Re: [PATCH 0/2] Fix objtool warnings if LTO is enabled for LoongArch

[Huacai Chen]

On Fri, Aug 15, 2025 at 7:01 AM Nathan Chancellor <nathan@xxxxxxxxxx> wrote:
>
> On Tue, Aug 12, 2025 at 09:27:14PM +0800, Tiezhu Yang wrote:
> > The patch #1 should be a preparation for patch #2, that is to say,
> > the patch #2 is dependent on the patch #1, otherwise there is build
> > error if LTO is enabled after only applying patch #2.
>
> Thanks, these two patches do indeed resolve most of the warnings that I
> see.
>
> Tested-by: Nathan Chancellor <nathan@xxxxxxxxxx>
>
> > With this series, most of warnings have been silenced, only remains
> > the following warning by now, it needs more analysis:
> >
> >   vmlinux.o: warning: objtool: __efistub_efi_boot_kernel() falls through
> >   to next function __efistub_exit_boot_func()
>
> Yes, I do see this one too. Odd, as efi_boot_kernel() ends in a
> __noreturn function...
But this one only exists for LTO?

Huacai

>
> Cheers,
> Nathan