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SubjectRe: [PATCH v6 00/10] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS, export.h)
On Fri, May 13, 2022 at 8:42 PM Masahiro Yamada <masahiroy@kernel.org> wrote:
>
>
> This is the third batch of cleanups in this development cycle.
>


This series is available at
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
lto-cleanup-v6


>
> Changes in v6:
> - Fix false-positive warnings when CONFIG_TRIM_UNUSED_KSYMS=y
>
> Changes in v5:
> - Fix the build error when CONFIG_DEBUG_INFO_BTF=y (reported by Nathan)
> - Clean up arch/m68k/include/asm/export.h (Nick)
> - Keep gen_symversions (and will be removed by a later patch)
> - Add more comments in the script
>
> Changes in v4:
> - Rename .vmlinux-symver.c to .vmlinux.export.c
> because I notice this approach is useful for further cleanups,
> not only for modversioning but also for overall EXPORT_SYMBOL.
> - New patch
> - New.
> Resent of my previous submission.
> https://lore.kernel.org/all/20210831074004.3195284-10-masahiroy@kernel.org/
> - New
> Resent of my previous submission
> https://lore.kernel.org/linux-kbuild/20210831074004.3195284-11-masahiroy@kernel.org/
>
> Changes in v3:
> - New patch
>
> Changes in v2:
> - Simplify the implementation (parse .cmd files after ELF)
> - New patch
> - replace the chain of $(if ...) with $(and )
> - New patch
> - New patch
>
> Masahiro Yamada (10):
> 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/m68k/include/asm/Kbuild | 1 +
> arch/m68k/include/asm/export.h | 2 -
> 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 | 64 +++++++++
> scripts/genksyms/genksyms.c | 18 +--
> scripts/link-vmlinux.sh | 33 ++---
> scripts/mod/modpost.c | 236 +++++++++++++++++++++-----------
> 19 files changed, 320 insertions(+), 284 deletions(-)
> delete mode 100644 arch/m68k/include/asm/export.h
> create mode 100644 include/linux/export-internal.h
> create mode 100755 scripts/check-local-export
>
> --
> 2.32.0
>


--
Best Regards
Masahiro Yamada

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