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Diffstat (limited to 'arch/s390/Kconfig.debug')
| -rw-r--r-- | arch/s390/Kconfig.debug | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug new file mode 100644 index 000000000..7955d7eee --- /dev/null +++ b/arch/s390/Kconfig.debug @@ -0,0 +1,32 @@ +# 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 STRICT_MM_TYPECHECKS + bool "Strict Memory Management Type Checks" + depends on DEBUG_KERNEL + help + Enable strict type checking for memory management types like pte_t + and pmd_t. This generates slightly worse code and should be used + for debug builds. + + 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/* |