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- # SPDX-License-Identifier: GPL-2.0
- config EARLY_PRINTK
- def_bool y
- config DEBUG_ENTRY
- bool "Debug low-level entry code"
- depends on DEBUG_KERNEL
- help
- This option enables sanity checks in s390 low-level entry code.
- Some of these sanity checks may slow down kernel entries and
- exits or otherwise impact performance.
- If unsure, say N.
- config CIO_INJECT
- bool "CIO Inject interfaces"
- depends on DEBUG_KERNEL && DEBUG_FS
- help
- This option provides a debugging facility to inject certain artificial events
- and instruction responses to the CIO layer of Linux kernel. The newly created
- debugfs user-interfaces will be at /sys/kernel/debug/s390/cio/*
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