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Implement user-space threads #502

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MatiasVara opened this issue Aug 6, 2022 · 2 comments
Open

Implement user-space threads #502

MatiasVara opened this issue Aug 6, 2022 · 2 comments
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feature This label identifies items that need work on. They should go to Backlog.

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MatiasVara commented Aug 6, 2022 •
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User-space threads shall execute un-trusted code without allowing to crash the kernel. To simplify the implementation, we can rely on intel mpk to protect kernel code and data.

[1] https://charlycst.github.io/posts/mpk/
[2] https://www.ssrg.ece.vt.edu/papers/vee20-mpk.pdf
@MatiasVara MatiasVara self-assigned this Aug 6, 2022
@MatiasVara MatiasVara added enhancement feature This label identifies items that need work on. They should go to Backlog. and removed enhancement labels Aug 6, 2022
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This will require to set up:

  • TSS register
  • PDT for user

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The code could run either in ring 3 or ring 2. Having ring 2 thread shall allow to run PV guests in Toro.

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