NEC
Reverse of link list
loop in linked list
intersaction in linked list
linux booting sequence
from where linkux kernel code in booting starts
what is interrupt
how interrupt is registered.
what is the paraeters of request_irq
what is the dev structure used for
what is busybox
what is atags
spinlock
semaphore
when to use spinlock and semaphore
board files and device tree