Why kernel space sucks
http://www.slideshare.net/openfest/why-kernel-spacesucks20111105
In depth explanation of Spinlock, Semaphore, Mutex
http://www.linuxquestions.org/questions/linux-kernel-70/in-depth-explanation-of-spinlock-semaphore-mutex-4175452627/
Linux Burps !: Linux Kernel Synchronization Primitives
http://linuxburps.blogspot.in/2013/09/linux-kernel-synchronization-primitives.html?m=1
Difference between SoftIRQs and Tasklets – Stack Overflow
http://stackoverflow.com/questions/7137209/difference-between-softirqs-and-tasklets
KLDPWiki: Soft Irqs And Tasklets
http://wiki.kldp.org/wiki.php/SoftIrqsAndTasklets