0001 # SPDX-License-Identifier: GPL-2.0
0002
0003 config EARLY_PRINTK
0004 def_bool y
0005
0006 config DEBUG_ENTRY
0007 bool "Debug low-level entry code"
0008 depends on DEBUG_KERNEL
0009 help
0010 This option enables sanity checks in s390 low-level entry code.
0011 Some of these sanity checks may slow down kernel entries and
0012 exits or otherwise impact performance.
0013
0014 If unsure, say N.
0015
0016 config CIO_INJECT
0017 bool "CIO Inject interfaces"
0018 depends on DEBUG_KERNEL && DEBUG_FS
0019 help
0020 This option provides a debugging facility to inject certain artificial events
0021 and instruction responses to the CIO layer of Linux kernel. The newly created
0022 debugfs user-interfaces will be at /sys/kernel/debug/s390/cio/*
