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

From: Stephen Rothwell
Date: Wed Oct 14 2020 - 18:26:01 EST


Hi Kees,

On Sun, 4 Oct 2020 19:44:52 -0700 Kees Cook <keescook@xxxxxxxxxxxx> wrote:
>
> 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@xxxxxxxxxxxx> 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...

I get these warnings from Linus' tree now ...
--
Cheers,
Stephen Rothwell

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