diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index d07cca6ad37b..8b680a5cb25b 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -156,6 +156,8 @@ config X86 select X86_DEV_DMA_OPS if X86_64 select X86_FEATURE_NAMES if PROC_FS select HAVE_STACK_VALIDATION if X86_64 + select ARCH_USES_HIGH_VMA_FLAGS if X86_INTEL_MEMORY_PROTECTION_KEYS + select ARCH_HAS_PKEYS if X86_INTEL_MEMORY_PROTECTION_KEYS config INSTRUCTION_DECODER def_bool y @@ -1719,6 +1721,20 @@ config X86_INTEL_MPX If unsure, say N. +config X86_INTEL_MEMORY_PROTECTION_KEYS + prompt "Intel Memory Protection Keys" + def_bool y + # Note: only available in 64-bit mode + depends on CPU_SUP_INTEL && X86_64 + ---help--- + Memory Protection Keys provides a mechanism for enforcing + page-based protections, but without requiring modification of the + page tables when an application changes protection domains. + + For details, see Documentation/x86/protection-keys.txt + + If unsure, say y. + config EFI bool "EFI runtime service support" depends on ACPI |