x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32

[mirror_ubuntu-bionic-kernel.git] / security / Kconfig

diff --git a/security/Kconfig b/security/Kconfig
index 16803be979b247643f6082718b69eead34cf23fb..ffe994d38c23f4ee1dd0319da4900ec01a9c4544 100644 (file)
--- a/security/Kconfig
+++ b/security/Kconfig
@@ -99,7 +99,7 @@ config SECURITY_NETWORK
 config PAGE_TABLE_ISOLATION
        bool "Remove the kernel mapping in user mode"
        default y
-       depends on X86_64 && !UML
+       depends on (X86_64 || X86_PAE) && !UML
        help
          This feature reduces the number of hardware side channels by
          ensuring that the majority of kernel addresses are not mapped