Just some basics about KVM¶
Update: you can fine more info here https://gdoc.pub/doc/e/2PACX-1vSsskD0A2XgHoZhaYLAkS7lmCOrfxkGXk1WTovWEAyeoELVdBjrE-NzD8h-NvJfKhxMpUg2aXzaD-XG.
If you are hacking some low-level stuff that is running as a VM,
pay close attention if KVM is involved. I started this note because
I spent sometime twisting
page_fault IDT entry, but it turns out
async_page_fault. Oh, well.
- KVM page fault entry (
- It is
idtentry async_page_fault do_async_page_fault has_error_code=1
idtentry page_fault do_page_fault has_error_code=1
- It is
More on Virturlization¶
Well. I swear I want to learn more about Virturlization..
- Intel SDM, volume 3, Chapter 23 - Chapter 33.
Created: May 20, 2019
Last Updated: Sep 11, 2019