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mpempe
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Merge branch 'master' into deploy
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‎README.md

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@@ -149,3 +149,72 @@ $ make rebuild-image@ppc64le@ubuntu
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Note that the build mounts the source tree read-only, so nothing it does can
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affect your source tree.
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Bisecting the kernel vs a selftest
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----------------------------------
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Build the selftests using a version of the test that's known good. Usually
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there's no reason to rebuild the tests on every kernel revision.
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These examples are run from the kernel directory, not the ci-scripts directory.
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It can be done either way, but it's more natural to run from the kernel
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directory when bisectting the kernel. This assumes Linux is in `~/linux` and
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these scripts are in `~/ci-scripts`, adapt as appropriate.
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```
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$ cd ~/linux
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```
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```
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$ make SRC=$PWD -C ~/ci-scripts/build QUIET=1 JFACTOR=$(nproc) ppctests@ppc64le@ubuntu@16.04 INSTALL=1
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```
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:rotating_light: Using an old Ubuntu image uses an older libc, which is more
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likely to be present on the guest root filesystem. Another option is to build
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the selftests statically.
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Tar up the selftests into the current directory, the qemu scripts will detect them:
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```
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$ tar -czf selftests.tar.gz -C $HOME/ci-scripts/build/output/selftests_powerpc@ppc64le@ubuntu@16.04/ install
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```
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```
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$ ~/ci-scripts/scripts/boot/qemu-pseries+kvm --callback "run_selftests(powerpc/mm:wild_bctr)"
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...
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INFO: Running 'qemu-system-ppc64 -nographic -vga none -M pseries -smp 8 -m 4G -accel kvm ...
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...
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/ # INFO: Running individual selftests powerpc/mm:wild_bctr
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/var/tmp/selftests/run_kselftest.sh -t powerpc/mm:wild_bctr
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[ 2.783761][ T201] kselftest: Running tests in powerpc
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TAP version 13
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1..1
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# timeout set to 300
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# selftests: powerpc/mm: wild_bctr
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# test: wild_bctr
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# tags: git_version:v6.8-rc6-2555-gfe559db
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# Everything is OK in here.
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...
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# success: wild_bctr
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ok 1 selftests: powerpc/mm: wild_bctr
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/ # poweroff
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/ # Stopping network: [ 3.104385][ T274] ip (274) used greatest stack depth: 10912 bytes left
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OK
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Saving random seed: OK
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Stopping klogd: OK
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Stopping syslogd: OK
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umount: devtmpfs busy - remounted read-only
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umount: can't unmount /: Invalid argument
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The system is going down NOW!
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Sent SIGTERM to all processes
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Sent SIGKILL to all processes
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Requesting system poweroff
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[ 5.152672][ T293] reboot: Power down
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INFO: Test completed OK
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```
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More than one selftest can be run by passing multiple arguments to
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`run_selftests` or by passing multiple `--callback` options.
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From there the bisection can either be run by hand, or fully automated by
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creating a script to build the kernel and run the qemu test.

‎build/allcross/Dockerfile

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@@ -38,7 +38,7 @@ RUN apt-get -q -y update && \
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libc-dev \
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libelf-dev \
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libfuse-dev \
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liblz4-tool \
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lz4 \
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libssl-dev \
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lzop \
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make \
@@ -52,11 +52,7 @@ RUN apt-get -q -y update && \
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xz-utils && \
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rm -rf /var/lib/apt/lists/* /tmp/packages.sh /var/cache/* /var/log/dpkg.log
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ARG uid
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ARG gid
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RUN groupadd --gid $gid linuxppc
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RUN useradd --uid $uid --gid $gid linuxppc
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RUN useradd linuxppc
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USER linuxppc
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COPY scripts/container-build.sh /bin/container-build.sh

‎build/docs/Dockerfile

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@@ -29,11 +29,7 @@ RUN apt-get -q -y update && \
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&& \
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rm -rf /var/lib/apt/lists/* /var/cache/* /var/log/dpkg.log
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ARG uid
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ARG gid
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RUN groupadd --gid $gid linuxppc
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RUN useradd --uid $uid --gid $gid linuxppc
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RUN useradd linuxppc
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USER linuxppc
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COPY scripts/container-build.sh /bin/container-build.sh

‎build/fedora/Dockerfile

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@@ -41,11 +41,7 @@ RUN dnf -y install --setopt=install_weak_deps=False \
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COPY fedora/make-links.sh /tmp/make-links.sh
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RUN /tmp/make-links.sh ${compiler_version} && rm /tmp/make-links.sh
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ARG uid
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ARG gid
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RUN groupadd --gid $gid linuxppc
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RUN useradd --uid $uid --gid $gid linuxppc
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RUN useradd linuxppc
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USER linuxppc
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COPY scripts/container-build.sh /bin/container-build.sh

