PCMachineClass::resizable_acpi_blob was only used by the pc-i440fx-2.2 machine, which got removed. It is now always true. Remove it, simplifying acpi_build(). Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx> Reviewed-by: Zhao Liu <zhao1.liu@xxxxxxxxx> --- include/hw/i386/pc.h | 3 --- hw/i386/acpi-build.c | 10 ---------- hw/i386/pc.c | 1 - 3 files changed, 14 deletions(-) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index df97df6ca7..10a8ffa0de 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -124,9 +124,6 @@ struct PCMachineClass { /* create kvmclock device even when KVM PV features are not exposed */ bool kvmclock_create_always; - /* resizable acpi blob compat */ - bool resizable_acpi_blob; - /* * whether the machine type implements broken 32-bit address space bound * check for memory. diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index a6f8203460..ab2d4d8dcb 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -2688,16 +2688,6 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine) * keep the table size stable for all (max_cpus, max_memory_slots) * combinations. */ - /* Make sure we have a buffer in case we need to resize the tables. */ - if ((tables_blob->len > ACPI_BUILD_TABLE_SIZE / 2) && - !pcmc->resizable_acpi_blob) { - /* As of QEMU 2.1, this fires with 160 VCPUs and 255 memory slots. */ - warn_report("ACPI table size %u exceeds %d bytes," - " migration may not work", - tables_blob->len, ACPI_BUILD_TABLE_SIZE / 2); - error_printf("Try removing CPUs, NUMA nodes, memory slots" - " or PCI bridges.\n"); - } acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE); acpi_align_size(tables->linker->cmd_blob, ACPI_BUILD_ALIGN_SIZE); diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 18bef7c85e..c4a7885a3b 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -1755,7 +1755,6 @@ static void pc_machine_class_init(ObjectClass *oc, void *data) pcmc->acpi_data_size = 0x20000 + 0x8000; pcmc->pvh_enabled = true; pcmc->kvmclock_create_always = true; - pcmc->resizable_acpi_blob = true; x86mc->apic_xrupt_override = true; assert(!mc->get_hotplug_handler); mc->get_hotplug_handler = pc_get_hotplug_handler; -- 2.41.0