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