From e27a07db50e8c68e7481ac4426a2d515a04a0441 Mon Sep 17 00:00:00 2001 From: Pierre Labastie Date: Tue, 22 Mar 2022 22:03:33 +0100 Subject: [PATCH] Fix kernel config to mount the devtmpfs before boot Also make the order and the layout the same as in menu. --- chapter10/kernel.xml | 33 ++++++++++++++++++++++----------- 1 file changed, 22 insertions(+), 11 deletions(-) diff --git a/chapter10/kernel.xml b/chapter10/kernel.xml index 5e4c7e699..df49a74d0 100644 --- a/chapter10/kernel.xml +++ b/chapter10/kernel.xml @@ -113,38 +113,40 @@ Device Drivers ---> [*] Support for frame buffer devices ---- Generic Driver Options ---> [ ] Support for uevent helper [CONFIG_UEVENT_HELPER] - [*] Maintain a devtmpfs filesystem to mount at /dev [CONFIG_DEVTMPFS] + [*] Maintain a devtmpfs filesystem to mount at /dev [CONFIG_DEVTMPFS] + [*] Automount devtmpfs at /dev, after the kernel mounted the rootfs [CONFIG_DEVTMPFS_MOUNT] General setup --> [ ] Auditing Support [CONFIG_AUDIT] + CPU/Task time and stats accounting ---> + [*] Pressure stall information tracking [CONFIG_PSI] < > Enable kernel headers through /sys/kernel/kheaders.tar.xz [CONFIG_IKHEADERS] [*] Control Group support [CONFIG_CGROUPS] ---> [*] Memory controller [CONFIG_MEMCG] [ ] Enable deprecated sysfs features to support old userspace tools [CONFIG_SYSFS_DEPRECATED] [*] Configure standard kernel features (expert users) [CONFIG_EXPERT] ---> [*] open by fhandle syscalls [CONFIG_FHANDLE] - CPU/Task time and stats accounting ---> - [*] Pressure stall information tracking [CONFIG_PSI] General architecture-dependent options ---> [*] Enable seccomp to safely compute untrusted bytecode [CONFIG_SECCOMP] Networking support ---> Networking options ---> <*> The IPv6 protocol [CONFIG_IPV6] Device Drivers ---> + Generic Driver Options ---> + [ ] Support for uevent helper [CONFIG_UEVENT_HELPER] + [*] Maintain a devtmpfs filesystem to mount at /dev [CONFIG_DEVTMPFS] + [*] Automount devtmpfs at /dev, after the kernel mounted the rootfs [CONFIG_DEVTMPFS_MOUNT] + Firmware Loader ---> + [ ] Enable the firmware sysfs fallback mechanism [CONFIG_FW_LOADER_USER_HELPER] Firmware Drivers ---> [*] Export DMI identification via sysfs to userspace [CONFIG_DMIID] Graphics support ---> Frame buffer Devices ---> - [*] Support for frame buffer devices ---- - Generic Driver Options ---> - [ ] Support for uevent helper [CONFIG_UEVENT_HELPER] - [*] Maintain a devtmpfs filesystem to mount at /dev [CONFIG_DEVTMPFS] - Firmware Loader ---> - [ ] Enable the firmware sysfs fallback mechanism [CONFIG_FW_LOADER_USER_HELPER] + <*> Support for frame buffer devices ---> File systems ---> [*] Inotify support for userspace [CONFIG_INOTIFY_USER] - Pseudo filesystems ---> - [*] Tmpfs POSIX Access Control Lists [CONFIG_TMPFS_POSIX_ACL] + Pseudo filesystems ---> + [*] Tmpfs POSIX Access Control Lists [CONFIG_TMPFS_POSIX_ACL] @@ -199,6 +201,15 @@ File systems ---> + + Automount devtmpfs at /dev + + This will mount the kernel view of the devices on /dev + upon switching to root filesystem just before starting + init. + + + Alternatively, make oldconfig may be more