diff options
| author | Wedson Almeida Filho <walmeida@microsoft.com> | 2023-04-11 02:45:43 -0300 |
|---|---|---|
| committer | Miguel Ojeda <ojeda@kernel.org> | 2023-04-22 00:20:00 +0200 |
| commit | 7b1f55e3a984aaed0121f90f9f8580f18b7b561e (patch) | |
| tree | 2963fe572363ca7b88310a2cf5ab014d2e8374e2 /rust/kernel/sync.rs | |
| parent | 8da7a2b7432e8f043f04515895687f72cdb3e0a8 (diff) | |
rust: sync: introduce `LockedBy`
This allows us to have data protected by a lock despite not being
wrapped by it. Access is granted by providing evidence that the lock is
held by the caller.
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Reviewed-by: Benno Lossin <benno.lossin@proton.me>
Link: https://lore.kernel.org/r/20230411054543.21278-13-wedsonaf@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
Diffstat (limited to 'rust/kernel/sync.rs')
| -rw-r--r-- | rust/kernel/sync.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/rust/kernel/sync.rs b/rust/kernel/sync.rs index c997ff7e951e..5393b0d76619 100644 --- a/rust/kernel/sync.rs +++ b/rust/kernel/sync.rs @@ -9,9 +9,11 @@ use crate::types::Opaque; mod arc; pub mod lock; +mod locked_by; pub use arc::{Arc, ArcBorrow, UniqueArc}; pub use lock::{mutex::Mutex, spinlock::SpinLock}; +pub use locked_by::LockedBy; /// Represents a lockdep class. It's a wrapper around C's `lock_class_key`. #[repr(transparent)] |