diff options
Diffstat (limited to 'arch/parisc/Kconfig.debug')
| -rw-r--r-- | arch/parisc/Kconfig.debug | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug index bc989e522a04..f4f164eb12df 100644 --- a/arch/parisc/Kconfig.debug +++ b/arch/parisc/Kconfig.debug @@ -1,15 +1,23 @@ -menu "Kernel hacking" +# SPDX-License-Identifier: GPL-2.0 +# +config LIGHTWEIGHT_SPINLOCK_CHECK + bool "Enable lightweight spinlock checks" + depends on DEBUG_KERNEL && SMP && !DEBUG_SPINLOCK + default y + help + Add checks with low performance impact to the spinlock functions + to catch memory overwrites at runtime. For more advanced + spinlock debugging you should choose the DEBUG_SPINLOCK option + which will detect unitialized spinlocks too. + If unsure say Y here. -source "lib/Kconfig.debug" +config TLB_PTLOCK + bool "Use page table locks in TLB fault handler" + depends on DEBUG_KERNEL && SMP + default n + help + Select this option to enable page table locking in the TLB + fault handler. This ensures that page table entries are + updated consistently on SMP machines at the expense of some + loss in performance. -config DEBUG_RODATA - bool "Write protect kernel read-only data structures" - depends on DEBUG_KERNEL - help - Mark the kernel read-only data as write-protected in the pagetables, - in order to catch accidental (and incorrect) writes to such const - data. This option may have a slight performance impact because a - portion of the kernel code won't be covered by a TLB anymore. - If in doubt, say "N". - -endmenu |