build failure with current linus tree

[Christoph Hellwig <hch@lst.de>]

Current linus tree fail to build for me for a 64bit powerpc config with:

WARNING: modpost: Found 13 section mismatch(es).
To see full details build your kernel with:
'make CONFIG_DEBUG_SECTION_MISMATCH=y'
mm/built-in.o: In function `.strndup_user':
(.text+0x1401a): undefined reference to `.LCTOC0'
mm/built-in.o: In function `.walk_page_range':
(.text+0x269ae): undefined reference to `.LCTOC0'
fs/built-in.o: In function `.posix_acl_alloc':
(.text+0x5f62a): undefined reference to `.LCTOC0'
fs/built-in.o: In function `.posix_acl_from_xattr':
(.text+0x5feda): undefined reference to `.LCTOC0'
fs/built-in.o: In function `.ext3fs_dirhash':
(.text+0x8e17e): undefined reference to `.LCTOC0'
fs/built-in.o:(.text+0xe844e): more undefined references to `.LCTOC0'
follow
make[2]: *** [.tmp_vmlinux1] Error 1
make[1]: *** [sub-make] Error 2
make: *** [all] Error 2

The config is at http://verein.lst.de/~hch/.config, I'm using gcc 3.4.6.