diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 7dbd5d9c29a4..30df5865ecbe 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -50,6 +50,14 @@ config MAGIC_SYSRQ keys are documented in <file:Documentation/sysrq.txt>. Don't say Y unless you really know what this hack does. +config STRIP_ASM_SYMS + bool "Strip assembler-generated symbols during link" + default n + help + Strip internal assembler-generated symbols during a link (symbols + that look like '.Lxxx') so they don't pollute the output of + get_wchan() and suchlike. + config UNUSED_SYMBOLS bool "Enable unused/obsolete exported symbols" default y if X86 @@ -338,8 +346,9 @@ config SLUB_STATS config DEBUG_KMEMLEAK bool "Kernel memory leak detector" - depends on DEBUG_KERNEL && EXPERIMENTAL && (X86 || ARM) && \ - !MEMORY_HOTPLUG + depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \ + (X86 || ARM || PPC || S390) + select DEBUG_FS if SYSFS select STACKTRACE if STACKTRACE_SUPPORT select KALLSYMS @@ -362,7 +371,7 @@ config DEBUG_KMEMLEAK config DEBUG_KMEMLEAK_EARLY_LOG_SIZE int "Maximum kmemleak early log entries" depends on DEBUG_KMEMLEAK - range 200 2000 + range 200 40000 default 400 help Kmemleak must track all the memory allocations to avoid @@ -805,6 +814,21 @@ config DEBUG_BLOCK_EXT_DEVT Say N if you are unsure. +config DEBUG_FORCE_WEAK_PER_CPU + bool "Force weak per-cpu definitions" + depends on DEBUG_KERNEL + help + s390 and alpha require percpu variables in modules to be + defined weak to work around addressing range issue which + puts the following two restrictions on percpu variable + definitions. + + 1. percpu symbols must be unique whether static or not + 2. percpu variables can't be defined inside a function + + To ensure that generic code follows the above rules, this + option forces all percpu variables to be defined as weak. + config LKDTM tristate "Linux Kernel Dump Test Tool Module" depends on DEBUG_KERNEL |