Practice Basic Kernel Module Code (example.c) - 5.6.1 | 5. Linux Kernel Modules | Embedded Linux
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of the initialization function in a kernel module?

πŸ’‘ Hint: Think about what actions might be required when code is activated.

Question 2

Easy

Name one component of kernel module metadata.

πŸ’‘ Hint: What information is important to record about the module?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What does the initialization function do in a kernel module?

  • Sets up necessary configurations.
  • Cleans up resources.
  • Logs kernel messages.

πŸ’‘ Hint: Consider what happens when a module first loads.

Question 2

Is the exit function mandatory in a kernel module?

  • True
  • False

πŸ’‘ Hint: Think about cleaning up after a task.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Write a kernel module that includes an initialization function and an exit function. Ensure that it correctly logs messages upon loading and unloading.

πŸ’‘ Hint: Remember to include both functions and use printk for logging.

Question 2

In a given kernel module, function A calls for a resource but does not release it in the exit function. Explain the potential repercussions of this.

πŸ’‘ Hint: Reflect on how unreturned items can create buildup over time.

Challenge and get performance evaluation