diff options
Diffstat (limited to 'rust/kernel/sync/arc.rs')
| -rw-r--r-- | rust/kernel/sync/arc.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/rust/kernel/sync/arc.rs b/rust/kernel/sync/arc.rs index ace478442998..a8c2177950cd 100644 --- a/rust/kernel/sync/arc.rs +++ b/rust/kernel/sync/arc.rs @@ -146,8 +146,8 @@ impl<T: ?Sized + Unsize<U>, U: ?Sized> core::ops::DispatchFromDyn<Arc<U>> for Ar // SAFETY: It is safe to send `Arc<T>` to another thread when the underlying `T` is `Sync` because // it effectively means sharing `&T` (which is safe because `T` is `Sync`); additionally, it needs -// `T` to be `Send` because any thread that has an `Arc<T>` may ultimately access `T` directly, for -// example, when the reference count reaches zero and `T` is dropped. +// `T` to be `Send` because any thread that has an `Arc<T>` may ultimately access `T` using a +// mutable reference when the reference count reaches zero and `T` is dropped. unsafe impl<T: ?Sized + Sync + Send> Send for Arc<T> {} // SAFETY: It is safe to send `&Arc<T>` to another thread when the underlying `T` is `Sync` for the |