Re: [PATCH v8 00/16] Add support for Clang LTO

Arnd Bergmann
2020-12-09T09:08:23Z

On Wed, Dec 9, 2020 at 6:23 AM 'Fāng-ruì Sòng' via Clang Built Linux
<clang-built-linux@googlegroups.com> wrote:
>
> On Tue, Dec 8, 2020 at 1:02 PM Arnd Bergmann <arnd@kernel.org> wrote:
> >
> > On Tue, Dec 8, 2020 at 9:59 PM Arnd Bergmann <arnd@kernel.org> wrote:
> > >
> > > Attaching the config for "ld.lld: error: Never resolved function from
> > > blockaddress (Producer: 'LLVM12.0.0' Reader: 'LLVM 12.0.0')"
> >
> > And here is a new one: "ld.lld: error: assignment to symbol
> > init_pg_end does not converge"
>
> This is interesting. I changed the symbol assignment to a separate
> loop in https://reviews.llvm.org/D66279
> Does raising the limit help? Sometimes the kernel linker script can be
> rewritten to be more friendly to the linker...

If that requires rebuilding lld, testing it is beyond what I can help with
right now. Hopefully someone can reproduce it with my .config.

Arnd