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Diffstat (limited to '')
| -rw-r--r-- | arch/parisc/Kconfig.debug | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug index f66554cd5c45..1401e4c5fe5f 100644 --- a/arch/parisc/Kconfig.debug +++ b/arch/parisc/Kconfig.debug @@ -1 +1,23 @@ # SPDX-License-Identifier: GPL-2.0 +# +config LIGHTWEIGHT_SPINLOCK_CHECK + bool "Enable lightweight spinlock checks" + depends on 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. + +config TLB_PTLOCK + bool "Use page table locks in TLB fault handler" + depends on 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. + |