On Mon, May 9, 2022 at 4:09 AM Masahiro Yamada [off-list ref] wrote:

This is the third batch of cleanups in this development cycle.

Major changes in v4:
 - Move static EXPORT_SYMBOL check to a script
 - Some refactoring

Major changes in v3:

 - Generate symbol CRCs as C code, and remove CONFIG_MODULE_REL_CRCS.

Major changes in v2:

 - V1 did not work with CONFIG_MODULE_REL_CRCS.
   I fixed this for v2.

 - Reflect some review comments in v1

 - Refactor the code more

 - Avoid too long argument error

This series is available at
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
lto-cleanup-v4

Masahiro Yamada (14):
  modpost: remove left-over cross_compile declaration
  modpost: change the license of EXPORT_SYMBOL to bool type
  modpost: split the section mismatch checks into section-check.c
  modpost: add sym_find_with_module() helper
  modpost: extract symbol versions from *.cmd files
  kbuild: link symbol CRCs at final link, removing
    CONFIG_MODULE_REL_CRCS
  kbuild: stop merging *.symversions
  genksyms: adjust the output format to modpost
  kbuild: do not create *.prelink.o for Clang LTO or IBT
  kbuild: check static EXPORT_SYMBOL* by script instead of modpost
  kbuild: make built-in.a rule robust against too long argument error
  kbuild: make *.mod rule robust against too long argument error
  kbuild: add cmd_and_savecmd macro
  kbuild: rebuild multi-object modules when objtool is updated

 arch/powerpc/Kconfig            |    1 -
 arch/s390/Kconfig               |    1 -
 arch/um/Kconfig                 |    1 -
 include/asm-generic/export.h    |   22 +-
 include/linux/export-internal.h |   16 +
 include/linux/export.h          |   30 +-
 init/Kconfig                    |    4 -
 kernel/module.c                 |   10 +-
 scripts/Kbuild.include          |   10 +-
 scripts/Makefile.build          |  134 +--
 scripts/Makefile.lib            |    7 -
 scripts/Makefile.modfinal       |    5 +-
 scripts/Makefile.modpost        |    9 +-
 scripts/check-local-export      |   48 +
 scripts/genksyms/genksyms.c     |   18 +-
 scripts/link-vmlinux.sh         |   33 +-
 scripts/mod/Makefile            |    2 +-
 scripts/mod/modpost.c           | 1499 ++++---------------------------
 scripts/mod/modpost.h           |   35 +-
 scripts/mod/section-check.c     | 1222 +++++++++++++++++++++++++
 20 files changed, 1551 insertions(+), 1556 deletions(-)
 create mode 100644 include/linux/export-internal.h
 create mode 100755 scripts/check-local-export
 create mode 100644 scripts/mod/section-check.c

--
2.32.0

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-- 
Best Regards
Masahiro Yamada