From: Igor Mammedov <[email protected]> ... if user attempts to start it with memory hotplug enabled.
Signed-off-by: Igor Mammedov <[email protected]> Acked-by: Peter Crosthwaite <[email protected]> Reviewed-by: Michael S. Tsirkin <[email protected]> Signed-off-by: Michael S. Tsirkin <[email protected]> --- hw/i386/pc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 830aeee..4fad414 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1225,6 +1225,16 @@ FWCfgState *pc_memory_init(MemoryRegion *system_memory, e820_add_entry(0x100000000ULL, above_4g_mem_size, E820_RAM); } + if (!guest_info->has_reserved_memory && + (machine->ram_slots || + (machine->maxram_size > ram_size))) { + MachineClass *mc = MACHINE_GET_CLASS(machine); + + error_report("\"-memory 'slots|maxmem'\" is not supported by: %s", + mc->name); + exit(EXIT_FAILURE); + } + /* initialize hotplug memory address space */ if (guest_info->has_reserved_memory && (ram_size < machine->maxram_size)) { -- MST
