MBOX_HEADER_SIZE - Linux

Symbol: MBOX_HEADER_SIZE

arch/x86/kernel/cpu/microcode/intel.c

mbox_size = MBOX_HEADER_SIZE * 2 + ss->chunk_size;

arch/x86/kernel/cpu/microcode/intel.c

const u64 expected_header = MBOX_HEADER(MBOX_HEADER_SIZE + MBOX_RESPONSE_SIZE);