1 # SPDX-License-Identifier: GPL-2.0
3 config TRACE_IRQFLAGS_SUPPORT
10 bool "Debug low-level entry code"
11 depends on DEBUG_KERNEL
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.
20 bool "CIO Inject interfaces"
21 depends on DEBUG_KERNEL && DEBUG_FS
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/*