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Amazing how we've come full circle. Type II hypervisors treat VM guests as processes, so is it any wonder we've developed ways to develop them as processes? A p
by quotemstr 2y ago
Amazing how we've come full circle. Type II hypervisors treat VM guests as processes, so is it any wonder we've developed ways to develop them as processes? A paravirtualized VM is just a process with a different (and arguably better) system call interface.
- nickpsecurity 2y agoThe distinction started with rings of protection which was orthogonal to processes. Roger Schell said the guy who designed the one for Intel’s 286 had security kernels like GEMSOS in mind. Here’s GEMSOS and STOP so you can see how they did that back in the 1980’s: https://www.cse.psu.edu/~trj1/cse443-s12/docs/ch6.pdf https://www.cse.psu.edu/~trj1/cse443-s12/docs/ch6.pdf