Re: [PATCH v3] gpu: nova-core: gsp: fix undefined behavior in command queue code

[kernel test robot]

Hi Alexandre,

kernel test robot noticed the following build errors:

[auto build test ERROR on dff8302ca1d0e773c90dbeeb05e759f995c95482]

url:    https://github.com/intel-lab-lkp/linux/commits/Alexandre-Courbot/gpu-nova-core-gsp-fix-undefined-behavior-in-command-queue-code/20260327-003216
base:   dff8302ca1d0e773c90dbeeb05e759f995c95482
patch link:    https://lore.kernel.org/r/20260326-cmdq-ub-fix-v3-1-96af2148ca5c%40nvidia.com
patch subject: [PATCH v3] gpu: nova-core: gsp: fix undefined behavior in command queue code
config: x86_64-randconfig-102-20260327 (https://download.01.org/0day-ci/archive/20260328/202603281331.1ESuqgfz-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260328/202603281331.1ESuqgfz-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
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603281331.1ESuqgfz-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: rust_build_error
   >>> referenced by build_assert.rs:28 (rust/kernel/build_assert.rs:28)
   >>>               vmlinux.o:(<nova_core::gsp::cmdq::DmaGspMem>::allocate_command)

-- 
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