If the user set disable smm by '-machine smm=off', we
should not register smram_listener so that we can
avoid waster memory in kvm since the added sencond
address space.
Meanwhile we should assign value of the global kvm_state
before invoking the kvm_arch_init(), because
pc_machine_is_smm_enabled() may use it by kvm_has_mm().
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Message-Id: <
1496316915-121196-1-git-send-email-arei.gonglei@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
kvm_ioeventfd_any_length_allowed =
(kvm_check_extension(s, KVM_CAP_IOEVENTFD_ANY_LENGTH) > 0);
+ kvm_state = s;
+
ret = kvm_arch_init(ms, s);
if (ret < 0) {
goto err;
kvm_irqchip_create(ms, s);
}
- kvm_state = s;
-
if (kvm_eventfds_allowed) {
s->memory_listener.listener.eventfd_add = kvm_mem_ioeventfd_add;
s->memory_listener.listener.eventfd_del = kvm_mem_ioeventfd_del;
}
}
- if (kvm_check_extension(s, KVM_CAP_X86_SMM)) {
+ if (kvm_check_extension(s, KVM_CAP_X86_SMM) &&
+ object_dynamic_cast(OBJECT(ms), TYPE_PC_MACHINE) &&
+ pc_machine_is_smm_enabled(PC_MACHINE(ms))) {
smram_machine_done.notify = register_smram_listener;
qemu_add_machine_init_done_notifier(&smram_machine_done);
}