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-rw-r--r--security/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/security/Kconfig b/security/Kconfig
index 3b4effd8bbc2..5ea8914817f6 100644
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -54,6 +54,16 @@ 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
+ 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