From: Bibo Mao <maobibo@loongson.cn>
Date: Fri, 6 Jun 2025 06:34:31 +0000 (+0800)
Subject: target/loongarch: Report error with split kernel_irqchip option
X-Git-Tag: v10.1.0-rc0~47^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=74586a2482575776fff5f5f75e0657524c60719d;p=thirdparty%2Fqemu.git

target/loongarch: Report error with split kernel_irqchip option

Option kernel_irqchip=split is not supported on LoongArch virt machine,
report error and exit if detect split kernel_irqchip option.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Message-ID: <20250606063431.2557468-1-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
---

diff --git a/target/loongarch/kvm/kvm.c b/target/loongarch/kvm/kvm.c
index c66bdd5302a..c5d488aa42c 100644
--- a/target/loongarch/kvm/kvm.c
+++ b/target/loongarch/kvm/kvm.c
@@ -1253,7 +1253,12 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
 
 int kvm_arch_irqchip_create(KVMState *s)
 {
-    return 0;
+    if (kvm_kernel_irqchip_split()) {
+        error_report("kernel_irqchip=split is not supported on LoongArch");
+        exit(1);
+    }
+
+    return kvm_check_extension(s, KVM_CAP_DEVICE_CTRL);
 }
 
 void kvm_arch_pre_run(CPUState *cs, struct kvm_run *run)