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Diffstat (limited to 'arch/x86/kvm/svm/nested.c')
-rw-r--r--arch/x86/kvm/svm/nested.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index caa691229b71..bed5e1692cef 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -55,24 +55,26 @@ static void nested_svm_inject_npf_exit(struct kvm_vcpu *vcpu,
nested_svm_vmexit(svm);
}
-static void svm_inject_page_fault_nested(struct kvm_vcpu *vcpu, struct x86_exception *fault)
+static bool nested_svm_handle_page_fault_workaround(struct kvm_vcpu *vcpu,
+ struct x86_exception *fault)
{
struct vcpu_svm *svm = to_svm(vcpu);
struct vmcb *vmcb = svm->vmcb;
- WARN_ON(!is_guest_mode(vcpu));
+ WARN_ON(!is_guest_mode(vcpu));
if (vmcb12_is_intercept(&svm->nested.ctl,
INTERCEPT_EXCEPTION_OFFSET + PF_VECTOR) &&
- !svm->nested.nested_run_pending) {
- vmcb->control.exit_code = SVM_EXIT_EXCP_BASE + PF_VECTOR;
+ !WARN_ON_ONCE(svm->nested.nested_run_pending)) {
+ vmcb->control.exit_code = SVM_EXIT_EXCP_BASE + PF_VECTOR;
vmcb->control.exit_code_hi = 0;
vmcb->control.exit_info_1 = fault->error_code;
vmcb->control.exit_info_2 = fault->address;
nested_svm_vmexit(svm);
- } else {
- kvm_inject_page_fault(vcpu, fault);
+ return true;
}
+
+ return false;
}
static u64 nested_svm_get_tdp_pdptr(struct kvm_vcpu *vcpu, int index)
@@ -751,9 +753,6 @@ int enter_svm_guest_mode(struct kvm_vcpu *vcpu, u64 vmcb12_gpa,
if (ret)
return ret;
- if (!npt_enabled)
- vcpu->arch.mmu->inject_page_fault = svm_inject_page_fault_nested;
-
if (!from_vmrun)
kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu);
@@ -1659,6 +1658,7 @@ static bool svm_get_nested_state_pages(struct kvm_vcpu *vcpu)
struct kvm_x86_nested_ops svm_nested_ops = {
.leave_nested = svm_leave_nested,
.check_events = svm_check_nested_events,
+ .handle_page_fault_workaround = nested_svm_handle_page_fault_workaround,
.triple_fault = nested_svm_triple_fault,
.get_nested_state_pages = svm_get_nested_state_pages,
.get_state = svm_get_nested_state,