[boqun:rust-atomic-v3 16/17] Diff in rust/kernel/sync/lock/global.rs at line 217:

[boqun:rust-atomic-v3 16/17] Diff in rust/kernel/sync/lock/global.rs at line 217:

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/boqun/linux.git rust-atomic-v3
head:   9b0ff2cf7026f93d299434f0484d283c61418661
commit: 82fffc1e5c45a95453dc84c03f3658cc8b50943d [16/17] WIP: rcu: sync: Add GlobalLockedy for Projectiable
config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20250317/202503171804.E5sdTIEj-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
rustc: rustc 1.78.0 (9b00956e5 2024-04-29)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250317/202503171804.E5sdTIEj-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/202503171804.E5sdTIEj-lkp@intel.com/

All errors (new ones prefixed by >>):

   PATH=/opt/cross/clang-18/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   INFO PATH=/opt/cross/rustc-1.78.0-bindgen-0.65.1/cargo/bin:/opt/cross/clang-18/bin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
   /usr/bin/timeout -k 100 12h /usr/bin/make KCFLAGS= -Wtautological-compare -Wno-error=return-type -Wreturn-type -Wcast-function-type -funsigned-char -Wundef -fstrict-flex-arrays=3 -Wformat-overflow -Wformat-truncation -Wenum-conversion W=1 --keep-going LLVM=1 -j32 -C source O=/kbuild/obj/consumer/x86_64-rhel-9.4-rust ARCH=x86_64 SHELL=/bin/bash rustfmtcheck
   make: Entering directory '/kbuild/src/consumer'
   make[1]: Entering directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
>> Diff in rust/kernel/sync/lock/global.rs at line 217:
    
    use core::pin::Pin;
    
   -impl<T: ?Sized + Projectable, B: GlobalLockBackend> core::ops::Deref for ProjectableGlobalLockedBy<T, B> {
   +impl<T: ?Sized + Projectable, B: GlobalLockBackend> core::ops::Deref
   +    for ProjectableGlobalLockedBy<T, B>
   +{
        type Target = T;
        /// Access the value immutably.
        ///
   Diff in rust/kernel/sync/rcu.rs at line 61:
    
    // SAFETY: `Rcu` is safe to have multiple immutable references co-existing with one pinned mutable
    // reference.
   -unsafe impl<P: ForeignOwnable> crate::sync::Projectable for Rcu<P> { }
   +unsafe impl<P: ForeignOwnable> crate::sync::Projectable for Rcu<P> {}
    
    /// A pointer that has been unpublished, but hasn't waited for a grace period yet.
    ///
>> Diff in rust/kernel/sync/lock/global.rs at line 217:
    
    use core::pin::Pin;
    
   -impl<T: ?Sized + Projectable, B: GlobalLockBackend> core::ops::Deref for ProjectableGlobalLockedBy<T, B> {
   +impl<T: ?Sized + Projectable, B: GlobalLockBackend> core::ops::Deref
   +    for ProjectableGlobalLockedBy<T, B>
   +{
        type Target = T;
        /// Access the value immutably.
        ///
>> Diff in rust/kernel/sync/lock/global.rs at line 217:
    
    use core::pin::Pin;
    
   -impl<T: ?Sized + Projectable, B: GlobalLockBackend> core::ops::Deref for ProjectableGlobalLockedBy<T, B> {
   +impl<T: ?Sized + Projectable, B: GlobalLockBackend> core::ops::Deref
   +    for ProjectableGlobalLockedBy<T, B>
   +{
        type Target = T;
        /// Access the value immutably.
        ///
   Diff in rust/kernel/sync/rcu.rs at line 61:
    
    // SAFETY: `Rcu` is safe to have multiple immutable references co-existing with one pinned mutable
    // reference.
   -unsafe impl<P: ForeignOwnable> crate::sync::Projectable for Rcu<P> { }
   +unsafe impl<P: ForeignOwnable> crate::sync::Projectable for Rcu<P> {}
    
    /// A pointer that has been unpublished, but hasn't waited for a grace period yet.
    ///
   Diff in rust/kernel/sync.rs at line 18:
    
    pub use arc::{Arc, ArcBorrow, UniqueArc};
    pub use condvar::{new_condvar, CondVar, CondVarTimeoutResult};
   -pub use lock::global::{global_lock, GlobalGuard, GlobalLock, GlobalLockBackend, GlobalLockedBy, ProjectableGlobalLockedBy};
   +pub use lock::global::{
   +    global_lock, GlobalGuard, GlobalLock, GlobalLockBackend, GlobalLockedBy,
   +    ProjectableGlobalLockedBy,
   +};
    pub use lock::mutex::{new_mutex, Mutex, MutexGuard};
    pub use lock::spinlock::{new_spinlock, SpinLock, SpinLockGuard};
    pub use locked_by::LockedBy;
   Diff in rust/kernel/sync.rs at line 77:
    ///
    /// The implement type must allow multiple immutable references and one pinned mutable references
    /// co-exist as the same time.
   -pub unsafe trait Projectable { }
   +pub unsafe trait Projectable {}
    
>> Diff in rust/kernel/sync/lock/global.rs at line 217:
    
    use core::pin::Pin;
    
   -impl<T: ?Sized + Projectable, B: GlobalLockBackend> core::ops::Deref for ProjectableGlobalLockedBy<T, B> {
   +impl<T: ?Sized + Projectable, B: GlobalLockBackend> core::ops::Deref
   +    for ProjectableGlobalLockedBy<T, B>
   +{
        type Target = T;
        /// Access the value immutably.
        ///
   Diff in rust/kernel/sync/rcu.rs at line 61:
    
    // SAFETY: `Rcu` is safe to have multiple immutable references co-existing with one pinned mutable
    // reference.
   -unsafe impl<P: ForeignOwnable> crate::sync::Projectable for Rcu<P> { }
   +unsafe impl<P: ForeignOwnable> crate::sync::Projectable for Rcu<P> {}
    
    /// A pointer that has been unpublished, but hasn't waited for a grace period yet.
    ///
   Diff in rust/kernel/sync.rs at line 18:
    
    pub use arc::{Arc, ArcBorrow, UniqueArc};
    pub use condvar::{new_condvar, CondVar, CondVarTimeoutResult};
   -pub use lock::global::{global_lock, GlobalGuard, GlobalLock, GlobalLockBackend, GlobalLockedBy, ProjectableGlobalLockedBy};
   +pub use lock::global::{
   +    global_lock, GlobalGuard, GlobalLock, GlobalLockBackend, GlobalLockedBy,
   +    ProjectableGlobalLockedBy,
   +};
    pub use lock::mutex::{new_mutex, Mutex, MutexGuard};
    pub use lock::spinlock::{new_spinlock, SpinLock, SpinLockGuard};
    pub use locked_by::LockedBy;
   Diff in rust/kernel/sync.rs at line 77:
    ///
    /// The implement type must allow multiple immutable references and one pinned mutable references
    /// co-exist as the same time.
   -pub unsafe trait Projectable { }
   +pub unsafe trait Projectable {}
    
   make[2]: *** [Makefile:1811: rustfmt] Error 123
   make[2]: Target 'rustfmtcheck' not remade because of errors.
   make[1]: Leaving directory '/kbuild/obj/consumer/x86_64-rhel-9.4-rust'
   make[1]: *** [Makefile:251: __sub-make] Error 2
   make[1]: Target 'rustfmtcheck' not remade because of errors.
   make: *** [Makefile:251: __sub-make] Error 2
   make: Target 'rustfmtcheck' not remade because of errors.
   make: Leaving directory '/kbuild/src/consumer'

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