Re: [PATCH v6 3/9] KVM: x86: Stuff vCPU's PAT with default value at RESET, not creation

Huang, Kai
2024-03-27T11:22:09Z

On Fri, 2024-03-08 at 17:27 -0800, Sean Christopherson wrote:
> Move the stuffing of the vCPU's PAT to the architectural "default" value
> from kvm_arch_vcpu_create() to kvm_vcpu_reset(), guarded by !init_event,
> to better capture that the default value is the value "Following Power-up
> or Reset". E.g. setting PAT only during creation would break if KVM were
> to expose a RESET ioctl() to userspace (which is unlikely, but that's not
> a good reason to have unintuitive code).
>
> No functional change.
>
> Signed-off-by: Sean Christopherson <seanjc@google.com>
>

Reviewed-by: Kai Huang <kai.huang@intel.com>