x86/speculation/mds: Add mitigation control for MDS

[mirror_ubuntu-bionic-kernel.git] / init / main.c

diff --git a/init/main.c b/init/main.c
index 44f88af9b191d5d3d3f285fbe1f2aae4699734e2..86189df2f34ad163bae6dbb66e8b2aa8ac996b05 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -1009,6 +1009,13 @@ static int __ref kernel_init(void *unused)
        ftrace_free_init_mem();
        free_initmem();
        mark_readonly();
+
+       /*
+        * Kernel mappings are now finalized - update the userspace page-table
+        * to finalize PTI.
+        */
+       pti_finalize();
+
        system_state = SYSTEM_RUNNING;
        numa_default_policy();