On Fri, Nov 9, 2018 at 4:38 AM Vincenzo Frascino <vincenzo.frascino@xxxxxxx> wrote: > -ccflags-y := -shared -fno-common -fno-builtin > +ccflags-y := -shared -fno-common -fno-builtin -fno-stack-protector This either needs to include -ffixed-x18 or https://patchwork.kernel.org/patch/10671685/ needs to appear earlier in this series. Peter