Re: [PATCH v8 4/4] kvm: vmx: virtualize split lock detection

[Xiaoyao Li]

On 4/16/2020 3:47 AM, Thomas Gleixner wrote:
> Xiaoyao Li <xiaoyao.li@xxxxxxxxx> writes:
>
> > Due to the fact that TEST_CTRL MSR is per-core scope, i.e., the sibling
> > threads in the same physical CPU core share the same MSR, only
> > advertising feature split lock detection to guest when SMT is disabled
> > or unsupported, for simplicitly.
>
> That's not for simplicity. It's for correctness because you cannot
> provide consistent state to a guest.

I'll correct it.

Thanks!
-Xiaoyao