@@ -150,6 +150,8 @@ static void pc_init1(MemoryRegion *system_memory,
MemoryRegion *pci_memory;
MemoryRegion *rom_memory;
void *fw_cfg = NULL;
+ QemuOptsList *list = qemu_find_opts("machine");
+ bool enable_pv_event = false;
pc_cpus_init(cpu_model);
@@ -288,7 +290,11 @@ static void pc_init1(MemoryRegion *system_memory,
pc_pci_device_init(pci_bus);
}
- if (kvm_enabled()) {
+ if (list && !QTAILQ_EMPTY(&list->head)) {
+ enable_pv_event = qemu_opt_get_bool(QTAILQ_FIRST(&list->head),
+ "enable_pv_event", false);
+ }
+ if (kvm_enabled() && enable_pv_event) {
kvm_pv_event_init(isa_bus);
}
}
@@ -627,6 +627,10 @@ static QemuOptsList qemu_machine_opts = {
.name = "usb",
.type = QEMU_OPT_BOOL,
.help = "Set on/off to enable/disable usb",
+ }, {
+ .name = "enable_pv_event",
+ .type = QEMU_OPT_BOOL,
+ .help = "handle pv event"
},
{ /* End of list */ }
},
@@ -35,7 +35,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \
" kernel_irqchip=on|off controls accelerated irqchip support\n"
" kvm_shadow_mem=size of KVM shadow MMU\n"
" dump-guest-core=on|off include guest memory in a core dump (default=on)\n"
- " mem-merge=on|off controls memory merge support (default: on)\n",
+ " mem-merge=on|off controls memory merge support (default: on)\n"
+ " enable_pv_event=on|off controls pv event support (default: off)\n",
QEMU_ARCH_ALL)
STEXI
@item -machine [type=]@var{name}[,prop=@var{value}[,...]]