Re: [PATCH 07/16] KVM: VMX: Use VMX feature flag to query BIOS enabling

2019-10-04 Thread Jim Mattson
On Fri, Oct 4, 2019 at 2:56 PM Sean Christopherson wrote: > > Replace KVM's manual checks on IA32_FEATURE_CONTROL with a query on the > boot CPU's VMX feature flag. The VMX flag is now cleared during boot if > VMX isn't fully enabled via IA32_FEATURE_CONTROL, including the case > where IA32_FEATU

[PATCH 07/16] KVM: VMX: Use VMX feature flag to query BIOS enabling

2019-10-04 Thread Sean Christopherson
Replace KVM's manual checks on IA32_FEATURE_CONTROL with a query on the boot CPU's VMX feature flag. The VMX flag is now cleared during boot if VMX isn't fully enabled via IA32_FEATURE_CONTROL, including the case where IA32_FEATURE_CONTROL isn't supported. Signed-off-by: Sean Christopherson ---