Re: [RFC PATCH v1 10/15] KVM: VMX: Use WRMSRNS or its immediate form when available

[Xin Li]

On 4/11/2025 2:12 PM, Jim Mattson wrote:
> Surely, any CPU that has WRMSRNS also supports "Virtualize
> IA32_SPEC_CTRL," right? Shouldn't we be using that feature rather than
> swapping host and guest values with some form of WRMSR?

Good question, the simple answer is that they are irrelevant.