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kbuild: Require pahole <v1.28 or >v1.29 with GENDWARFKSYMS on X86 #68

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kbuild: Require pahole <v1.28 or >v1.29 with GENDWARFKSYMS on X86 #68

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5 changes: 5 additions & 0 deletions kernel/module/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -192,6 +192,11 @@ config GENDWARFKSYMS
depends on !DEBUG_INFO_REDUCED && !DEBUG_INFO_SPLIT
# Requires ELF object files.
depends on !LTO
# To avoid conflicts with the discarded __gendwarfksyms_ptr symbols on
# X86, requires pahole before commit 47dcb534e253 ("btf_encoder: Stop
# indexing symbols for VARs") or after commit 9810758003ce ("btf_encoder:
# Verify 0 address DWARF variables are in ELF section").
depends on !X86 || !DEBUG_INFO_BTF || PAHOLE_VERSION < 128 || PAHOLE_VERSION > 129
help
Calculate symbol versions from DWARF debugging information using
gendwarfksyms. Requires DEBUG_INFO to be enabled.
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