GUC_PF_MSG_LEN_DW
BUILD_BUG_ON(GUC_PF_MSG_LEN_DW > XE_PAGEFAULT_PRODUCER_MSG_LEN_DW);
if (len != GUC_PF_MSG_LEN_DW)
for (i = 0; i < GUC_PF_MSG_LEN_DW; ++i)