Changeset e9ba8aa8 for bootscripts/lfs

Timestamp:

01/16/2012 06:34:31 PM (12 years ago)

Author:

Bruce Dubbs <bdubbs@…>

Branches:

10.0, 10.0-rc1, 10.1, 10.1-rc1, 11.0, 11.0-rc1, 11.0-rc2, 11.0-rc3, 11.1, 11.1-rc1, 11.2, 11.2-rc1, 11.3, 11.3-rc1, 12.0, 12.0-rc1, 12.1, 12.1-rc1, 7.1, 7.2, 7.3, 7.4, 7.5, 7.5-systemd, 7.6, 7.6-systemd, 7.7, 7.7-systemd, 7.8, 7.8-systemd, 7.9, 7.9-systemd, 8.0, 8.1, 8.2, 8.3, 8.4, 9.0, 9.1, arm, bdubbs/gcc13, ml-11.0, multilib, renodr/libudev-from-systemd, s6-init, trunk, xry111/arm64, xry111/arm64-12.0, xry111/clfs-ng, xry111/lfs-next, xry111/loongarch, xry111/loongarch-12.0, xry111/loongarch-12.1, xry111/mips64el, xry111/pip3, xry111/rust-wip-20221008, xry111/update-glibc

Children:

f70b664

Parents:

6c3ab2e

Message:

Change bootscripts to use devtmpfs for /dev.
Move mounting of /dev to mountvirtfs and ensure /dev gets placed in /etc/mtab.
Change fstab and kernel configuration sections to reflect these changes.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/trunk/BOOK@9710 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

Location:

bootscripts/lfs/init.d

Files:

• mountfs (modified) (1 diff)
• mountvirtfs (modified) (1 diff)
• udev (modified) (1 diff)

bootscripts/lfs/init.d/mountfs

@@ -47 +47 @@
       mount -f /sys  || failed=1
       mount -f /run  || failed=1
+      mount -f /dev  || failed=1
       (exit ${failed})
       evaluate_retval

bootscripts/lfs/init.d/mountvirtfs

@@ -42 +42 @@
       if ! mountpoint /proc >/dev/null; then
          log_info_msg2 " ${INFO}/proc"
-         mount -n /proc || failed=1
+         mount -n -o nosuid,noexec,nodev /proc || failed=1
       fi
 
       if ! mountpoint /sys >/dev/null; then
          log_info_msg2 " ${INFO}/sys" 
-         mount -n /sys || failed=1
+         mount -n -o nosuid,noexec,nodev /sys || failed=1
       fi
+
+      if ! mountpoint /dev >/dev/null; then
+         log_info_msg2 " ${INFO}/dev" 
+         mount -n -o mode=0755,nosuid /dev  || failed=1
+      fi
+
+      ln -s /run/shm /dev/shm
+      
+      # Copy the only static device node that Udev >= 155 doesn't
+      # handle to /dev
+      cp -a /lib/udev/devices/null /dev
 
       (exit ${failed})

bootscripts/lfs/init.d/udev

@@ -44 +44 @@
       fi
 
-      # Mount a temporary file system over /dev, so that any devices
-      # made or removed during this boot don't affect the next one.
-      # The reason we don't write to mtab is because we don't ever
-      # want /dev to be unavailable (such as by `umount -a').
-      if ! mountpoint /dev > /dev/null; then
-         mount -n -t tmpfs tmpfs /dev -o mode=755
-      fi
-
-      if [ ${?} != 0 ]; then
-         log_failure_msg2
-         msg="FAILURE:\n\nCannot mount a tmpfs "
-         msg="${msg}onto /dev, this system will be halted.\n\n"
-         msg="${msg}After you press Enter, this system "
-         msg="${msg}will be halted and powered off.\n\n"
-         log_failure_msg "$msg"
-         log_info_msg "Press Enter to continue..."
-         wait_for_user
-         /etc/rc.d/init.d/halt stop
-      fi
-
-      ln -s /run/shm /dev/shm
-
       # Udev handles uevents itself, so we don't need to have
       # the kernel call out to any binary in response to them
       echo > /proc/sys/kernel/hotplug
-
-      # Copy the only static device node that Udev >= 155 doesn't
-      # handle to /dev
-      cp -a /lib/udev/devices/null /dev
 
       # Start the udev daemon to continually watch for, and act on,