linux-kernel - error[E0432]: unresolved import `core::sync::atomic::AtomicU64`

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Message-ID: <202504301208.YQCguEmE-lkp@intel.com>
Date: Wed, 30 Apr 2025 12:54:10 +0800
From: kernel test robot <lkp@...el.com>
To: FUJITA Tomonori <fujita.tomonori@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Miguel Ojeda <ojeda@...nel.org>, Danilo Krummrich <dakr@...nel.org>
Subject: error[E0432]: unresolved import `core::sync::atomic::AtomicU64`

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8bac8898fe398ffa3e09075ecea2be511725fb0b
commit: 584e61452f75bfeac2cdd83730b4059526ec60c7 rust: helpers: Remove volatile qualifier from io helpers
date:   2 weeks ago
config: um-randconfig-r063-20250430 (https://download.01.org/0day-ci/archive/20250430/202504301208.YQCguEmE-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
rustc: rustc 1.78.0 (9b00956e5 2024-04-29)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250430/202504301208.YQCguEmE-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202504301208.YQCguEmE-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0432]: unresolved import `core::sync::atomic::AtomicU64`
   --> rust/kernel/block/mq/operations.rs:15:33
   |
   15 | use core::{marker::PhantomData, sync::atomic::AtomicU64, sync::atomic::Ordering};
   |                                 ^^^^^^^^^^^^^^---------
   |                                 |             |
   |                                 |             help: a similar name exists in the module: `AtomicU32`
   |                                 no `AtomicU64` in `sync::atomic`
--
>> error[E0432]: unresolved import `core::sync::atomic::AtomicU64`
   --> rust/kernel/block/mq/request.rs:16:20
   |
   16 |     sync::atomic::{AtomicU64, Ordering},
   |                    ^^^^^^^^^
   |                    |
   |                    no `AtomicU64` in `sync::atomic`
   |                    help: a similar name exists in the module: `AtomicU32`

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki