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 1229286), and 'i32 1' from vmlinux.a(vma_exec.o at 1246866)

[Nathan Chancellor <nathan@kernel.org>]

On Fri, Aug 08, 2025 at 10:32:01PM +0100, Pedro Falcato wrote:
> This doesn't look particularly mm related, CC'd riscv and kernel llvm lists.

Indeed, this should be avoided with [1], I just need someone in the
RISC-V space to pick it up.

https://lore.kernel.org/20250710-riscv-restrict-lto-to-medany-v1-1-b1dac9871ecf@kernel.org/

> On Sat, Aug 09, 2025 at 12:09:05AM +0800, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   37816488247ddddbc3de113c78c83572274b1e2e
> > commit: dd7a6246f4fd6e8a6dcb08f1f51c899f3e0d3b83 mm: abstract initial stack setup to mm subsystem
> > date:   3 months ago
> > config: riscv-randconfig-r071-20250729 (https://download.01.org/0day-ci/archive/20250808/202508082339.sjRnzZrX-lkp@intel.com/config)
> > compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 1b4db78d2eaa070b3f364a2d2b2b826a5439b892)
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250808/202508082339.sjRnzZrX-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/202508082339.sjRnzZrX-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 1229286), and 'i32 1' from vmlinux.a(core.o at 1243626)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(ring_buffer.o at 1239546)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(vmalloc.o at 1246746)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(memory.o at 1246026)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(main.o at 1225686)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(output.o at 1404306)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(mmap.o at 1246206)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(vma.o at 1246806)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(drm_gem.o at 1315866)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(drm_gem_shmem_helper.o at 1317846)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(virtgpu_vram.o at 1327806)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 1' from vmlinux.a(alternative.o at 1226286), and 'i32 3' from vmlinux.a(init.o at 1229286)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(direct-io.o at 1251666)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(debug_vm_pgtable.o at 1247886)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(drm_gem_dma_helper.o at 1317726)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(blk-lib.o at 1282566)
> > >> ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(vma_exec.o at 1246866)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(context.o at 1229706)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(setup.o at 1226826)
> >    ld.lld: error: Function Import: link error: linking module flags 'Code Model': IDs have conflicting values: 'i32 3' from vmlinux.a(init.o at 1229286), and 'i32 1' from vmlinux.a(physaddr.o at 1229886)
> >    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
> 
> -- 
> Pedro
>