Message ID | 20230603032255.517970-3-suravee.suthikulpanit@amd.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Series |
hw/i386/pc: Update max_cpus and default to SMBIOS
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expand
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diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 2d1bb5fde5..2124ada58d 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -382,7 +382,7 @@ static void pc_q35_machine_options(MachineClass *m) machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); - m->max_cpus = 288; + m->max_cpus = 1024; } static void pc_q35_8_1_machine_options(MachineClass *m)
Since KVM_MAX_VCPUS is currently defined to 1024 for x86 as shown in arch/x86/include/asm/kvm_host.h, update QEMU limits to the same number. In case KVM could not support the specified number of vcpus, QEMU would return the following error message: qemu-system-x86_64: kvm_init_vcpu: kvm_get_vcpu failed (xxx): Invalid argument Cc: Igor Mammedov <imammedo@redhat.com> Cc: Daniel P. Berrangé <berrange@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Julia Suvorova <jusual@redhat.com> Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> --- hw/i386/pc_q35.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)