Re: [RFC PATCH 2/4] rust: sync: Add dma_fence abstractions

Re: [RFC PATCH 2/4] rust: sync: Add dma_fence abstractions

[kernel test robot]

Hi Philipp,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build warnings:

[auto build test WARNING on rust/rust-next]
[also build test WARNING on linus/master v6.19-rc8]
[cannot apply to tip/locking/core next-20260204]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Philipp-Stanner/rust-list-Add-unsafe-for-container_of/20260203-162013
base:   https://github.com/Rust-for-Linux/linux rust-next
patch link:    https://lore.kernel.org/r/20260203081403.68733-4-phasta%40kernel.org
patch subject: [RFC PATCH 2/4] rust: sync: Add dma_fence abstractions
config: x86_64-buildonly-randconfig-004-20260205 (https://download.01.org/0day-ci/archive/20260205/202602052045.wrd8TaGb-lkp@intel.com/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/20260205/202602052045.wrd8TaGb-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/202602052045.wrd8TaGb-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> warning: creating a shared reference to mutable static
   --> rust/doctests_kernel_generated.rs:16156:18
   |
   16156 |         unsafe { CHECKER.store(true, atomic::Ordering::Relaxed); }
   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
   |
   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
   = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
   = note: `#[warn(static_mut_refs)]` on by default
--
>> warning: creating a shared reference to mutable static
   --> rust/doctests_kernel_generated.rs:16182:21
   |
   16182 | unsafe { assert_eq!(CHECKER.load(atomic::Ordering::Relaxed), true); }
   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
   |
   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
   = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives

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