resources: Update Dockerfile for building kernel and modules for 22.04 disk image

Author: Harshil2107

src/ubuntu-generic-diskimages/kernel-and-modules/arm-ubuntu-22.04/Dockerfile

@@ -23,8 +23,11 @@ RUN mkdir /workspace
 RUN cd /workspace && apt source linux-image-unsigned-5.15.0-25-generic
 
 RUN cd /workspace/linux-5.15.0 && \
+    cd scripts && \
+    chmod +x pahole-version.sh && \
+    cd .. && \
     make defconfig && \
-    make -j $(nproc) && \
+    make -j 32 && \
     make INSTALL_MOD_PATH=/workspace/output modules_install
 
 RUN git clone https://github.com/gem5/gem5.git --depth=1 --filter=blob:none --no-checkout --sparse --single-branch --branch=release-staging-v24-1-1-0 && \
@@ -37,7 +40,7 @@ RUN git clone https://github.com/gem5/gem5.git --depth=1 --filter=blob:none --no
 RUN cd gem5/util/gem5_bridge && \
     make KMAKEDIR=/workspace/linux-5.15.0 INSTALL_MOD_PATH=/workspace/output build install
 
-RUN cd /workspace/output/lib/modules/5.15.* && \
+RUN cd /workspace/output/lib/modules/5.15.168 && \
     rm -rf build source
 
 FROM scratch AS export-stage

src/ubuntu-generic-diskimages/kernel-and-modules/arm-ubuntu-22.04/copy_modules_to_host.sh

@@ -3,8 +3,8 @@
 # Copyright (c) 2025 The Regents of the University of California.
 # SPDX-License-Identifier: BSD 3-Clause
 
-DOCKERFILE="./22.04-dockerfile/Dockerfile"
-OUTPUT="my-arm-5.15.167-kernel"
+DOCKERFILE="Dockerfile"
+OUTPUT="my-arm-5.15.168-kernel"
 
 # Build the Docker image
 DOCKER_BUILDKIT=1 docker build --no-cache \

src/ubuntu-generic-diskimages/packer-scripts/arm-ubuntu.pkr.hcl

@@ -38,7 +38,7 @@ locals {
       iso_checksum  = "sha256:c209ab013280d3cd26a344def60b7b19fbb427de904ea285057d94ca6ac82dd5"
       output_dir    = "arm-disk-image-22-04"
       http_directory = "http/arm-22-04"
-      modules_dir = "kernel-and-modules/arm-ubuntu-22.04/my-arm-5.15.167-kernel/5.15.167"
+      modules_dir = "kernel-and-modules/arm-ubuntu-22.04/my-arm-5.15.168-kernel/5.15.168"
     }
     "24.04" = {
       iso_url       = "https://cdimage.ubuntu.com/releases/24.04/release/ubuntu-24.04-live-server-arm64.iso"

src/ubuntu-generic-diskimages/scripts/update-modules-arm-22.04.sh

@@ -6,8 +6,8 @@
 echo "Updating modules."
 
 # moving modules to the correct location
-mv /home/gem5/5.15.167 /lib/modules/5.15.167
-depmod --quick -a 5.15.167
-update-initramfs -u -k 5.15.167
+mv /home/gem5/5.15.168 /lib/modules/5.15.168
+depmod --quick -a 5.15.168
+update-initramfs -u -k 5.15.168
 
 echo "Modules updated."