diff --git a/fs_mgr/Android.bp b/fs_mgr/Android.bp
index bf58315..d9f2837 100644
--- a/fs_mgr/Android.bp
+++ b/fs_mgr/Android.bp
@@ -99,6 +99,11 @@
         "fs_mgr_boot_config.cpp",
         "fs_mgr_slotselect.cpp",
     ],
+    target: {
+        darwin: {
+            enabled: false,
+        },
+    },
     export_include_dirs: ["include_fstab"],
     header_libs: ["libbase_headers"],
 }
diff --git a/fs_mgr/README.overlayfs.md b/fs_mgr/README.overlayfs.md
index 960410c..8784c94 100644
--- a/fs_mgr/README.overlayfs.md
+++ b/fs_mgr/README.overlayfs.md
@@ -53,9 +53,13 @@
     $ adb disable-verity
     $ adb reboot
 
-can be replaced with:
+*or*
 
-    $ adb reboot -R
+    $ adb remount
+
+can be replaced in both places with:
+
+    $ adb remount -R
 
 which will not reboot if everything is already prepared and ready
 to go.
diff --git a/init/init.cpp b/init/init.cpp
index dc46a82..d360fdd 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -451,6 +451,8 @@
     // Also, binder can't be used by recovery.
 #ifndef RECOVERY
     android::ProcessState::self()->setThreadPoolMaxThreadCount(0);
+    android::ProcessState::self()->setCallRestriction(
+            ProcessState::CallRestriction::ERROR_IF_NOT_ONEWAY);
 #endif
     return Success();
 }