[lfs] 02/02: Set kernel config to unset LEGACY_TIOCSTI

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commit 34cca7cb707497879236c9cc68df2eec7d80b055
Author: Bruce Dubbs <[email protected]>
AuthorDate: Fri Aug 14 12:58:51 2026 -0500

    Set kernel config to unset LEGACY_TIOCSTI
    
    The alternate way to unset TIOCSTI is to
    set /proc/sys/dev/tty/legacy_tiocsti to 0
    from the command line.
---
 chapter10/kernel/systemd.toml | 1 +
 chapter10/kernel/systemd.xml  | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/chapter10/kernel/systemd.toml b/chapter10/kernel/systemd.toml
index 565eeb49d..dd0bfab4b 100644
--- a/chapter10/kernel/systemd.toml
+++ b/chapter10/kernel/systemd.toml
@@ -29,6 +29,7 @@ INOTIFY_USER='*'
 TMPFS='*'
 TMPFS_POSIX_ACL='*'
 CGROUP_SCHED='* '
+LEGACY_TIOCSTI=' '
 
 revision='systemd'
 
diff --git a/chapter10/kernel/systemd.xml b/chapter10/kernel/systemd.xml
index 924dbb5a1..fc104db98 100644
--- a/chapter10/kernel/systemd.xml
+++ b/chapter10/kernel/systemd.xml
@@ -35,12 +35,17 @@
     [ ] <emphasis role='blue'>S</emphasis>upport for uevent helper                                [UEVENT_HELPER]
     [*] M<emphasis role='blue'>a</emphasis>intain a devtmpfs filesystem to mount at /dev               [DEVTMPFS]
     [*]   <emphasis role='blue'>A</emphasis>utomount devtmpfs at /dev, after the kernel mounted the rootfs
-                                                           ...  [DEVTMPFS_MOUNT]
     <emphasis role='blue'>F</emphasis>irmware loader ---&gt;
       [ ] <emphasis role='blue'>E</emphasis>nable the firmware sysfs fallback mechanism   [FW_LOADER_USER_HELPER]
+
   <emphasis role='blue'>F</emphasis>irmware Drivers ---&gt;
     [*] <emphasis role='blue'>E</emphasis>xport DMI identification via sysfs to userspace                 [DMIID]
     [*] M<emphasis role='blue'>a</emphasis>rk VGA/VBE/EFI FB as generic system framebuffer       [SYSFB_SIMPLEFB]
+                                                           ...  [DEVTMPFS_MOUNT]
+  <emphasis role='blue'>C</emphasis>haracter devices ---&gt;
+    [Y] <emphasis role='blue'>E</emphasis>nable TTY ---&gt;                                                    [TTY]
+      [ ] <emphasis role='blue'>A</emphasis>llow legacy TIOCSTI usage                            [LEGACY_TIOCSTI]
+
   <emphasis role='blue'>G</emphasis>raphics support ---&gt;
     &lt;*&gt;    <emphasis role='blue'>D</emphasis>irect Rendering Manager (XFree86 4.1.0 and higher DRI support) ---&gt;
                                                                       ...  [DRM]

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