Since the position is on linux device driver most of the question were from kernel and driver.

Questions:
- PCI device driver
- How a driver is selected to drive a device.
- How probing happens for any new device.
- Memory cache
- DMA Memory(Coherent and Stream)
- Interrupt(softirq, tasklet and workque)
- Synchronization Primitives(spinlock, mutex)
- Producer and Consumer problem
- Asked to synchronize a circular buffer.
- MMU and IOMMU, etc.
- Few questions on single linked list.

Question

Since the position is on linux device driver most of the question were from kernel and driver.

Questions:
 - PCI device driver
 - How a driver is selected to drive a device.
 - How probing happens for any new device.
 - Memory cache
 - DMA Memory(Coherent and Stream)
 - Interrupt(softirq, tasklet and workque)
 - Synchronization Primitives(spinlock, mutex)
 - Producer and Consumer problem
 - Asked to synchronize a circular buffer.
 - MMU and IOMMU, etc.
 - Few questions on single linked list.

Sigiloso · Accepted Answer

I answered most of the questions well except few of them. Interviewers were very helpful.

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