‎build/korg/Dockerfile

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@@ -51,12 +51,7 @@ RUN curl -sSL $base_url/$tar_file > $tar_file && \
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COPY korg/make-links.sh /tmp/make-links.sh
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RUN /tmp/make-links.sh ${compiler_version} && rm /tmp/make-links.sh
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ARG uid
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ARG gid
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RUN userdel -r ubuntu || true
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RUN groupadd --gid $gid linuxppc
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RUN useradd --uid $uid --gid $gid linuxppc
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RUN useradd linuxppc
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USER linuxppc
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COPY scripts/container-build.sh /bin/container-build.sh

‎build/scripts/container-build.sh

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@@ -124,6 +124,7 @@ if [[ "$1" == "kernel" ]]; then
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rc=$?
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if [[ $rc -eq 0 ]]; then
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tar -cjf /output/modules.tar.bz2 -C $mod_path lib
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tar -czf /output/modules.tar.gz -C $mod_path lib
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fi
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else
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echo "## Modules not configured"

‎build/scripts/image.sh

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@@ -117,23 +117,13 @@ if [[ -n "$https_proxy" ]]; then
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cmd+="--build-arg https_proxy=$https_proxy "
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fi
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if [[ -z "$UID" ]]; then
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UID=$(id -u)
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fi
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if [[ -z "$GID" ]]; then
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GID=$(id -g)
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fi
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if [[ "$distro" == "korg" ]]; then
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cmd+="--build-arg compiler_version=$version "
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arch=$(uname -m)
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cmd+="--build-arg base_url=https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/${arch}/${version}/ "
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cmd+="--build-arg tar_file=${arch}-gcc-${version}-nolibc-powerpc64-linux.tar.xz "
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fi
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cmd+="--build-arg uid=$UID "
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cmd+="--build-arg gid=$GID "
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cmd+="--build-arg from=$from "
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cmd+="--build-arg apt_mirror=$APT_MIRROR "
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cmd+="-t $image ."

‎build/scripts/prune.sh

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@@ -27,7 +27,7 @@ case "$task" in
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mkdir -p "artifacts"
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for path in .config vmlinux System.map arch/powerpc/boot/zImage include/config/kernel.release \
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arch/powerpc/kernel/asm-offsets.s arch/powerpc/boot/uImage modules.tar.bz2 \
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sparse.log log.txt
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modules.tar.gz sparse.log log.txt
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do
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if [[ -e "$path" ]]; then
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mv "$path" artifacts/

‎build/ubuntu/Dockerfile

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@@ -8,8 +8,8 @@ ARG apt_mirror
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ENV apt_mirror=${apt_mirror}
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RUN [ -n "$apt_mirror" ] && sed -i -e "s|ports.ubuntu.com|$apt_mirror|" /etc/apt/sources.list || true
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# Deal with Ubuntu 21.10 repos moving to old-releases (ppc64le only)
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RUN if echo "$from" | grep -q ".*ubuntu:21.10"; then sed -i -e "s|ports.ubuntu.com/ubuntu-ports|old-releases.ubuntu.com/ubuntu|" /etc/apt/sources.list; fi
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# Deal with Ubuntu 21/22.10 repos moving to old-releases (ppc64le only)
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RUN if echo "$from" | grep -q ".*ubuntu:2[12]\.10"; then sed -i -e "s|ports.ubuntu.com/ubuntu-ports|old-releases.ubuntu.com/ubuntu|" /etc/apt/sources.list; fi
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RUN apt-get -q -y update && \
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DEBIAN_FRONTEND=noninteractive \
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COPY ubuntu/make-links.sh /tmp/make-links.sh
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RUN /tmp/make-links.sh ${compiler_version} && rm /tmp/make-links.sh
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ARG uid
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ARG gid
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RUN groupadd --gid $gid linuxppc
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RUN useradd --uid $uid --gid $gid linuxppc
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RUN useradd linuxppc
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USER linuxppc
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COPY scripts/container-build.sh /bin/container-build.sh

‎build/ubuntu/packages.sh

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@@ -20,7 +20,9 @@ if [[ "$machine" == "ppc64le" ]]; then
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PACKAGES+=" libhugetlbfs-dev"
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PACKAGES+=" libmnl-dev"
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PACKAGES+=" libmount-dev"
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PACKAGES+=" liburing-dev"
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if [[ "$major" -gt 20 ]]; then
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PACKAGES+=" liburing-dev"
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fi
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# For the x86_64 container
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if [[ "$major" -ge 21 ]]; then

