Merge pull request #22 from codekow/kernel-optimize

update: fix docker build; minor kernel tweaks

config/linux-5.15.y.config

@@ -84,7 +84,7 @@ CONFIG_TICK_ONESHOT=y
 CONFIG_HZ_PERIODIC=y
 # CONFIG_NO_HZ_IDLE is not set
 # CONFIG_NO_HZ_FULL is not set
-# CONFIG_NO_HZ is not set
+CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 # end of Timers subsystem
 
@@ -2111,7 +2111,7 @@ CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_LDISC_AUTOLOAD=y
 
 #
@@ -3642,7 +3642,7 @@ CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_TMPFS_XATTR is not set
 CONFIG_MEMFD_CREATE=y
-CONFIG_CONFIGFS_FS=y
+CONFIG_CONFIGFS_FS=m
 # end of Pseudo filesystems
 
 CONFIG_MISC_FILESYSTEMS=y

config/linux-default.config

@@ -84,7 +84,7 @@ CONFIG_TICK_ONESHOT=y
 CONFIG_HZ_PERIODIC=y
 # CONFIG_NO_HZ_IDLE is not set
 # CONFIG_NO_HZ_FULL is not set
-# CONFIG_NO_HZ is not set
+CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 # end of Timers subsystem
 
@@ -2111,7 +2111,7 @@ CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+CONFIG_LEGACY_PTY_COUNT=16
 CONFIG_LDISC_AUTOLOAD=y
 
 #
@@ -3581,8 +3581,8 @@ CONFIG_QUOTA_TREE=y
 # CONFIG_QFMT_V1 is not set
 CONFIG_QFMT_V2=y
 CONFIG_QUOTACTL=y
-CONFIG_AUTOFS4_FS=y
-CONFIG_AUTOFS_FS=y
+CONFIG_AUTOFS4_FS=m
+CONFIG_AUTOFS_FS=m
 CONFIG_FUSE_FS=m
 CONFIG_CUSE=m
 # CONFIG_VIRTIO_FS is not set
@@ -3642,7 +3642,7 @@ CONFIG_TMPFS=y
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_TMPFS_XATTR is not set
 CONFIG_MEMFD_CREATE=y
-CONFIG_CONFIGFS_FS=y
+CONFIG_CONFIGFS_FS=m
 # end of Pseudo filesystems
 
 CONFIG_MISC_FILESYSTEMS=y

docker/README.md

@@ -1,7 +1,13 @@
 # Build with docker / podman
 
+Run build scripts in a container.
+
+Note: you may have to use `sudo` to run the script to have the ability to build rootfs
+
 ```
+# kernel building
 docker/builder.sh
 
-./build.sh
+# rootfs & kernel building
+sudo docker/builder.sh
 ```

docker/builder.sh

@@ -1,13 +1,17 @@
 #!/bin/sh
+getenforce && SELINUX=':z'
+
+getenforce && SELINUX=':z'
+which podman && alias docker=podman
+
+# docker rm mycloud-builder -f
 
 docker build \
   -t localhost/mycloud-builder \
   -f docker/Dockerfile
 
-docker rm mycloud-builder -f
-
 docker run -it --rm \
   --name mycloud-builder \
-  -v $(pwd):/build:z \
+  -v $(pwd):/build${SELINUX} \
   --privileged \
   localhost/mycloud-builder