Re: [paulmckrcu:dev.2026.07.13b 75/86] warning: constant `WARN_ON_FLAGS` is never used

Hi,
Thanks for the report.

On Mon, Jul 20, 2026, at 10:25 AM, Boqun Feng wrote:
> On Sun, Jul 19, 2026 at 12:38:20AM +0800, kernel test robot wrote:
>> tree:   https://github.com/paulmckrcu/linux dev.2026.07.13b
>> head:   04b88652be5bc3b092a63198d1b2bebaf46b9e72
>> commit: f41634950050921c691e1fabdafc0304c2aedfdf [75/86] rust: sync: add SRCU abstraction
>> config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20260719/[email protected]/config)
>> compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
>> rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260719/[email protected]/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 <[email protected]>
>> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
>> 
>> All warnings (new ones prefixed by >>):
>> 
>> >> warning: constant `WARN_ON_FLAGS` is never used
>>    --> rust/kernel/bug.rs:126:19
>>    |
>>    126 |               const WARN_ON_FLAGS: u32 = $crate::bug::bugflag_taint($crate::bindings::TAINT_WARN);
>>    |                     ^^^^^^^^^^^^^
>
> [Cc Miguel and Tomo]
>
> Is this one supposed to fix the issue?
>
> 	https://lore.kernel.org/rust-for-linux/[email protected]/

It doesn't. I've just sent a fix:

https://lore.kernel.org/rust-for-linux/[email protected]/