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-rw-r--r--target/i386/kvm.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 8b12387d30..cf46259534 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -154,11 +154,6 @@ bool kvm_has_exception_payload(void)
     return has_exception_payload;
 }
 
-bool kvm_allows_irq0_override(void)
-{
-    return !kvm_irqchip_in_kernel() || kvm_has_gsi_routing();
-}
-
 static bool kvm_x2apic_api_set_flags(uint64_t flags)
 {
     KVMState *s = KVM_STATE(current_accel());
@@ -1214,7 +1209,7 @@ static int hyperv_handle_properties(CPUState *cs,
         if (c) {
             env->features[FEAT_HYPERV_EAX] = c->eax;
             env->features[FEAT_HYPERV_EBX] = c->ebx;
-            env->features[FEAT_HYPERV_EDX] = c->eax;
+            env->features[FEAT_HYPERV_EDX] = c->edx;
         }
         c = cpuid_find_entry(cpuid, HV_CPUID_ENLIGHTMENT_INFO, 0);
         if (c) {
@@ -2114,6 +2109,11 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
     int ret;
     struct utsname utsname;
 
+    if (!kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
+        error_report("kvm: KVM_CAP_IRQ_ROUTING not supported by KVM");
+        return -ENOTSUP;
+    }
+
     has_xsave = kvm_check_extension(s, KVM_CAP_XSAVE);
     has_xcrs = kvm_check_extension(s, KVM_CAP_XCRS);
     has_pit_state2 = kvm_check_extension(s, KVM_CAP_PIT_STATE2);
@@ -4547,13 +4547,6 @@ bool kvm_arch_stop_on_emulation_error(CPUState *cs)
 
 void kvm_arch_init_irq_routing(KVMState *s)
 {
-    if (!kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
-        /* If kernel can't do irq routing, interrupt source
-         * override 0->2 cannot be set up as required by HPET.
-         * So we have to disable it.
-         */
-        no_hpet = 1;
-    }
     /* We know at this point that we're using the in-kernel
      * irqchip, so we can use irqfds, and on x86 we know
      * we can use msi via irqfd and GSI routing.