I am a beginner to seL4 as well as microkernel, and very interested
in it. I think it is great in terms of its minimality and formally
verified security. However, I have some questions about it,
(1) How is its performance compared to other monolithic kernel,
say, Linux. Could it make use of multicore, multiprocessor to
enjoy the performance scalability?
(2) How is its ecosystem, fox example, how to support new hardware,
does it need write the driver from scratch or could it make use of
Linux driver? And how to write application on it, or, could it run
Linux application without modification?
(3) How is its virtualization support, could it run Linux vm, and
does it need any modification to the guest os?
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