1# SPDX-License-Identifier: GPL-2.0 2 3config TRACE_IRQFLAGS_SUPPORT 4 def_bool y 5 6config EARLY_PRINTK 7 def_bool y 8 9config DEBUG_ENTRY 10 bool "Debug low-level entry code" 11 depends on DEBUG_KERNEL 12 help 13 This option enables sanity checks in s390 low-level entry code. 14 Some of these sanity checks may slow down kernel entries and 15 exits or otherwise impact performance. 16 17 If unsure, say N. 18 19config CIO_INJECT 20 bool "CIO Inject interfaces" 21 depends on DEBUG_KERNEL && DEBUG_FS 22 help 23 This option provides a debugging facility to inject certain artificial events 24 and instruction responses to the CIO layer of Linux kernel. The newly created 25 debugfs user-interfaces will be at /sys/kernel/debug/s390/cio/* 26