On Sat, Feb 27, 2021 at 7:55 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
>
> On Fri, Feb 26, 2021 at 6:26 PM Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
> >
> > On Fri, Feb 26, 2021 at 7:26 AM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:
> > >
> > > Commit fbe078d397b4 ("kbuild: lto: add a default list of used symbols")
> > > does not work as expected if the .config file has already specified
> > > CONFIG_UNUSED_KSYMS_WHITELIST="my/own/white/list" before enabling
> > > CONFIG_LTO_CLANG.
> > >
> > > So, the user-supplied whitelist and LTO-specific white list must be
> > > independent of each other.
> > >
> > > I refactored the shell script so CONFIG_MODVERSIONS and CONFIG_CLANG_LTO
> > > handle whitelists in the same way.
> > >
> > > Fixes: fbe078d397b4 ("kbuild: lto: add a default list of used symbols")
> > > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > > ---
> > >
> > > Changes in v2:
> > > - Rebase on top of Arnd's patch:
> > > https://lore.kernel.org/lkml/20210225143456.3829513-1-arnd@xxxxxxxxxx/
> > >
> > > init/Kconfig | 1 -
> > > scripts/gen_autoksyms.sh | 35 ++++++++++++++++++++++++---------
> > > scripts/lto-used-symbollist.txt | 6 ------
> >
> > People who want to use their own "white-listed" (allow-listed)
> > symbollist-file can do that via
> > CONFIG_UNUSED_KSYMS_WHITELIST="my/own/white/list".
> > Correct?
> >
> > Why do you delete the default "scripts/lto-used-symbollist.txt" file
> > and remove the default in the appropriate Kconfig for people who want
> > to enable Clang-(Thin)LTO?
> > These people should now use
> > CONFIG_UNUSED_KSYMS_WHITELIST="scripts/lto-used-symbollist.txt"?
> > But again - the file was deleted with your patch.
> > Do I miss something?
>
> I think so.
>
> I moved those symbols to scripts/gen_autoksyms.sh
>
OK, I have overseen hat.
- Sedat -
