Re: [RFC PATCH v3 09/59] KVM: Enable hardware before doing arch VM initialization

Thomas Gleixner
2021-11-25T19:04:37Z

On Wed, Nov 24 2021 at 16:19, isaku yamahata wrote:
> From: Sean Christopherson <sean.j.christopherson@intel.com>
>
> Swap the order of hardware_enable_all() and kvm_arch_init_vm() to
> accommodate Intel's TDX, which needs VMX to be enabled during VM init in
> order to make SEAMCALLs.
>
> This also provides consistent ordering between kvm_create_vm() and
> kvm_destroy_vm() with respect to calling kvm_arch_destroy_vm() and
> hardware_disable_all().

So far so good. This should also explain that there is no downside with
that order change especially as this order has been that way for a long
time.

Thanks,

tglx