x86/pti: Add the pti= cmdline option and documentation

[mirror_ubuntu-artful-kernel.git] / Documentation / admin-guide / kernel-parameters.txt

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 7206ad3c5e1d6b2aa9c5aadf5212f0650360c0e9..80f73d0b7866756f2b729b12dee717ee4ec0bb90 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3238,6 +3238,12 @@
        pt.             [PARIDE]
                        See Documentation/blockdev/paride.txt.
 
+       pti=            [X86_64]
+                       Control user/kernel address space isolation:
+                       on - enable
+                       off - disable
+                       auto - default setting
+
        pty.legacy_count=
                        [KNL] Number of legacy pty's. Overwrites compiled-in
                        default number.