‎etc/configs.py

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# Shared config fragments etc.
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guest_configs = [
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'arch/powerpc/configs/guest.config',
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'netconsole-n',
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'ibmveth', # For PowerVM LPARs
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'kuap',
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'criu', # For seccomp tests
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'user-ns', # For seccomp tests
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'lkdtm', # Because it's useful
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'ptdump', # Because it's useful
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'strict-rwx', # Get some test coverage
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'kfence',
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'srr-debug',
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'irq-soft-mask-debug',
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'printk-index',
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'debug-atomic-sleep',
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'secure-boot',
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'debug-vm',
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'btrfs-y', # Needed for F39
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'vfat-y', # Needed for F39
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'zram', # Needed for F39
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]
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guest_configs_4k = guest_configs + ['4k-pages']
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guest_configs_maxsmp = guest_configs + ['nr-cpus-8192']
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legacy_guest_configs = [
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'arch/powerpc/configs/guest.config',
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'netconsole-n',
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'ibmveth', # For PowerVM LPARs
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'ibmehea', # Needed for Power7
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'strict-rwx-off', # Bloats image too much for netboot to work w/128MB RMA
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'nr-cpus-64', # Shrink kernel size
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'ftrace-n', # Shrink kernel size
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]
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pmac32_configs = [
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'pmaczilog',
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'devtmpfs',
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'debugfs',
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'ptdump',
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'debug-atomic-sleep',
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'cgroups-y',
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'arch/powerpc/configs/guest.config',
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]
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g5_configs = [
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'pmaczilog',
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'debugfs',
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'ptdump',
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'pstore',
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'kvm-pr-y',
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'agp-uninorth-y',
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]
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cell_configs = [
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'cell',
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'lockdep-y',
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'debug-atomic-sleep',
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'xmon-non-default',
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]
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powernv_configs = [
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'tools/testing/selftests/ftrace/config',
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'tools/testing/selftests/bpf/config',
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'criu', # needed for selftests-seccomp
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'igb', # Needed on some machines
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'xfs-y', # Needed on some machines
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'bridge-y', # Needed on some machines
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'ahci-y', # Needed on some machines
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'i40e-y', # Needed on some machines
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'kvm-pr-m',
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'strict-rwx',
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'debug-atomic-sleep',
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'selftests',
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'pci-iov',
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'page-poisoning-y',
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'srr-debug', # Get some test coverage
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'livepatch',
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'secure-boot',
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'zram',
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'ptdump',
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'amdgpu-y',
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'drm-aspeed-y', # Aspeed DRM driver for /dev/fb0 on powernv machines
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'fb-y', # Enable frame buffer for /dev/fb0 & alignment test
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'xmon-non-default', # Better oopses in logs
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'xmon-rw',
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'selinux', # Avoid selinux relabeling on Fedora machines
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'vfio-y', # Test coverage of VFIO
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'cgroups-y', # So podman can run
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'gup-test-y', # Enable selftest
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]
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95+
powernv_lockdep_configs = powernv_configs + ['lockdep-y']
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97+
corenet64_configs = [
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'debug-info-n',
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'ppc64e-qemu',
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'arch/powerpc/configs/guest.config',
101+
]

‎etc/configs/64k-pages.config

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CONFIG_PPC_4K_PAGES=n
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CONFIG_PPC_64K_PAGES=y

‎etc/configs/agp-uninorth-y.config

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CONFIG_AGP_UNINORTH=y
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CONFIG_AGP=y

‎etc/configs/btf-n.config

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CONFIG_DEBUG_INFO_BTF=n

‎etc/configs/btrfs-y.config

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CONFIG_BTRFS_FS=y

‎etc/configs/cgroups-y.config

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CONFIG_CGROUPS=y
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CONFIG_BLK_CGROUP=y
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CONFIG_CGROUP_PIDS=y
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CONFIG_CGROUP_RDMA=y
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CONFIG_CGROUP_HUGETLB=y
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CONFIG_CGROUP_MISC=y
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CONFIG_CGROUP_DEBUG=y
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CONFIG_NET_CLS_CGROUP=y
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CONFIG_CGROUP_NET_PRIO=y
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CONFIG_CGROUP_NET_CLASSID=y

‎etc/configs/gcc-plugins-n.config

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CONFIG_GCC_PLUGINS=n

‎etc/configs/gup-test-y.config

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CONFIG_GUP_TEST=y

‎etc/configs/i40e-y.config

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CONFIG_I40E=y

‎etc/configs/nr-cpus-8192.config

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CONFIG_NR_CPUS=8192

‎etc/configs/strict-rwx.config

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CONFIG_CRASH_DUMP=n
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CONFIG_RELOCATABLE=n
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CONFIG_STRICT_KERNEL_RWX=y
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CONFIG_STRICT_MODULE_RWX=y

‎etc/configs/vfat-y.config

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CONFIG_VFAT_FS=y

‎etc/configs/vfio-y.config

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CONFIG_VFIO=y
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CONFIG_VFIO_GROUP=y
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CONFIG_VFIO_CONTAINER=y
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CONFIG_VFIO_IOMMU_SPAPR_TCE=y
5+
CONFIG_VFIO_PCI_CORE=y
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CONFIG_VFIO_PCI_MMAP=y
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CONFIG_VFIO_PCI_INTX=y
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CONFIG_VFIO_PCI=y

‎etc/configs/zram.config

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CONFIG_ZRAM=y
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CONFIG_ZSMALLOC=y
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CONFIG_CRYPTO_LZO=y

‎etc/defaults.py

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QEMU_VERSION = '9.0.2'
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DEFAULT_OLD_IMAGE = 'korg@5.5.0'
4+
DEFAULT_NEW_IMAGE = 'fedora'
5+
DEFAULT_IMAGES = [DEFAULT_OLD_IMAGE, DEFAULT_NEW_IMAGE]
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7+
CLANG_IMAGES = ['fedora', 'ubuntu']
8+
SPARSE_IMAGES = ['fedora', 'ubuntu']

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