linux-kernel - Re: [PATCH v5 00/12] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL

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Date:   Fri, 13 May 2022 20:19:50 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-modules <linux-modules@...r.kernel.org>,
        clang-built-linux <llvm@...ts.linux.dev>,
        Ard Biesheuvel <ardb@...nel.org>,
        Sami Tolvanen <samitolvanen@...gle.com>
Subject: Re: [PATCH v5 00/12] kbuild: yet another series of cleanups (modpost,
 LTO, MODULE_REL_CRCS, export.h)

On Fri, May 13, 2022 at 8:18 PM Masahiro Yamada <masahiroy@...nel.org> wrote:
>
> On Thu, May 12, 2022 at 5:04 AM Nathan Chancellor <nathan@...nel.org> wrote:
> >
> > Hi Masahiro,
> >
> > On Thu, May 12, 2022 at 01:45:02AM +0900, Masahiro Yamada wrote:
> > >
> > > This is the third batch of cleanups in this development cycle.
> > >
> > > Major changes in v5:
> > >  - Fix build errors
> > >  - More cleanups
> > >
> > > 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
> > >
> > >
> > >
> > > Masahiro Yamada (12):
> > >   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
> >

The first two applied.

I will send v6 for the rest.






-- 
Best Regards
Masahiro Yamada