linux/arch/s390/Kconfig.debug
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   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/*
  26