Re: x86_64 INIT/SIPI Bug

From: Sean Christopherson
Date: Fri Nov 09 2018 - 12:49:21 EST


On Thu, Nov 08, 2018 at 03:23:59PM -0700, Rian Quinn wrote:
> I apologize upfront if this is the wrong place to post this, pretty new to this.
>
> We are working on the Bareflank Hypervisor (www.bareflank.org), and we
> are passing through the INIT/SIPI process (similar to how a VMX
> rootkit from EFI might boot the OS) and we noticed that on Arch Linux,
> the INIT/SIPI process stalls, something we are not seeing on Ubuntu.

I'm confused, INIT is blocked post-VMXON, what are you passing through?