diff options
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 1235cec5ceaa..5ffb79162a72 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -750,6 +750,15 @@ config IDLE_PAGE_TRACKING config ARCH_HAS_CACHE_LINE_SIZE bool +config ARCH_HAS_CURRENT_STACK_POINTER + bool + help + In support of HARDENED_USERCOPY performing stack variable lifetime + checking, an architecture-agnostic way to find the stack pointer + is needed. Once an architecture defines an unsigned long global + register alias named "current_stack_pointer", this config can be + selected. + config ARCH_HAS_PTE_DEVMAP bool |