https://www.youtube.com/watch?v=KtZwUEIrDbc&ab_channel=AustinKim
https://www.bhral.com/post/qspinlock-note-feat-paravirtualization-wip
qspinlock note
=> spin lock / link
=> NUMA machines(Non-Uniform Memory Access) / link
=> SMP(symmetric multiprocessing) / link
=> soft IRQ, H/W IRQ (Interrupt Request) / link link link
김동현 저자님의 커널 블로그 link