diff options
Diffstat (limited to 'hw/ppc/spapr.c')
| -rw-r--r-- | hw/ppc/spapr.c | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 44e401a..0636642 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1816,11 +1816,21 @@ static void ppc_spapr_init(MachineState *machine) /* initialize hotplug memory address space */ if (machine->ram_size < machine->maxram_size) { ram_addr_t hotplug_mem_size = machine->maxram_size - machine->ram_size; + /* + * Limit the number of hotpluggable memory slots to half the number + * slots that KVM supports, leaving the other half for PCI and other + * devices. However ensure that number of slots doesn't drop below 32. + */ + int max_memslots = kvm_enabled() ? kvm_get_max_memslots() / 2 : + SPAPR_MAX_RAM_SLOTS; - if (machine->ram_slots > SPAPR_MAX_RAM_SLOTS) { + if (max_memslots < SPAPR_MAX_RAM_SLOTS) { + max_memslots = SPAPR_MAX_RAM_SLOTS; + } + if (machine->ram_slots > max_memslots) { error_report("Specified number of memory slots %" PRIu64" exceeds max supported %d", - machine->ram_slots, SPAPR_MAX_RAM_SLOTS); + machine->ram_slots, max_memslots); exit(1); } @@ -2344,18 +2354,36 @@ static const TypeInfo spapr_machine_info = { type_init(spapr_machine_register_##suffix) /* + * pseries-2.7 + */ +static void spapr_machine_2_7_instance_options(MachineState *machine) +{ +} + +static void spapr_machine_2_7_class_options(MachineClass *mc) +{ + /* Defaults for the latest behaviour inherited from the base class */ +} + +DEFINE_SPAPR_MACHINE(2_7, "2.7", true); + +/* * pseries-2.6 */ +#define SPAPR_COMPAT_2_6 \ + HW_COMPAT_2_6 + static void spapr_machine_2_6_instance_options(MachineState *machine) { } static void spapr_machine_2_6_class_options(MachineClass *mc) { - /* Defaults for the latest behaviour inherited from the base class */ + spapr_machine_2_7_class_options(mc); + SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_6); } -DEFINE_SPAPR_MACHINE(2_6, "2.6", true); +DEFINE_SPAPR_MACHINE(2_6, "2.6", false); /* * pseries-2.5 |