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[PATCH v2 2/5] hw/i386/apic: Defer error check from apic_get_class to kv
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v2 2/5] hw/i386/apic: Defer error check from apic_get_class to kvm_apic_realize |
Date: |
Tue, 3 Oct 2023 10:27:25 +0200 |
apic_get_class() isn't supposed to fail. kvm_apic_realize() is
DeviceRealize() handler, which can fail. Defer the error check
to the latter.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
hw/i386/kvm/apic.c | 5 +++++
target/i386/cpu-sysemu.c | 8 --------
2 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c
index 1e89ca0899..4883308247 100644
--- a/hw/i386/kvm/apic.c
+++ b/hw/i386/kvm/apic.c
@@ -228,6 +228,11 @@ static void kvm_apic_realize(DeviceState *dev, Error
**errp)
{
APICCommonState *s = APIC_COMMON(dev);
+ if (!kvm_irqchip_in_kernel()) {
+ error_setg(errp, "KVM does not support userspace APIC");
+ return;
+ }
+
memory_region_init_io(&s->io_memory, OBJECT(s), &kvm_apic_io_ops, s,
"kvm-apic-msi", APIC_SPACE_SIZE);
diff --git a/target/i386/cpu-sysemu.c b/target/i386/cpu-sysemu.c
index 2375e48178..6a228c9178 100644
--- a/target/i386/cpu-sysemu.c
+++ b/target/i386/cpu-sysemu.c
@@ -253,10 +253,6 @@ APICCommonClass *apic_get_class(Error **errp)
/* TODO: in-kernel irqchip for hvf */
if (kvm_enabled()) {
- if (!kvm_irqchip_in_kernel()) {
- error_setg(errp, "KVM does not support userspace APIC");
- return NULL;
- }
apic_type = "kvm-apic";
} else if (xen_enabled()) {
apic_type = "xen-apic";
@@ -272,10 +268,6 @@ void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
APICCommonState *apic;
APICCommonClass *apic_class = apic_get_class(errp);
- if (!apic_class) {
- return;
- }
-
cpu->apic_state = DEVICE(object_new_with_class(OBJECT_CLASS(apic_class)));
object_property_add_child(OBJECT(cpu), "lapic",
OBJECT(cpu->apic_state));
--
2.41.0