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Remove unnecessary trait bounds

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Ruihan Li 2024-12-03 10:29:00 +08:00 committed by Tate, Hongliang Tian
parent 9608a57cb0
commit 9e814251df
1 changed files with 5 additions and 5 deletions
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10
ostd/src/sync/spin.rs
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@ -32,7 +32,7 @@ use crate::{
///
/// [`disable_irq`]: Self::disable_irq
#[repr(transparent)]
pub struct SpinLock<T: ?Sized, G: Guardian = PreemptDisabled> {
pub struct SpinLock<T: ?Sized, G = PreemptDisabled> {
phantom: PhantomData<G>,
/// Only the last field of a struct may have a dynamically sized type.
/// That's why SpinLockInner is put in the last field.
@ -92,7 +92,7 @@ impl Guardian for LocalIrqDisabled {
}
}
impl<T, G: Guardian> SpinLock<T, G> {
impl<T, G> SpinLock<T, G> {
/// Creates a new spin lock.
pub const fn new(val: T) -> Self {
let lock_inner = SpinLockInner {
@ -179,15 +179,15 @@ impl<T: ?Sized, G: Guardian> SpinLock<T, G> {
}
}
impl<T: ?Sized + fmt::Debug, G: Guardian> fmt::Debug for SpinLock<T, G> {
impl<T: ?Sized + fmt::Debug, G> fmt::Debug for SpinLock<T, G> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
fmt::Debug::fmt(&self.inner.val, f)
}
}
// SAFETY: Only a single lock holder is permitted to access the inner data of Spinlock.
unsafe impl<T: ?Sized + Send, G: Guardian> Send for SpinLock<T, G> {}
unsafe impl<T: ?Sized + Send, G: Guardian> Sync for SpinLock<T, G> {}
unsafe impl<T: ?Sized + Send, G> Send for SpinLock<T, G> {}
unsafe impl<T: ?Sized + Send, G> Sync for SpinLock<T, G> {}
/// A guard that provides exclusive access to the data protected by a [`SpinLock`].
pub type SpinLockGuard<'a, T, G> = SpinLockGuard_<T, &'a SpinLock<T, G>, G>;