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Diffstat (limited to 'arch/x86/kvm/vmx/nested.c')
-rw-r--r--arch/x86/kvm/vmx/nested.c29
1 files changed, 19 insertions, 10 deletions
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index bced76637823..6058a65a6ede 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -3098,15 +3098,8 @@ static bool nested_get_evmcs_page(struct kvm_vcpu *vcpu)
nested_vmx_handle_enlightened_vmptrld(vcpu, false);
if (evmptrld_status == EVMPTRLD_VMFAIL ||
- evmptrld_status == EVMPTRLD_ERROR) {
- pr_debug_ratelimited("%s: enlightened vmptrld failed\n",
- __func__);
- vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
- vcpu->run->internal.suberror =
- KVM_INTERNAL_ERROR_EMULATION;
- vcpu->run->internal.ndata = 0;
+ evmptrld_status == EVMPTRLD_ERROR)
return false;
- }
}
return true;
@@ -3194,8 +3187,16 @@ static bool nested_get_vmcs12_pages(struct kvm_vcpu *vcpu)
static bool vmx_get_nested_state_pages(struct kvm_vcpu *vcpu)
{
- if (!nested_get_evmcs_page(vcpu))
+ if (!nested_get_evmcs_page(vcpu)) {
+ pr_debug_ratelimited("%s: enlightened vmptrld failed\n",
+ __func__);
+ vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
+ vcpu->run->internal.suberror =
+ KVM_INTERNAL_ERROR_EMULATION;
+ vcpu->run->internal.ndata = 0;
+
return false;
+ }
if (is_guest_mode(vcpu) && !nested_get_vmcs12_pages(vcpu))
return false;
@@ -4435,7 +4436,15 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason,
/* Similarly, triple faults in L2 should never escape. */
WARN_ON_ONCE(kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu));
- kvm_clear_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu);
+ if (kvm_check_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu)) {
+ /*
+ * KVM_REQ_GET_NESTED_STATE_PAGES is also used to map
+ * Enlightened VMCS after migration and we still need to
+ * do that when something is forcing L2->L1 exit prior to
+ * the first L2 run.
+ */
+ (void)nested_get_evmcs_page(vcpu);
+ }
/* Service the TLB flush request for L2 before switching to L1. */
if (kvm_check_request(KVM_REQ_TLB_FLUSH_CURRENT, vcpu))