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@@ -11,6 +11,9 @@ use core::{
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pub use guard::{SpinGuard, SpinIrqGuard};
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pub use guard::{SpinGuard, SpinIrqGuard};
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pub use relax::{LoopRelax, Relax, SpinRelax};
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pub use relax::{LoopRelax, Relax, SpinRelax};
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+//// A spinlock is a lock that uses busy-waiting to acquire the lock.
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+/// It is useful for short critical sections where the overhead of a context switch
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+/// is too high.
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#[derive(Debug, Default)]
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#[derive(Debug, Default)]
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pub struct Spin<T, R = SpinRelax>
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pub struct Spin<T, R = SpinRelax>
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where
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where
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