Reading notes: Where does the Concurrency happen?
Concurrency can occur in following places:
1. Interrupts
2. Softirqs and tasklets
All pending softirqs and tasklets may execute on returning from interrupt hanlder.
3. Kernel preemption
4. Sleeping and synchronization with user-space
-- need to verify ?
5. Symmetrical multiprocessing
Reference:
LKD.2st
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