Show HN: Wiser – minimal hypervisor boots Linux VM, written in C

Re:Show HN: Wiser – minimal hypervisor boots Linux VM, writt... by fwsgonzo on Thursday July 22, 2021 @08:16AM (#27917964)

Not a lot of meat on this, but it looks nice from glancing at all the bits. I would recommend that you read the CPUID bits from the real CPU and copy most of them over so that the kernel can enable features like SSE4.x, AVX/AVX2 and various others. Use KVM_GET_SUPPORTED_CPUID and then KVM_SET_CPUID2.

I would also set the CPU name to KVMKVMKVM and enable a few of the paravirtual devices like KVMCLOCK.

Good luck with your project!

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Re:Show HN: Wiser – minimal hypervisor boots Linux VM, writt... by flouthoc_fl on Thursday July 22, 2021 @08:21AM (#27918000)

This is a really nice feedback, thanks a lot.

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Re:Show HN: Wiser – minimal hypervisor boots Linux VM, writt... by flouthoc_fl on Thursday July 22, 2021 @08:44AM (#27918192)

also really thanks for discussing about CPU SIGNATURE specifically.

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