Quoting Thomas Huth (2023-08-13 11:50:00) > On 09/08/2023 11.17, Nico Boehr wrote: > > With somewhat recent GCC versions, we get this warning on s390x: > > > > /usr/bin/ld: warning: s390x/cpu.o: missing .note.GNU-stack section implies executable stack > > /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker > > > > We don't really care whether stack is executable or not since we set it > > up ourselves and we're running DAT off mostly anyways. > > > > Silence the warning by explicitly marking the stack as not executable. > > > > Signed-off-by: Nico Boehr <nrb@xxxxxxxxxxxxx> > > --- > > s390x/Makefile | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/s390x/Makefile b/s390x/Makefile > > index 706be7920406..afa47ccbeb93 100644 > > --- a/s390x/Makefile > > +++ b/s390x/Makefile > > @@ -79,7 +79,7 @@ CFLAGS += -O2 > > CFLAGS += -march=zEC12 > > CFLAGS += -mbackchain > > CFLAGS += -fno-delete-null-pointer-checks > > -LDFLAGS += -nostdlib -Wl,--build-id=none > > +LDFLAGS += -nostdlib -Wl,--build-id=none -z noexecstack > > I already did a similar patch some weeks ago: > > https://lore.kernel.org/kvm/20230623125416.481755-1-thuth@xxxxxxxxxx/ > > ... we need it for x86, too, so I guess I should go ahead and commit it - > and ask Sean to respin his conflicting series. Thanks!
