Re: [PATCH 0/3] KVM: x86: move nested-related kvm_x86_ops to a separate struct

From: Paolo Bonzini
Date: Sat Apr 18 2020 - 05:57:06 EST


On 17/04/20 21:11, Sean Christopherson wrote:
> Ya, my vote would be to copy by value as well.

I'd rather avoid useless churn, because

vmx_x86_ops.nested = vmx_nested_ops;

is much uglier than

.nested = &vmx_nested_ops,

and with static calls the latter would not have any performance downside.

> I'd also be in favor of
> dropping the _ops part, e.g.
>
> struct kvm_x86_ops {
> struct kvm_x86_nested_ops nested;
>
> ...
> };
>
> and drop the "nested" parts from the ops, e.g.
>
> check_nested_events() -> check_events()

Agreed on both, I'll send v2 with these changes.

Paolo