Documentation: usb: fix typo in UVC gadgetfs config command

[sfrench/cifs-2.6.git] / security / Kconfig

diff --git a/security/Kconfig b/security/Kconfig
index e8e449444e658be4a9190c6ea2de14cca8fc4890..a623d13bf2884afdc6fdcdbe656811b7d31b2951 100644 (file)
--- 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