KVM: VMX: Report up-to-date exit qualification to userspace

Use vmx_get_exit_qual() to read the exit qualification.

vcpu->arch.exit_qualification is cached for EPT violation only and even
for EPT violation, it is stale at this point because the up-to-date
value is cached later in handle_ept_violation().

Fixes: 70bcd708dfd1 ("KVM: vmx: expose more information for KVM_INTERNAL_ERROR_DELIVERY_EV exits")
Signed-off-by: Chao Gao <chao.gao@intel.com>
Link: https://lore.kernel.org/r/20231229022652.300095-1-chao.gao@intel.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index e262bc2ba4e569983a94c3db5c13e1f0dabd9951..d4e6625e0a9a7a1c71a3534dc73594a1e0c818f0 100644 (file)
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6509,7 +6509,7 @@ static int __vmx_handle_exit(struct kvm_vcpu *vcpu, fastpath_t exit_fastpath)
                vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_DELIVERY_EV;
                vcpu->run->internal.data[0] = vectoring_info;
                vcpu->run->internal.data[1] = exit_reason.full;
-               vcpu->run->internal.data[2] = vcpu->arch.exit_qualification;
+               vcpu->run->internal.data[2] = vmx_get_exit_qual(vcpu);
                if (exit_reason.basic == EXIT_REASON_EPT_MISCONFIG) {
                        vcpu->run->internal.data[ndata++] =
                                vmcs_read64(GUEST_PHYSICAL_ADDRESS);