By UEFI, BIOS should put all APs into which state after EFI_EVENT_LEGACY_BOOT_GUID or EFI_EVENT_GROUP_EXIT_BOOT_SERVICES is signaled?
All the APs must be placed in the OS compatible CPU state as defined by the UEFI Specification.
Below is an instruction that describes a task. Write a response that appropriately completes the request. ### Instruction: By UEFI, BIOS should put all APs into which state after EFI_EVENT_LEGACY_BOOT_GUID or EFI_EVENT_GROUP_EXIT_BOOT_SERVICES is signaled? ### Response: All the APs must be placed in the OS compatible CPU state as defined by the UEFI Specification. 