@@ -3275,6 +3275,19 @@ static void spapr_instance_init(Object *obj)
{
SpaprMachineState *spapr = SPAPR_MACHINE(obj);
SpaprMachineClass *smc = SPAPR_MACHINE_GET_CLASS(spapr);
+ MachineState *ms = MACHINE(spapr);
+ MachineClass *mc = MACHINE_GET_CLASS(ms);
+
+ /*
+ * NVDIMM support went live in 5.1 without considering that, in
+ * other archs, the user needs to enable NVDIMM support with the
+ * 'nvdimm' machine option and the default behavior is NVDIMM
+ * support disabled. It is too late to roll back to the standard
+ * behavior without breaking 5.1 guests.
+ */
+ if (mc->nvdimm_supported) {
+ ms->nvdimms_state->is_enabled = true;
+ }
spapr->htab_fd = -1;
spapr->use_hotplug_event_source = true;
@@ -27,10 +27,8 @@
#include "hw/ppc/spapr_nvdimm.h"
#include "hw/mem/nvdimm.h"
#include "qemu/nvdimm-utils.h"
-#include "qemu/option.h"
#include "hw/ppc/fdt.h"
#include "qemu/range.h"
-#include "sysemu/sysemu.h"
#include "hw/ppc/spapr_numa.h"
bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm,
@@ -38,7 +36,6 @@ bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm,
{
const MachineClass *mc = MACHINE_GET_CLASS(hotplug_dev);
const MachineState *ms = MACHINE(hotplug_dev);
- const char *nvdimm_opt = qemu_opt_get(qemu_get_machine_opts(), "nvdimm");
g_autofree char *uuidstr = NULL;
QemuUUID uuid;
int ret;
@@ -48,16 +45,7 @@ bool spapr_nvdimm_validate(HotplugHandler *hotplug_dev, NVDIMMDevice *nvdimm,
return false;
}
- /*
- * NVDIMM support went live in 5.1 without considering that, in
- * other archs, the user needs to enable NVDIMM support with the
- * 'nvdimm' machine option and the default behavior is NVDIMM
- * support disabled. It is too late to roll back to the standard
- * behavior without breaking 5.1 guests. What we can do is to
- * ensure that, if the user sets nvdimm=off, we error out
- * regardless of being 5.1 or newer.
- */
- if (!ms->nvdimms_state->is_enabled && nvdimm_opt) {
+ if (!ms->nvdimms_state->is_enabled) {
error_setg(errp, "nvdimm device found but 'nvdimm=off' was set");
return false;
}