aboutsummaryrefslogtreecommitdiff
path: root/target/s390x
diff options
context:
space:
mode:
Diffstat (limited to 'target/s390x')
-rw-r--r--target/s390x/kvm.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
index cea71ac..97a662a 100644
--- a/target/s390x/kvm.c
+++ b/target/s390x/kvm.c
@@ -316,6 +316,13 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
MachineClass *mc = MACHINE_GET_CLASS(ms);
mc->default_cpu_type = S390_CPU_TYPE_NAME("host");
+
+ if (!kvm_check_extension(kvm_state, KVM_CAP_DEVICE_CTRL)) {
+ error_report("KVM is missing capability KVM_CAP_DEVICE_CTRL - "
+ "please use kernel 3.15 or newer");
+ return -1;
+ }
+
cap_sync_regs = kvm_check_extension(s, KVM_CAP_SYNC_REGS);
cap_async_pf = kvm_check_extension(s, KVM_CAP_ASYNC_PF);
cap_mem_op = kvm_check_extension(s, KVM_CAP_S390_MEM_OP);