Re: [PATCH 3/7] KVM: x86: hyper-v: Move the remote TLB flush logic out of vmx

From: Vineeth Pillai
Date: Thu Apr 08 2021 - 09:18:42 EST



On 4/8/21 7:14 AM, Vitaly Kuznetsov wrote:
+ /*
+ * Two Dimensional paging CR3
+ * EPTP for Intel
+ * nCR3 for AMD
+ */
+ u64 tdp_pointer;
};
'struct kvm_vcpu_hv' is only allocated when we emulate Hyper-V in KVM
(run Windows/Hyper-V guests on top of KVM). Remote TLB flush is used
when we run KVM on Hyper-V and this is a very different beast. Let's not
mix these things together. I understand that some unification is needed
to bring the AMD specific feature but let's do it differently.

E.g. 'ept_pointer' and friends from 'struct kvm_vmx' can just go to
'struct kvm_vcpu_arch' (in case they really need to be unified).
Ahh yes, thanks for catching this. Will fix this in the next version.

Thanks,
Vineeth