(not to be included in message) use fully qualified path on traits and macros for better readability

Author: dingxiangfei2009

rust/kernel/sync/arc.rs

@@ -23,10 +23,6 @@ use crate::{
     try_init,
     types::{ForeignOwnable, Opaque},
 };
-#[cfg(CONFIG_RUST_COERCE_POINTEE)]
-use core::marker::CoercePointee;
-#[cfg(not(CONFIG_RUST_COERCE_POINTEE))]
-use core::marker::Unsize;
 use core::{
     alloc::Layout,
     fmt,
@@ -130,7 +126,7 @@ mod std_vendor;
 /// # Ok::<(), Error>(())
 /// ```
 #[repr(transparent)]
-#[cfg_attr(CONFIG_RUST_COERCE_POINTEE, derive(CoercePointee))]
+#[cfg_attr(CONFIG_RUST_COERCE_POINTEE, derive(core::marker::CoercePointee))]
 pub struct Arc<T: ?Sized> {
     ptr: NonNull<ArcInner<T>>,
     _p: PhantomData<ArcInner<T>>,
@@ -179,11 +175,11 @@ impl<T: ?Sized> ArcInner<T> {
 // This is to allow coercion from `Arc<T>` to `Arc<U>` if `T` can be converted to the
 // dynamically-sized type (DST) `U`.
 #[cfg(not(CONFIG_RUST_COERCE_POINTEE))]
-impl<T: ?Sized + Unsize<U>, U: ?Sized> core::ops::CoerceUnsized<Arc<U>> for Arc<T> {}
+impl<T: ?Sized + core::marker::Unsize<U>, U: ?Sized> core::ops::CoerceUnsized<Arc<U>> for Arc<T> {}
 
 // This is to allow `Arc<U>` to be dispatched on when `Arc<T>` can be coerced into `Arc<U>`.
 #[cfg(not(CONFIG_RUST_COERCE_POINTEE))]
-impl<T: ?Sized + Unsize<U>, U: ?Sized> core::ops::DispatchFromDyn<Arc<U>> for Arc<T> {}
+impl<T: ?Sized + core::marker::Unsize<U>, U: ?Sized> core::ops::DispatchFromDyn<Arc<U>> for Arc<T> {}
 
 // 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
@@ -480,7 +476,7 @@ impl<T: ?Sized> From<Pin<UniqueArc<T>>> for Arc<T> {
 /// # Ok::<(), Error>(())
 /// ```
 #[repr(transparent)]
-#[cfg_attr(CONFIG_RUST_COERCE_POINTEE, derive(CoercePointee))]
+#[cfg_attr(CONFIG_RUST_COERCE_POINTEE, derive(core::marker::CoercePointee))]
 pub struct ArcBorrow<'a, T: ?Sized + 'a> {
     inner: NonNull<ArcInner<T>>,
     _p: PhantomData<&'a ()>,
@@ -489,7 +485,7 @@ pub struct ArcBorrow<'a, T: ?Sized + 'a> {
 // This is to allow `ArcBorrow<U>` to be dispatched on when `ArcBorrow<T>` can be coerced into
 // `ArcBorrow<U>`.
 #[cfg(not(CONFIG_RUST_COERCE_POINTEE))]
-impl<T: ?Sized + Unsize<U>, U: ?Sized> core::ops::DispatchFromDyn<ArcBorrow<'_, U>>
+impl<T: ?Sized + core::marker::Unsize<U>, U: ?Sized> core::ops::DispatchFromDyn<ArcBorrow<'_, U>>
     for ArcBorrow<'_, T>
 {
 }