Re: "do section mismatch check on full vmlinux" breaks powerpc build

On Tue, Jul 24, 2007 at 05:41:05PM -0500, Nathan Lynch wrote:

Hello-

2.6.23-rc1 breaks the build for 64-bit powerpc for me (using
maple_defconfig):

  LD      vmlinux.o
powerpc64-unknown-linux-gnu-ld: dynreloc miscount for
kernel/built-in.o, section .opd
powerpc64-unknown-linux-gnu-ld: can not edit opd Bad value
make: *** [vmlinux.o] Error 1

This is on a i386 host with:
powerpc64-unknown-linux-gnu-gcc (GCC) 4.1.2
GNU ld version 2.16.1

Reverting the following commit fixes it:

commit 741f98fe298a73c9d47ed53703c1279a29718581
Author: Sam Ravnborg [off-list ref]
Date:   Tue Jul 17 10:54:06 2007 +0200

    kbuild: do section mismatch check on full vmlinux


However, I see a possibly related binutils patch:
http://article.gmane.org/gmane.comp.gnu.binutils/33650

Will there be a kbuild fix for this or should I update my binutils?

What kbuild does is a very basic link of a number of .o files.
Why this suddenly breaks I do not fully understand and I see no obvious
way to fix it in kbuild.

And browsing arch/ppc/kernel/vmlinux.lds.S I see no special handling of .opd.

Puzzeled?
I'm not sure how to deal with this one. Would prefer to say that this is
a binutils bug so fix it there but then I like to provide a workaround
for those with faulty toolchains.
I could put the link and the additional modpost check inside a
CONFIG_SOMETHING....

	Sam