This patch set refactors modpost first to make it easier to add new code. My goals: - Refactors EXPORT_SYMBOL, <linux/export.h> and <asm/export.h>. You can still put EXPORT_SYMBOL() in *.S file, very close to the definition, but you do not need to care about whether it is a function or a data. This removes EXPORT_DATA_SYMBOL(). - Re-implement TRIM_UNUSED_KSYMS in one-pass. This makes the building faster. - Move the static EXPORT_SYMBOL check to modpost. This also makes the building faster. This patch set is applicable to git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kbuild Previous version v5: https://lore.kernel.org/linux-kbuild/CAK7LNARBiOywrMLbR=9N35sk19U0QM3xcPy7d1WqV-eyb4W23w@xxxxxxxxxxxxxx/T/#t v4: https://lore.kernel.org/linux-kbuild/CAK7LNASDzy9RERN6+q6WgR4ROYZQue=SBqgbcoYuVePByHtk6Q@xxxxxxxxxxxxxx/T/#t v3: https://lore.kernel.org/all/20220928063947.299333-1-masahiroy@xxxxxxxxxx/ Masahiro Yamada (20): Revert "modpost: skip ELF local symbols during section mismatch check" modpost: fix section mismatch message for R_ARM_ABS32 modpost: detect section mismatch for R_ARM_MOVW_ABS_NC and R_ARM_MOVT_ABS modpost: remove unused argument from secref_whitelist() modpost: refactor find_fromsym() and find_tosym() modpost: unify 'sym' and 'to' in default_mismatch_handler() modpost: replace r->r_offset, r->r_addend with faddr, taddr modpost: remove is_shndx_special() check from section_rel(a) modpost: pass struct module pointer to check_section_mismatch() kbuild: generate KSYMTAB entries by modpost ia64,export.h: replace EXPORT_DATA_SYMBOL* with EXPORT_SYMBOL* modpost: check static EXPORT_SYMBOL* by modpost again modpost: squash sym_update_namespace() into sym_add_exported() modpost: use null string instead of NULL pointer for default namespace kbuild: implement CONFIG_TRIM_UNUSED_KSYMS without recursion modpost: merge fromsec=DATA_SECTIONS entries in sectioncheck table modpost: merge bad_tosec=ALL_EXIT_SECTIONS entries in sectioncheck table modpost: remove *_sections[] arrays modpost: merge two similar section mismatch warnings modpost: show offset from symbol for section mismatch warnings .gitignore | 1 - Makefile | 19 +- arch/ia64/include/asm/Kbuild | 1 + arch/ia64/include/asm/export.h | 3 - arch/ia64/kernel/head.S | 2 +- arch/ia64/kernel/ivt.S | 2 +- arch/um/os-Linux/user_syms.c | 9 +- include/asm-generic/export.h | 83 +----- include/asm-generic/vmlinux.lds.h | 1 + include/linux/export-internal.h | 49 ++++ include/linux/export.h | 119 ++------ include/linux/pm.h | 8 +- kernel/module/internal.h | 12 + scripts/Makefile.build | 19 +- scripts/Makefile.modpost | 7 + scripts/adjust_autoksyms.sh | 73 ----- scripts/basic/fixdep.c | 3 +- scripts/check-local-export | 70 ----- scripts/gen_ksymdeps.sh | 30 -- scripts/mod/modpost.c | 454 +++++++++++++++--------------- scripts/mod/modpost.h | 6 +- scripts/remove-stale-files | 2 + 22 files changed, 345 insertions(+), 628 deletions(-) delete mode 100644 arch/ia64/include/asm/export.h delete mode 100755 scripts/adjust_autoksyms.sh delete mode 100755 scripts/check-local-export delete mode 100755 scripts/gen_ksymdeps.sh -- 2.39.2
