Re: linux-next: build warning after merge of the tip tree

Kees Cook
2020-10-05T02:44:59Z

On Sun, Oct 04, 2020 at 09:00:18PM +1100, Stephen Rothwell wrote:
> Hi Kees,
>
> On Sun, 4 Oct 2020 01:27:01 -0700 Kees Cook <keescook@chromium.org> wrote:
> >
> > I assume CONFIG_CONSTRUCTORS is enabled for your build (it should be for
>
> yes, indeed.
>
> > allmodconfig). Does this patch fix it? (I'm kind of blindly guessing
> > based on my understanding of where this could be coming from...)
> >
> >
> > diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
> > index e1843976754a..22f14956214a 100644
> > --- a/include/asm-generic/vmlinux.lds.h
> > +++ b/include/asm-generic/vmlinux.lds.h
> > @@ -701,6 +701,7 @@
> > #ifdef CONFIG_CONSTRUCTORS
> > #define KERNEL_CTORS() . = ALIGN(8); \
> > __ctors_start = .; \
> > + KEEP(*(SORT(.ctors.*))) \
> > KEEP(*(.ctors)) \
> > KEEP(*(SORT(.init_array.*))) \
> > KEEP(*(.init_array)) \
>
> And that makes the messages go away.

Okay then! Thanks for testing. :) I'm not sure why the ppc-hosted
compiler generates those. Regardless, I'll send a proper patch...

--
Kees Cook