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kvm: nVMX: Set nested_run_pending in vmx_set_nested_state after checks complete 

nested_run_pending=1 implies we have successfully entered guest mode.
Move setting from external state in vmx_set_nested_state() until after
all other checks are complete.

Based on a patch by Aaron Lewis.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Aaron Lewis 2019-05-02 11:31:25 -07:00 committed by Paolo Bonzini
parent da1e3071d5
commit 9b5db6c762
1 changed files with 6 additions and 4 deletions
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10
arch/x86/kvm/vmx/nested.c
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@ -5420,9 +5420,6 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
if (!(kvm_state->flags & KVM_STATE_NESTED_GUEST_MODE))
return 0;
vmx->nested.nested_run_pending =
!!(kvm_state->flags & KVM_STATE_NESTED_RUN_PENDING);
if (nested_cpu_has_shadow_vmcs(vmcs12) &&
vmcs12->vmcs_link_pointer != -1ull) {
struct vmcs12 *shadow_vmcs12 = get_shadow_vmcs12(vcpu);
@ -5446,9 +5443,14 @@ static int vmx_set_nested_state(struct kvm_vcpu *vcpu,
return -EINVAL;
vmx->nested.dirty_vmcs12 = true;
vmx->nested.nested_run_pending =
!!(kvm_state->flags & KVM_STATE_NESTED_RUN_PENDING);
ret = nested_vmx_enter_non_root_mode(vcpu, false);
if (ret)
if (ret) {
vmx->nested.nested_run_pending = 0;
return -EINVAL;
}
return 0;
}