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A comment on Atmanos: Build Go programs that run directly on the Xen hypervisor. Parent comment

Re:Atmanos: Build Go programs that run directly on the Xen h... by justincormack on Sunday October 01, 2017 @09:39AM (#15377738)
unikernels do not have to run in ring 0 although a lot of early ones did. You can run them in ring 2, and they probably never need ring 0 access after boot so there does not have to be any way to return.
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