dfsc 259 arch/arm64/mm/fault.c u64 par, dfsc; dfsc 282 arch/arm64/mm/fault.c dfsc = FIELD_GET(SYS_PAR_EL1_FST, par); dfsc 283 arch/arm64/mm/fault.c return (dfsc & ESR_ELx_FSC_TYPE) != ESR_ELx_FSC_FAULT;