ld.lld: error: relocation R_PPC_ADDR16_LO cannot be used against symbol 'init_task'; recompile with -fPIC

From: kernel test robot

Date: Thu Jul 09 2026 - 18:23:38 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 0e35b9b6ec0ffcc5e23cbdec09f5c622ad532b53
commit: d5cae2261b86913e602452ce4a07e6aefc0f603b dma-contiguous: simplify numa cma area handling
date: 6 weeks ago
config: powerpc-randconfig-r133-20260709 (https://download.01.org/0day-ci/archive/20260710/202607100652.WPUlEAfx-lkp@xxxxxxxxx/config)
compiler: clang version 21.1.8 (https://github.com/llvm/llvm-project 2078da43e25a4623cab2d0d60decddf709aaea28)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260710/202607100652.WPUlEAfx-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Fixes: d5cae2261b86 ("dma-contiguous: simplify numa cma area handling")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607100652.WPUlEAfx-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: relocation R_PPC_ADDR16_LO cannot be used against symbol 'init_task'; recompile with -fPIC
>>> defined in vmlinux.a(init/init_task.o)
>>> referenced by head_44x.S:101 (arch/powerpc/kernel/head_44x.S:101)
>>> arch/powerpc/kernel/head_44x.o:(.head.text+0x42) in archive vmlinux.a
--
>> ld.lld: error: relocation R_PPC_ADDR16_HI cannot be used against symbol 'init_thread_union'; recompile with -fPIC
>>> defined in ./arch/powerpc/kernel/vmlinux.lds:133
>>> referenced by head_44x.S:108 (arch/powerpc/kernel/head_44x.S:108)
>>> arch/powerpc/kernel/head_44x.o:(.head.text+0x4e) in archive vmlinux.a

Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for HOTPLUG_CPU
Depends on [n]: SMP [=y] && (PPC_PSERIES [=n] || PPC_PMAC [=n] || PPC_POWERNV [=n] || FSL_SOC_BOOKE [=n])
Selected by [y]:
- PM_SLEEP_SMP [=y] && SMP [=y] && (ARCH_SUSPEND_POSSIBLE [=y] || ARCH_HIBERNATION_POSSIBLE [=y]) && PM_SLEEP [=y]

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki