Re: [PATCH v2 16/31] KVM: nVMX: hyper-v: Direct TLB flush

[Vitaly Kuznetsov]

Sean Christopherson <seanjc@xxxxxxxxxx> writes:

> On Thu, Apr 07, 2022, Vitaly Kuznetsov wrote:
>> Enable Direct TLB flush feature on nVMX when:
>> - Enlightened VMCS is in use.
>> - Direct TLB flush flag is enabled in eVMCS.
>> - Direct TLB flush is enabled in partition assist page.
>
> Yeah, KVM definitely needs a different name for "Direct TLB flush".  I don't have
> any good ideas offhand, but honestly anything is better than "Direct".
>

I think we can get away without a name inside KVM, we'll be doing either
'L1 TLB flush' or 'L2 TLB flush'. In QEMU we can still use 'Direct' I
believe as it matches TLFS and doesn't intersect with KVM's MMU.

-- 
Vitaly