CI: Update x86 tests from Linux 6.1.19 to 6.6.56

Linux 6.6.56 was already added to test-artifacts for the argo testing, and
this removes one moving part while cleaning things up.

Drop the associated export job, and dockerfile.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>

automation/gitlab-ci/build.yaml

@@ -308,19 +308,6 @@ qemu-system-aarch64-6.0.0-arm32-export:
   tags:
     - arm64
 
-# x86_64 test artifacts
-
-kernel-6.1.19-export:
-  extends: .test-jobs-artifact-common
-  image: registry.gitlab.com/xen-project/xen/tests-artifacts/kernel:6.1.19
-  script:
-    - mkdir binaries && cp /bzImage binaries/bzImage
-  artifacts:
-    paths:
-      - binaries/bzImage
-  tags:
-    - x86_64
-
 # Jobs below this line
 
 # Build jobs needed for tests

automation/gitlab-ci/test.yaml

@@ -16,7 +16,9 @@
   - qemu-system-aarch64-6.0.0-arm32-export
 
 .x86-64-test-needs: &x86-64-test-needs
-  - kernel-6.1.19-export
+  - project: xen-project/hardware/test-artifacts
+    job: linux-6.6.56-x86_64
+    ref: master
   - project: xen-project/hardware/test-artifacts
     job: x86_64-rootfs-alpine-3.18
     ref: master

automation/tests-artifacts/kernel/6.1.19.dockerfile

@@ -1,41 +0,0 @@
-# syntax=docker/dockerfile:1
-FROM --platform=linux/amd64 debian:bookworm
-LABEL maintainer.name="The Xen Project" \
-      maintainer.email="xen-devel@lists.xenproject.org"
-
-ENV DEBIAN_FRONTEND=noninteractive
-ENV LINUX_VERSION=6.1.19
-ENV USER root
-
-RUN mkdir /build
-WORKDIR /build
-
-# build depends
-RUN apt-get update && \
-    apt-get --quiet --yes install \
-        build-essential \
-        bc \
-        curl \
-        flex \
-        bison \
-        libelf-dev \
-        && \
-    apt-get autoremove -y && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists* /tmp/* /var/tmp/*
-
-# Build the kernel
-RUN curl -fsSLO https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-"$LINUX_VERSION".tar.xz && \
-    tar xvJf linux-"$LINUX_VERSION".tar.xz && \
-    cd linux-"$LINUX_VERSION" && \
-    make defconfig && \
-    make xen.config && \
-    scripts/config --enable BRIDGE && \
-    scripts/config --enable IGC && \
-    scripts/config --enable TUN && \
-    cp .config .config.orig && \
-    cat .config.orig | grep XEN | grep =m |sed 's/=m/=y/g' >> .config && \
-    make -j$(nproc) bzImage && \
-    cp arch/x86/boot/bzImage / && \
-    cd /build && \
-    rm -rf linux-"$LINUX_VERSION"*