linux-kernel - Re: [PATCH v2 00/26] kbuild: yet another series of cleanups (modpost and LTO)

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Message-ID: <CAK7LNASYKttAZMnirt-aVSJqbgY1Cagj3URstv-9zs+-RKDi8g@mail.gmail.com>
Date:   Sun, 1 May 2022 21:23:54 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        clang-built-linux <llvm@...ts.linux.dev>
Subject: Re: [PATCH v2 00/26] kbuild: yet another series of cleanups (modpost
 and LTO)

On Sun, May 1, 2022 at 5:42 PM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
>
> This is the third batch of cleanups in this development cycle.
>
> 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-v2







>
> Masahiro Yamada (26):
>   modpost: use bool type where appropriate
>   modpost: change mod->gpl_compatible to bool type
>   modpost: import include/linux/list.h
>   modpost: traverse modules in order
>   modpost: add sym_add_unresolved() helper
>   modpost: traverse unresolved symbols in order
>   modpost: use doubly linked list for dump_lists
>   modpost: traverse the namespace_list in order
>   modpost: dump Module.symvers in the same order of modules.order
>   modpost: move static EXPORT_SYMBOL check to check_exports()
>   modpost: make multiple export error
>   modpost: make sym_add_exported() always allocate a new symbol
>   modpost: split new_symbol() to symbol allocation and hash table
>     addition
>   modpost: mitigate false-negatives for static EXPORT_SYMBOL checks
>   kbuild: record symbol versions in *.cmd files
>   kbuild: generate a list of objects in vmlinux
>   modpost: extract symbol versions from *.cmd files
>   modpost: generate linker script to collect symbol versions
>   kbuild: embed symbol versions at final link of vmlinux or modules
>   kbuild: stop merging *.symversions
>   genksyms: adjust the output format for .cmd files
>   kbuild: do not create *.prelink.o for Clang LTO or IBT
>   kbuild: make built-in.a rule robust against too long argument error
>   kbuild: make *.mod rule robust against too long argument error
>   modpost: simplify the ->is_static initialization
>   modpost: use hlist for hash table implementation
>
>  .gitignore                  |   1 +
>  Makefile                    |   1 +
>  scripts/Kbuild.include      |   4 +
>  scripts/Makefile.build      | 118 +++------
>  scripts/Makefile.lib        |   7 -
>  scripts/Makefile.modfinal   |   6 +-
>  scripts/Makefile.modpost    |  10 +-
>  scripts/genksyms/genksyms.c |  17 +-
>  scripts/link-vmlinux.sh     |  34 +--
>  scripts/mod/file2alias.c    |   2 -
>  scripts/mod/list.h          | 265 +++++++++++++++++++
>  scripts/mod/modpost.c       | 501 ++++++++++++++++++++++--------------
>  scripts/mod/modpost.h       |  24 +-
>  scripts/mod/sumversion.c    |   8 +-
>  14 files changed, 650 insertions(+), 348 deletions(-)
>  create mode 100644 scripts/mod/list.h
>
> --
> 2.32.0
>


-- 
Best Regards
Masahiro Yamada