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authorIhor Solodrai <ihor.solodrai@linux.dev>2025-12-19 10:18:23 -0800
committerAndrii Nakryiko <andrii@kernel.org>2025-12-19 10:55:40 -0800
commit903922cfa0e60573234ff895974c23a000035258 (patch)
tree3303082ce4b50937909c5e4587145c6a4e1a535b /lib
parent90e5b38a26529391da2d851a9cc5eb9de2ec35ca (diff)
lib/Kconfig.debug: Set the minimum required pahole version to v1.22
Subsequent patches in the series change vmlinux linking scripts to unconditionally pass --btf_encode_detached to pahole, which was introduced in v1.22 [1][2]. This change allows to remove PAHOLE_HAS_SPLIT_BTF Kconfig option and other checks of older pahole versions. [1] https://github.com/acmel/dwarves/releases/tag/v1.22 [2] https://lore.kernel.org/bpf/cbafbf4e-9073-4383-8ee6-1353f9e5869c@oracle.com/ Signed-off-by: Ihor Solodrai <ihor.solodrai@linux.dev> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Tested-by: Alan Maguire <alan.maguire@oracle.com> Acked-by: Eduard Zingerman <eddyz87@gmail.com> Acked-by: Nicolas Schier <nsc@kernel.org> Link: https://lore.kernel.org/bpf/20251219181825.1289460-1-ihor.solodrai@linux.dev
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug13
1 files changed, 4 insertions, 9 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ba36939fda79..60281c4f9e99 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -388,18 +388,13 @@ config DEBUG_INFO_BTF
depends on !DEBUG_INFO_SPLIT && !DEBUG_INFO_REDUCED
depends on !GCC_PLUGIN_RANDSTRUCT || COMPILE_TEST
depends on BPF_SYSCALL
- depends on PAHOLE_VERSION >= 116
- depends on DEBUG_INFO_DWARF4 || PAHOLE_VERSION >= 121
+ depends on PAHOLE_VERSION >= 122
# pahole uses elfutils, which does not have support for Hexagon relocations
depends on !HEXAGON
help
Generate deduplicated BTF type information from DWARF debug info.
- Turning this on requires pahole v1.16 or later (v1.21 or later to
- support DWARF 5), which will convert DWARF type info into equivalent
- deduplicated BTF type info.
-
-config PAHOLE_HAS_SPLIT_BTF
- def_bool PAHOLE_VERSION >= 119
+ Turning this on requires pahole v1.22 or later, which will convert
+ DWARF type info into equivalent deduplicated BTF type info.
config PAHOLE_HAS_BTF_TAG
def_bool PAHOLE_VERSION >= 123
@@ -421,7 +416,7 @@ config PAHOLE_HAS_LANG_EXCLUDE
config DEBUG_INFO_BTF_MODULES
bool "Generate BTF type information for kernel modules"
default y
- depends on DEBUG_INFO_BTF && MODULES && PAHOLE_HAS_SPLIT_BTF
+ depends on DEBUG_INFO_BTF && MODULES
help
Generate compact split BTF type information for kernel modules.