On Thu, Feb 25, 2021 at 03:34:49PM +0100, Arnd Bergmann 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]>
Thanks! Reviewed-by: Kees Cook <[email protected]> -- Kees Cook
