Practice Kernel Module Architecture (5.4) - Linux Kernel Modules - Embedded Linux

Practice: Kernel Module Architecture

Lesson 5.4Linux Kernel Modules

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does the module initialization function do?
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Think about what happens when new code is integrated into the active kernel.
Question 2.
What macro is used to define the exit function?
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Recall that initialization and exit functions have different prefixes.
3Question 3.
What is the purpose of the module initialization function?
- It runs when the module is loaded
- It cleans up resources
- It registers a network protocol
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Think about the first step that happens when a module is activated.
4Question 4.
True or False: The exit function is optional for a kernel module.
- True
- False
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Consider what happens during module removal.
Question 5.
Design a kernel module that keeps track of the number of times it has been loaded and unloaded, logging this information.
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Think about how state can persist across multiple loads and unloads.
Question 6.
Implement proper memory management for a module that allocates memory for a linked list. What should you ensure within the exit function?
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Consider the lifecycle of allocated resources.

5 more questions in this section. Enroll free to practise them all.