[PATCH bpf-next] selftests/bpf: Support ppc64el in vmtest

[PATCH bpf-next] selftests/bpf: Support ppc64el in vmtest

[Luis Gerhorst]

With a rootfs built using libbpf's BPF CI [1], we can run specific tests
as follows:

$ ../libbpf-ci/rootfs/mkrootfs_debian.sh --arch ppc64el --distro noble
$ PLATFORM=ppc64el CROSS_COMPILE=powerpc64le-linux-gnu- \
    tools/testing/selftests/bpf/vmtest.sh \
    -l libbpf-vmtest-rootfs-*-noble-ppc64el.tar.zst \
    -- ./test_progs -t verifier_array_access

Does not include a DENYLIST or support for KVM for now.

[1] https://github.com/libbpf/ci

Signed-off-by: Luis Gerhorst <luis.gerhorst@fau.de>
---
 tools/testing/selftests/bpf/config.ppc64el | 93 ++++++++++++++++++++++
 tools/testing/selftests/bpf/vmtest.sh      |  9 +++
 2 files changed, 102 insertions(+)
 create mode 100644 tools/testing/selftests/bpf/config.ppc64el

diff --git a/tools/testing/selftests/bpf/config.ppc64el b/tools/testing/selftests/bpf/config.ppc64el
new file mode 100644
index 000000000000..9acf389dc4ce
--- /dev/null
+++ b/tools/testing/selftests/bpf/config.ppc64el
@@ -0,0 +1,93 @@
+CONFIG_ALTIVEC=y
+CONFIG_AUDIT=y
+CONFIG_BLK_CGROUP=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BONDING=y
+CONFIG_BPF_JIT_ALWAYS_ON=y
+CONFIG_BPF_PRELOAD_UMD=y
+CONFIG_BPF_PRELOAD=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CGROUP_HUGETLB=y
+CONFIG_CGROUP_NET_CLASSID=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CGROUPS=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE="console=hvc0 wg.success=hvc1 panic_on_warn=1"
+CONFIG_CPU_LITTLE_ENDIAN=y
+CONFIG_CPUSETS=y
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+CONFIG_DEBUG_FS=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_DEVTMPFS=y
+CONFIG_EXPERT=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+CONFIG_EXT4_FS=y
+CONFIG_FRAME_POINTER=y
+CONFIG_FRAME_WARN=1280
+CONFIG_HARDLOCKUP_DETECTOR=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_HUGETLBFS=y
+CONFIG_HVC_CONSOLE=y
+CONFIG_INET=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_MULTIPLE_TABLES=y
+CONFIG_IPV6_SEG6_LWTUNNEL=y
+CONFIG_JUMP_LABEL=y
+CONFIG_KALLSYMS_ALL=y
+CONFIG_KPROBES=y
+CONFIG_MEMCG=y
+CONFIG_NAMESPACES=y
+CONFIG_NET_ACT_BPF=y
+CONFIG_NETDEVICES=y
+CONFIG_NETFILTER_XT_MATCH_BPF=y
+CONFIG_NET_L3_MASTER_DEV=y
+CONFIG_NET_VRF=y
+CONFIG_NET=y
+CONFIG_NO_HZ_IDLE=y
+CONFIG_NONPORTABLE=y
+CONFIG_NR_CPUS=256
+CONFIG_PACKET=y
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PARTITION_ADVANCED=y
+CONFIG_PCI_HOST_GENERIC=y
+CONFIG_PCI=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_PPC64=y
+CONFIG_PPC_OF_BOOT_TRAMPOLINE=y
+CONFIG_PPC_PSERIES=y
+CONFIG_PPC_RADIX_MMU=y
+CONFIG_PRINTK_TIME=y
+CONFIG_PROC_KCORE=y
+CONFIG_PROFILING=y
+CONFIG_RCU_CPU_STALL_TIMEOUT=60
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_SECTION_MISMATCH_WARN_ONLY=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_OF_PLATFORM=y
+CONFIG_SMP=y
+CONFIG_SOC_VIRT=y
+CONFIG_SYSVIPC=y
+CONFIG_TCP_CONG_ADVANCED=y
+CONFIG_THREAD_SHIFT=14
+CONFIG_TLS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_TMPFS=y
+CONFIG_TUN=y
+CONFIG_UNIX=y
+CONFIG_UPROBES=y
+CONFIG_USER_NS=y
+CONFIG_VETH=y
+CONFIG_VLAN_8021Q=y
+CONFIG_VSOCKETS_LOOPBACK=y
+CONFIG_VSX=y
+CONFIG_XFRM_USER=y
diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh
index 79505d294c44..2f869daf8a06 100755
--- a/tools/testing/selftests/bpf/vmtest.sh
+++ b/tools/testing/selftests/bpf/vmtest.sh
@@ -43,6 +43,15 @@ riscv64)
 	BZIMAGE="arch/riscv/boot/Image"
 	ARCH="riscv"
 	;;
+ppc64el)
+	QEMU_BINARY=qemu-system-ppc64
+	QEMU_CONSOLE="hvc0"
+	# KVM could not be tested for powerpc, therefore not enabled for now.
+	HOST_FLAGS=(-machine pseries -cpu POWER9)
+	CROSS_FLAGS=(-machine pseries -cpu POWER9)
+	BZIMAGE="vmlinux"
+	ARCH="powerpc"
+	;;
 *)
 	echo "Unsupported architecture"
 	exit 1

base-commit: cd7312a78f36e981939abe1cd1f21d355e083dfe
-- 
2.49.0

Re: [PATCH bpf-next] selftests/bpf: Support ppc64el in vmtest

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Thu, 19 Jun 2025 16:08:53 +0200 you wrote:
> With a rootfs built using libbpf's BPF CI [1], we can run specific tests
> as follows:
> 
> $ ../libbpf-ci/rootfs/mkrootfs_debian.sh --arch ppc64el --distro noble
> $ PLATFORM=ppc64el CROSS_COMPILE=powerpc64le-linux-gnu- \
>     tools/testing/selftests/bpf/vmtest.sh \
>     -l libbpf-vmtest-rootfs-*-noble-ppc64el.tar.zst \
>     -- ./test_progs -t verifier_array_access
> 
> [...]

Here is the summary with links:
  - [bpf-next] selftests/bpf: Support ppc64el in vmtest
    https://git.kernel.org/bpf/bpf-next/c/3ce7cdde66e6

You are awesome, thank you!
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