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KVM: x86: nVMX: Allow nested_enable_evmcs to be NULL

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...so that it can conditionally set by the VMX code, i.e. iff @nested is
true.  This will in turn allow it to be moved out of vmx.c and into a
nested-specified file.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2018-12-03 13:53:10 -08:00 committed by Paolo Bonzini
parent 944c346453
commit 5158917c7b
1 changed files with 2 additions and 0 deletions
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arch/x86/kvm/x86.c
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@ -3827,6 +3827,8 @@ static int kvm_vcpu_ioctl_enable_cap(struct kvm_vcpu *vcpu,
return kvm_hv_activate_synic(vcpu, cap->cap ==
KVM_CAP_HYPERV_SYNIC2);
case KVM_CAP_HYPERV_ENLIGHTENED_VMCS:
if (!kvm_x86_ops->nested_enable_evmcs)
return -ENOTTY;
r = kvm_x86_ops->nested_enable_evmcs(vcpu, &vmcs_version);
if (!r) {
user_ptr = (void __user *)(uintptr_t)cap->args[0];