diff options
Diffstat (limited to 'hw/acpi/cpu_hotplug.c')
| -rw-r--r-- | hw/acpi/cpu_hotplug.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c index e19d902063..f15a2402fc 100644 --- a/hw/acpi/cpu_hotplug.c +++ b/hw/acpi/cpu_hotplug.c @@ -15,6 +15,7 @@ #include "qapi/error.h" #include "qom/cpu.h" #include "hw/i386/pc.h" +#include "qemu/error-report.h" #define CPU_EJECT_METHOD "CPEJ" #define CPU_MAT_METHOD "CPMA" @@ -63,7 +64,8 @@ static void acpi_set_cpu_present_bit(AcpiCpuHotplug *g, CPUState *cpu, cpu_id = k->get_arch_id(cpu); if ((cpu_id / 8) >= ACPI_GPE_PROC_LEN) { - error_setg(errp, "acpi: invalid cpu id: %" PRIi64, cpu_id); + object_property_set_bool(g->device, false, "cpu-hotplug-legacy", + &error_abort); return; } @@ -85,13 +87,14 @@ void legacy_acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner, { CPUState *cpu; - CPU_FOREACH(cpu) { - acpi_set_cpu_present_bit(gpe_cpu, cpu, &error_abort); - } memory_region_init_io(&gpe_cpu->io, owner, &AcpiCpuHotplug_ops, gpe_cpu, "acpi-cpu-hotplug", ACPI_GPE_PROC_LEN); memory_region_add_subregion(parent, base, &gpe_cpu->io); gpe_cpu->device = owner; + + CPU_FOREACH(cpu) { + acpi_set_cpu_present_bit(gpe_cpu, cpu, &error_abort); + } } void acpi_switch_to_modern_cphp(AcpiCpuHotplug *gpe_cpu, @@ -234,7 +237,11 @@ void build_legacy_cpu_hotplug_aml(Aml *ctx, MachineState *machine, /* The current AML generator can cover the APIC ID range [0..255], * inclusive, for VCPU hotplug. */ QEMU_BUILD_BUG_ON(ACPI_CPU_HOTPLUG_ID_LIMIT > 256); - g_assert(pcms->apic_id_limit <= ACPI_CPU_HOTPLUG_ID_LIMIT); + if (pcms->apic_id_limit > ACPI_CPU_HOTPLUG_ID_LIMIT) { + error_report("max_cpus is too large. APIC ID of last CPU is %u", + pcms->apic_id_limit - 1); + exit(1); + } /* create PCI0.PRES device and its _CRS to reserve CPU hotplug MMIO */ dev = aml_device("PCI0." stringify(CPU_HOTPLUG_RESOURCE_DEVICE)); |