diff options
| -rw-r--r-- | src/lib.rs | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -253,7 +253,8 @@ impl U32Ext for u32 { /// /// In RTFM, locks are implemented as critical sections that prevent other tasks from *starting*. /// These critical sections are implemented by temporarily increasing the dynamic priority (see -/// [BASEPRI]) of the current context. +/// [BASEPRI]) of the current context. Entering and leaving these critical sections is always done +/// in constant time (a few instructions). /// /// [BASEPRI]: https://developer.arm.com/products/architecture/cpu-architecture/m-profile/docs/100701/latest/special-purpose-mask-registers pub trait Mutex { |