linux-kernel - Re: [PATCH v2 1/1] rust: sync: Add Lock::from

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Message-ID: <202409212236.CKCTlTCJ-lkp@intel.com>
Date: Sat, 21 Sep 2024 22:52:41 +0800
From: kernel test robot <lkp@...el.com>
To: Lyude Paul <lyude@...hat.com>, rust-for-linux@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Danilo Krummrich <dakr@...hat.com>,
	airlied@...hat.com, Ingo Molnar <mingo@...hat.com>,
	Will Deacon <will@...nel.org>, Waiman Long <longman@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Wedson Almeida Filho <wedsonaf@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Benno Lossin <benno.lossin@...ton.me>,
	Andreas Hindborg <a.hindborg@...sung.com>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	Martin Rodriguez Reboredo <yakoyoku@...il.com>,
	Valentin Obst <kernel@...entinobst.de>
Subject: Re: [PATCH v2 1/1] rust: sync: Add Lock::from_raw() for Lock<(), B>

Hi Lyude,

kernel test robot noticed the following build warnings:

[auto build test WARNING on a2f11547052001bd448ccec81dd1e68409078fbb]

url:    https://github.com/intel-lab-lkp/linux/commits/Lyude-Paul/rust-sync-Add-Lock-from_raw-for-Lock-B/20240917-071956
base:   a2f11547052001bd448ccec81dd1e68409078fbb
patch link:    https://lore.kernel.org/r/20240916231817.643934-4-lyude%40redhat.com
patch subject: [PATCH v2 1/1] rust: sync: Add Lock::from_raw() for Lock<(), B>
config: x86_64-randconfig-104-20240921 (https://download.01.org/0day-ci/archive/20240921/202409212236.CKCTlTCJ-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240921/202409212236.CKCTlTCJ-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/202409212236.CKCTlTCJ-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> warning: unused import: `mem`
   --> rust/kernel/sync/lock.rs:10:74
   |
   10 | use core::{cell::UnsafeCell, marker::PhantomData, marker::PhantomPinned, mem};
   |                                                                          ^^^
   |
   = note: `#[warn(unused_imports)]` on by default
--
>> warning: unused import: `prelude`
   --> rust/kernel/sync/lock.rs:9:38
   |
   9 | use crate::{init::PinInit, pin_init, prelude::*, str::CStr, types::Opaque, types::ScopeGuard};
   |                                      ^^^^^^^

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