[1/2] VMX: Properly return error to userspace on vmentry failure

Commit Message

Mohammed Gamal May 23, 2010, 10:01 p.m. UTC

None

Patch

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 99ae513..4edcffb 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3665,6 +3665,13 @@  static int vmx_handle_exit(struct kvm_vcpu *vcpu)
 	if (enable_ept && is_paging(vcpu))
 		vcpu->arch.cr3 = vmcs_readl(GUEST_CR3);
 
+	if (exit_reason & VMX_EXIT_REASONS_FAILED_VMENTRY) {
+		vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY;
+		vcpu->run->fail_entry.hardware_entry_failure_reason
+			= exit_reason & ~VMX_EXIT_REASONS_FAILED_VMENTRY;
+		return 0;
+	}
+
 	if (unlikely(vmx->fail)) {
 		vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY;
 		vcpu->run->fail_entry.hardware_entry_failure_reason