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-rw-r--r--target/i386/cpu.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 5a8c96072e..b90ed05897 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -799,7 +799,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
"kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock",
"kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt",
NULL, "kvm-pv-tlb-flush", NULL, "kvm-pv-ipi",
- "kvm-poll-control", "kvm-pv-sched-yield", "kvm-asyncpf-int", NULL,
+ "kvm-poll-control", "kvm-pv-sched-yield", "kvm-asyncpf-int", "kvm-msi-ext-dest-id",
NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL,
"kvmclock-stable-bit", NULL, NULL, NULL,
@@ -4114,6 +4114,7 @@ static PropValue kvm_default_props[] = {
{ "kvm-pv-eoi", "on" },
{ "kvmclock-stable-bit", "on" },
{ "x2apic", "on" },
+ { "kvm-msi-ext-dest-id", "off" },
{ "acpi", "off" },
{ "monitor", "off" },
{ "svm", "off" },
@@ -5140,6 +5141,8 @@ static void x86_cpu_load_model(X86CPU *cpu, X86CPUModel *model)
if (kvm_enabled()) {
if (!kvm_irqchip_in_kernel()) {
x86_cpu_change_kvm_default("x2apic", "off");
+ } else if (kvm_irqchip_is_split() && kvm_enable_x2apic()) {
+ x86_cpu_change_kvm_default("kvm-msi-ext-dest-id", "on");
}
x86_cpu_apply_props(cpu, kvm_default_props);