Re: 2.6.23-mm1 - regression- PowerPC link failure at arch/powerpc/kernel/head_64.o

Kamalesh Babulal
2007-10-16T07:19:46Z

Hi Andrew,

The link failure while compiling the kernel with allyesconfig over the lpar,
which was seen in 2.6.23-rc8-mm2 (http://lkml.org/lkml/2007/9/30/2) is still
seen in 2.6.23-mm1, the link failure is

ld: arch/powerpc/kernel/head_64.o(.text+0x80c8): sibling call optimization to `.text.init.refok' does not allow automatic multiple TOCs; recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `.text.init.refok' extern
ld: arch/powerpc/kernel/head_64.o(.text+0x8160): sibling call optimization to `.text.init.refok' does not allow automatic multiple TOCs; recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `.text.init.refok' extern
ld: arch/powerpc/kernel/head_64.o(.text+0x81c4): sibling call optimization to `.text.init.refok' does not allow automatic multiple TOCs; recompile with -mminimal-toc or -fno-optimize-sibling-calls, or make `.text.init.refok' extern
ld: final link failed: Bad value
make: *** [.tmp_vmlinux1] Error 1

# gcc -v
Using built-in specs.
Target: powerpc64-suse-linux
Configured with: ../configure --enable-threads=posix --prefix=/usr --with-local-prefix=/usr/local --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib --libexecdir=/usr/lib --enable-languages=c,c++,objc,fortran,obj-c++,java,ada --enable-checking=release --with-gxx-include-dir=/usr/include/c++/4.1.2 --enable-ssp --disable-libssp --disable-libgcj --with-slibdir=/lib --with-system-zlib --enable-shared --enable-__cxa_atexit --enable-libstdcxx-allocator=new --program-suffix=-4.1 --enable-version-specific-runtime-libs --without-system-libunwind --with-cpu=default32 --enable-secureplt --with-long-double-128 --host=powerpc64-suse-linux
Thread model: posix
gcc version 4.1.2 20061115 (prerelease) (SUSE Linux)

ld -v
GNU ld version 2.17.50.0.5 20060927 (SUSE Linux)

Anything I can provide to help diagnose this?

--
Thanks & Regards,
Kamalesh Babulal,
Linux Technology Center,
IBM, ISTL.