Pu Lehui 1ffe30efd2 kbuild, bpf: Correct pahole version that supports distilled base btf feature
pahole commit [0] of supporting distilled base btf feature released on
pahole v1.28 rather than v1.26. So let's correct this.

Signed-off-by: Pu Lehui <pulehui@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://git.kernel.org/pub/scm/devel/pahole/pahole.git/commit/?id=c7b1f6a29ba1 [0]
Link: https://lore.kernel.org/bpf/20250219063113.706600-1-pulehui@huaweicloud.com
2025-02-24 14:14:52 -08:00

36 lines
1.1 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0
pahole-ver := $(CONFIG_PAHOLE_VERSION)
pahole-flags-y :=
JOBS := $(patsubst -j%,%,$(filter -j%,$(MAKEFLAGS)))
ifeq ($(call test-le, $(pahole-ver), 125),y)
# pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars
ifeq ($(call test-le, $(pahole-ver), 121),y)
pahole-flags-$(call test-ge, $(pahole-ver), 118) += --skip_encoding_btf_vars
endif
pahole-flags-$(call test-ge, $(pahole-ver), 121) += --btf_gen_floats
pahole-flags-$(call test-ge, $(pahole-ver), 122) += -j$(JOBS)
pahole-flags-$(call test-ge, $(pahole-ver), 125) += --skip_encoding_btf_inconsistent_proto --btf_gen_optimized
else
# Switch to using --btf_features for v1.26 and later.
pahole-flags-$(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
ifneq ($(KBUILD_EXTMOD),)
module-pahole-flags-$(call test-ge, $(pahole-ver), 128) += --btf_features=distilled_base
endif
endif
pahole-flags-$(CONFIG_PAHOLE_HAS_LANG_EXCLUDE) += --lang_exclude=rust
export PAHOLE_FLAGS := $(pahole-flags-y)
export MODULE_PAHOLE_FLAGS := $(module-pahole-flags-y)