Re: [PATCH kvm-unit-tests 0/8]: x86: vmx: Test INIT processing in various CPU VMX states

[Vitaly Kuznetsov <vkuznets@redhat.com>]

Liran Alon <liran.alon@oracle.com> writes:

> Hi,
>
> This patch series aims to add a vmx test to verify the functionality
> introduced by KVM commit:
> 4b9852f4f389 ("KVM: x86: Fix INIT signal handling in various CPU states")
>
> The test verifies the following functionality:
> 1) An INIT signal received when CPU is in VMX operation
>   is latched until it exits VMX operation.
> 2) If there is an INIT signal pending when CPU is in
>   VMX non-root mode, it result in VMExit with (reason == 3).
> 3) Exit from VMX non-root mode on VMExit do not clear
>   pending INIT signal in LAPIC.
> 4) When CPU exits VMX operation, pending INIT signal in
>   LAPIC is processed.
>
> In order to write such a complex test, the vmx tests framework was
> enhanced to support using VMX in non BSP CPUs. This enhancement is
> implemented in patches 1-7. The test itself is implemented at patch 8.
> This enhancement to the vmx tests framework is a bit hackish, but
> I believe it's OK because this functionality is rarely required by
> other VMX tests.
>

Tested-by: Vitaly Kuznetsov <vkuznets@redhat.com>

Thanks!

-- 
Vitaly