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/*