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libsel4vm: implement translation vspace #114

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libsel4vm: implement translation vspace #114

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Commits on Sep 14, 2023

  1. libsel4vm: implement translation vspace 

    This commit keeps the guest memory space mapped into the VMM at all
times. This speeds up VMM access to guest memory space, which is
vital for high throughput virtio processes.

Furthermore, multicore x86 guests have multiple VMMs running
simultaneously. Without the translation vspace, guest memory access must
be locked around a mutex, which kills performance.

In order to not break existing functionality, this option is wrapped
around a default OFF CMake variable.

Signed-off-by: Chris Guikema <[email protected]>
    @chrisguikema
    chrisguikema committed Sep 14, 2023
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