1-ihor.solodrai@linux.dev/
[2] https://lore.kernel.org/bpf/20250228194654.1022535-1-ihor.solodrai@linux.dev/
Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Tested-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://patch.msgid.link/20250414185918.538195-1-ihor.solodrai@linux.dev
| -rw-r--r-- | scripts/Makefile.btf | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/scripts/Makefile.btf b/scripts/Makefile.btf index fbaaec2187e5..db76335dd917 100644 --- a/scripts/Makefile.btf +++ b/scripts/Makefile.btf @@ -23,6 +23,8 @@ else # Switch to using --btf_features for v1.26 and later. pahole-flags-$(call test-ge, $(pahole-ver), 126) = -j$(JOBS) --btf_features=encode_force,var,float,enum64,decl_tag,type_tag,optimized_func,consistent_func,decl_tag_kfuncs +pahole-flags-$(call test-ge, $(pahole-ver), 130) += --btf_features=attributes + ifneq ($(KBUILD_EXTMOD),) module-pahole-flags-$(call test-ge, $(pahole-ver), 128) += --btf_features=distilled_base endif |