| # 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. |
| |
| 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. |
| |
