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

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Message-ID: <CANiq72n6tTox7jMX89p4vLihghrJeDcBL+MWR8rp4_Y0LyxcKg@mail.gmail.com>
Date: Wed, 30 Apr 2025 07:06:28 +0200
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: kernel test robot <lkp@...el.com>, Andreas Hindborg <a.hindborg@...nel.org>
Cc: FUJITA Tomonori <fujita.tomonori@...il.com>, oe-kbuild-all@...ts.linux.dev, 
	linux-kernel@...r.kernel.org, Miguel Ojeda <ojeda@...nel.org>, 
	Danilo Krummrich <dakr@...nel.org>
Subject: Re: error[E0432]: unresolved import `core::sync::atomic::AtomicU64`

On Wed, Apr 30, 2025 at 6:55 AM kernel test robot <lkp@...el.com> wrote:
>
> 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`

Cc'ing Andreas.

Cheers,
Miguel