From 7b1f55e3a984aaed0121f90f9f8580f18b7b561e Mon Sep 17 00:00:00 2001 From: Wedson Almeida Filho Date: Tue, 11 Apr 2023 02:45:43 -0300 Subject: 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 Signed-off-by: Wedson Almeida Filho Reviewed-by: Benno Lossin Link: https://lore.kernel.org/r/20230411054543.21278-13-wedsonaf@gmail.com Signed-off-by: Miguel Ojeda --- rust/kernel/sync.rs | 2 ++ 1 file changed, 2 insertions(+) (limited to 'rust/kernel/sync.rs') 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)] -- cgit v1.2.3