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Fix typo

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jjy 2020-07-05 14:19:51 +08:00 committed by Andre Richter
parent a08cc2d70a
commit 58c0e04a27
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05_safe_globals/README.md
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@ -21,7 +21,7 @@ cores/threads are mutating the data concurrently (it is a global, so everyone ca
anywhere. The borrow checker can't help here).
The solution to this problem is to wrap the global into a synchronization primitive. In our case, a
variant of a *MUTual EXclusion* primivite. `Mutex` is introduced as a trait in `synchronization.rs`,
variant of a *MUTual EXclusion* primitive. `Mutex` is introduced as a trait in `synchronization.rs`,
and implemented by the `NullLock` in the same file. In order to make the code lean for teaching
purposes, it leaves out the actual architecture-specific logic for protection against concurrent
access, since we don't need it as long as the kernel only executes on a single core with interrupts