Re: [PATCH v2 06/14] rust: hrtimer: allow timer restart from timer handler

[kernel test robot <lkp@intel.com>]

Hi Andreas,

kernel test robot noticed the following build errors:

[auto build test ERROR on 98f7e32f20d28ec452afb208f9cffc08448a2652]

url:    https://github.com/intel-lab-lkp/linux/commits/Andreas-Hindborg/rust-time-Add-Ktime-from_ns/20240918-063405
base:   98f7e32f20d28ec452afb208f9cffc08448a2652
patch link:    https://lore.kernel.org/r/20240917222739.1298275-7-a.hindborg%40kernel.org
patch subject: [PATCH v2 06/14] rust: hrtimer: allow timer restart from timer handler
config: riscv-randconfig-002-20240920 (https://download.01.org/0day-ci/archive/20240920/202409202251.Sfvd2aUn-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 8663a75fa2f31299ab8d1d90288d9df92aadee88)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240920/202409202251.Sfvd2aUn-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/202409202251.Sfvd2aUn-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/riscv/kernel/asm-offsets.c:10:
   In file included from include/linux/mm.h:2232:
   include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
   517 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
   |                               ~~~~~~~~~~~ ^ ~~~
   1 warning generated.
   clang diag: include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
   clang diag: include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
   clang diag: include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
>> error[E0053]: method `from` has an incompatible type for trait
   --> rust/kernel/hrtimer.rs:316:20
   |
   316 |     fn from(value: bindings::hrtimer_restart) -> Self {
   |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
   |                    |
   |                    expected `u32`, found `i32`
   |                    help: change the parameter type to match the trait: `u32`
   |
   = note: expected signature `fn(u32) -> TimerRestart`
   found signature `fn(i32) -> TimerRestart`

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