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-rw-r--r--hw/i386/intel_iommu.c2
-rw-r--r--hw/i386/x86.c9
-rw-r--r--target/i386/kvm/kvm-stub.c7
3 files changed, 4 insertions, 14 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 3ca71df..c9961ef 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -4053,7 +4053,7 @@ static bool vtd_decide_config(IntelIOMMUState *s, Error **errp)
error_setg(errp, "eim=on requires accel=kvm,kernel-irqchip=split");
return false;
}
- if (!kvm_enable_x2apic()) {
+ if (kvm_enabled() && !kvm_enable_x2apic()) {
error_setg(errp, "eim=on requires support on the KVM side"
"(X2APIC_API, first shipped in v4.7)");
return false;
diff --git a/hw/i386/x86.c b/hw/i386/x86.c
index a88a126..3e86cf3 100644
--- a/hw/i386/x86.c
+++ b/hw/i386/x86.c
@@ -129,13 +129,10 @@ void x86_cpus_init(X86MachineState *x86ms, int default_cpu_version)
ms->smp.max_cpus - 1) + 1;
/*
- * Can we support APIC ID 255 or higher?
- *
- * Under Xen: yes.
- * With userspace emulated lapic: no
- * With KVM's in-kernel lapic: only if X2APIC API is enabled.
+ * Can we support APIC ID 255 or higher? With KVM, that requires
+ * both in-kernel lapic and X2APIC userspace API.
*/
- if (x86ms->apic_id_limit > 255 && !xen_enabled() &&
+ if (x86ms->apic_id_limit > 255 && kvm_enabled() &&
(!kvm_irqchip_in_kernel() || !kvm_enable_x2apic())) {
error_report("current -smp configuration requires kernel "
"irqchip and X2APIC API support.");
diff --git a/target/i386/kvm/kvm-stub.c b/target/i386/kvm/kvm-stub.c
index f985d9a..62ccceb 100644
--- a/target/i386/kvm/kvm-stub.c
+++ b/target/i386/kvm/kvm-stub.c
@@ -12,13 +12,6 @@
#include "qemu/osdep.h"
#include "kvm_i386.h"
-#ifndef __OPTIMIZE__
-bool kvm_enable_x2apic(void)
-{
- return false;
-}
-#endif
-
bool kvm_hv_vpindex_settable(void)
{
return false;