What is priority inversion ? and What is the solution ?
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In scheduling, priority inversion is the scenario where a
low priority task holds a shared resource that is required
by a high priority task. This causes the execution of the
high priority task to be blocked until the low priority task
has released the resource, effectively "inverting" the
relative priorities of the two tasks. If some other medium
priority task, one that does not depend on the shared
resource, attempts to run in the interim, it will take
precedence over both the low priority task and the high
priority task.
The solution to this is "Priority Inheritance" and "Priority
Ceiling".
| Is This Answer Correct ? | 22 Yes | 3 No |
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