Re: [PATCH] modpost: remove leftover symbol prefix handling for module device table

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2018年9月29日(土) 16:01 Rusty Russell <rusty@xxxxxxxxxxxxxxx>:
>
> Please send this to the module maintainer (CC'd).


I just sent this to Kbuild ML
since scripts/mod/ is listed in the Kbuild part.

Next time, I will try my best to remember
to CC the module maintainer.

Reviewed-by tags are appreciated.



KERNEL BUILD + files below scripts/ (unless maintained elsewhere)
M:      Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
M:      Michal Marek <michal.lkml@xxxxxxxxxxx>
T:      git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git
L:      linux-kbuild@xxxxxxxxxxxxxxx
S:      Maintained
F:      Documentation/kbuild/
F:      Makefile
F:      scripts/Kbuild*
F:      scripts/Makefile*
F:      scripts/basic/
F:      scripts/mk*
F:      scripts/mod/
F:      scripts/package/






> Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> writes:
> > Blackfin and metag were the only architectures that prefix symbols with
> > an underscore.  They were removed by commit 4ba66a976072 ("arch: remove
> > blackfin port"), commit bb6fb6dfcc17 ("metag: Remove arch/metag/"),
> > respectively.
> >
> > It is no longer necessary to handle <prefix> part of module device
> > table symbols.
> >
> > Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> > ---
> >
> >  scripts/mod/file2alias.c | 7 +++----
> >  1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
> > index 7be4369..ba4ebc4 100644
> > --- a/scripts/mod/file2alias.c
> > +++ b/scripts/mod/file2alias.c
> > @@ -1415,11 +1415,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
> >       if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT)
> >               return;
> >
> > -     /* All our symbols are of form <prefix>__mod_<name>__<identifier>_device_table. */
> > -     name = strstr(symname, "__mod_");
> > -     if (!name)
> > +     /* All our symbols are of form __mod_<name>__<identifier>_device_table. */
> > +     if (strncmp(symname, "__mod_", strlen("__mod_")))
> >               return;
> > -     name += strlen("__mod_");
> > +     name = symname + strlen("__mod_");
> >       namelen = strlen(name);
> >       if (namelen < strlen("_device_table"))
> >               return;
> > --
> > 2.7.4



-- 
Best Regards
Masahiro Yamada




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