diff options
| -rw-r--r-- | security/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/security/Kconfig b/security/Kconfig index e8e449444e65..6614b9312b45 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -54,6 +54,17 @@ config SECURITY_NETWORK implement socket and networking access controls. If you are unsure how to answer this question, answer N. +config PAGE_TABLE_ISOLATION + bool "Remove the kernel mapping in user mode" + depends on X86_64 && !UML + default y + help + This feature reduces the number of hardware side channels by + ensuring that the majority of kernel addresses are not mapped + into userspace. + + See Documentation/x86/pagetable-isolation.txt for more details. + config SECURITY_INFINIBAND bool "Infiniband Security Hooks" depends on SECURITY && INFINIBAND |