Re: [PATCH] modpost: remove leftover symbol prefix handling for module device table
From: Masahiro Yamada
Date: Sat Sep 29 2018 - 12:45:25 EST
2018å9æ29æ(å) 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