Discussion
Match the Linux mechanism with its context.
1. Top half 2. Tasklet 3. Workqueue
P. Interrupt context, deferred Q. Interrupt context, immediate R. Process context, may sleep
Answer: A
What each may do follows entirely from its context, and the commonest kernel bug in this area is sleeping somewhere that cannot. A tasklet is deferred but still in interrupt context, which is the distinction people miss.
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