ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(net-traces.o at 1004198)

ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(net-traces.o at 1004198)

[kernel test robot]

Hi Samuel,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   479058002c32b77acac43e883b92174e22c4be2d
commit: 2c0391b29b27f315c1b4c29ffde66f50b29fab99 riscv: Allow NOMMU kernels to access all of RAM
date:   4 months ago
config: riscv-randconfig-002-20250806 (https://download.01.org/0day-ci/archive/20250806/202508061842.68gt097v-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 8f09b03aebb71c154f3bbe725c29e3f47d37c26e)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250806/202508061842.68gt097v-lkp@intel.com/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
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508061842.68gt097v-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(trace.o at 871118)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(memcontrol.o at 876278)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(mballoc.o at 886958)
>> ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(net-traces.o at 1004198)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(tcp.o at 1010198)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(skbuff.o at 1001978)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(filter.o at 1003058)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(core.o at 965138)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(tun.o at 969458)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(slub.o at 875858)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(core.o at 873038)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(protocol.o at 1029638)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(inode.o at 886838)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(vmscan.o at 874418)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(ip6_output.o at 1014818)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(blk-mq.o at 912518)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(tls_sw.o at 1013618)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(ring_buffer.o at 870998)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(tcp.o at 965558)
   ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(journal.o at 888518)
   ld.lld: error: too many errors emitted, stopping now (use --error-limit=0 to see all errors)

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

Re: ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(net-traces.o at 1004198)

[Nathan Chancellor]

On Wed, Aug 06, 2025 at 07:06:34PM +0800, kernel test robot wrote:
...
> config: riscv-randconfig-002-20250806 (https://download.01.org/0day-ci/archive/20250806/202508061842.68gt097v-lkp@intel.com/config)
...
>    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(trace.o at 871118)
>    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(memcontrol.o at 876278)
>    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(mballoc.o at 886958)
> >> ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 861458), and 'i32 1' from vmlinux.a(net-traces.o at 1004198)

As this configuration has CONFIG_CMODEL_MEDLOW, I expect
https://lore.kernel.org/20250710-riscv-restrict-lto-to-medany-v1-1-b1dac9871ecf@kernel.org/
to avoid this.

Cheers,
Nathan