diff options
Diffstat (limited to 'arch/x86_64/Kconfig.debug')
| -rw-r--r-- | arch/x86_64/Kconfig.debug | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/x86_64/Kconfig.debug b/arch/x86_64/Kconfig.debug index ea31b4c62105..1d92ab56c0f9 100644 --- a/arch/x86_64/Kconfig.debug +++ b/arch/x86_64/Kconfig.debug @@ -13,7 +13,7 @@ config DEBUG_RODATA If in doubt, say "N". config IOMMU_DEBUG - depends on GART_IOMMU && DEBUG_KERNEL + depends on IOMMU && DEBUG_KERNEL bool "Enable IOMMU debugging" help Force the IOMMU to on even when you have less than 4GB of @@ -35,6 +35,22 @@ config IOMMU_LEAK Add a simple leak tracer to the IOMMU code. This is useful when you are debugging a buggy device driver that leaks IOMMU mappings. +config DEBUG_STACKOVERFLOW + bool "Check for stack overflows" + depends on DEBUG_KERNEL + help + This option will cause messages to be printed if free stack space + drops below a certain limit. + +config DEBUG_STACK_USAGE + bool "Stack utilization instrumentation" + depends on DEBUG_KERNEL + help + Enables the display of the minimum amount of free stack which each + task has ever had available in the sysrq-T and sysrq-P debug output. + + This option will slow down process creation somewhat. + #config X86_REMOTE_DEBUG # bool "kgdb debugging stub" |