On Thu, Feb 25, 2021 at 11:35 PM Arnd Bergmann <[email protected]> wrote: > > From: Arnd Bergmann <[email protected]> > > Some randconfig builds fail with undefined references to _mcount > when CONFIG_TRIM_UNUSED_KSYMS is set: > > ERROR: modpost: "_mcount" [drivers/tee/optee/optee.ko] undefined! > ERROR: modpost: "_mcount" [drivers/fsi/fsi-occ.ko] undefined! > ERROR: modpost: "_mcount" [drivers/fpga/dfl-pci.ko] undefined! > > Since there is already a list of symbols that get generated at link > time, add this one as well. > > Fixes: fbe078d397b4 ("kbuild: lto: add a default list of used symbols") > Signed-off-by: Arnd Bergmann <[email protected]> > --- > scripts/lto-used-symbollist.txt | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/scripts/lto-used-symbollist.txt b/scripts/lto-used-symbollist.txt > index 38e7bb9ebaae..406ada65e926 100644 > --- a/scripts/lto-used-symbollist.txt > +++ b/scripts/lto-used-symbollist.txt > @@ -1,5 +1,6 @@ > memcpy > memmove > memset > +_mcount > __stack_chk_fail > __stack_chk_guard > -- > 2.29.2 >
Applied to linux-kbuild/fixes. Thanks. -- Best Regards Masahiro Yamada
