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This system call has been deprecated for quite a while now.
Let's try and remove it from the kernel completely.
Link: https://lore.kernel.org/20250415-kanufahren-besten-02ac00e6becd@brauner
Acked-by: Kees Cook <kees@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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bpfilter was supposed to convert iptables filtering rules into
BPF programs on the fly, from the kernel, through a usermode
helper. The base code for the UMH was introduced in 2018, and
couple of attempts (2, 3) tried to introduce the BPF program
generate features but were abandoned.
bpfilter now sits in a kernel tree unused and unusable, occasionally
causing confusion amongst Linux users (4, 5).
As bpfilter is now developed in a dedicated repository on GitHub (6),
it was suggested a couple of times this year (LSFMM/BPF 2023,
LPC 2023) to remove the deprecated kernel part of the project. This
is the purpose of this patch.
[1]: https://lore.kernel.org/lkml/20180522022230.2492505-1-ast@kernel.org/
[2]: https://lore.kernel.org/bpf/20210829183608.2297877-1-me@ubique.spb.ru/#t
[3]: https://lore.kernel.org/lkml/20221224000402.476079-1-qde@naccy.de/
[4]: https://dxuuu.xyz/bpfilter.html
[5]: https://github.com/linuxkit/linuxkit/pull/3904
[6]: https://github.com/facebook/bpfilter
Signed-off-by: Quentin Deslandes <qde@naccy.de>
Link: https://lore.kernel.org/r/20231226130745.465988-1-qde@naccy.de
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Those configs are needed to be able to run VM somewhat consistently.
For instance, ATM, s390x is missing the `CONFIG_VIRTIO_CONSOLE` which
prevents s390x kernels built in CI to leverage qemu-guest-agent.
By moving them to `config,vm`, we should have selftest kernels which are
equal in term of VM functionalities when they include this file.
The set of config unabled were picked using
grep -h -E '(_9P|_VIRTIO)' config.x86_64 config | sort | uniq
added to `config.vm` and then
grep -vE '(_9P|_VIRTIO)' config.{x86_64,aarch64,s390x}
as a side-effect, some config may have disappeared to the aarch64 and
s390x kernels, but they should not be needed. CI will tell.
Signed-off-by: Manu Bretelle <chantr4@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20231031212717.4037892-1-chantr4@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add vsock loopback to the test kernel.
This allows sockmap for vsock to be tested.
Signed-off-by: Bobby Eshleman <bobby.eshleman@bytedance.com>
Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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`config.s390x` had entries already present in `config`.
When generating the config used by vmtest, we concatenate the `config`
file with the `config.{arch}` one, making those entries duplicated.
This patch removes that duplication.
Before:
$ comm -1 -2 <(sort tools/testing/selftests/bpf/config.s390x) <(sort
tools/testing/selftests/bpf/config)
CONFIG_MODULE_SIG=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
$
Ater:
$ comm -1 -2 <(sort tools/testing/selftests/bpf/config.s390x) <(sort
tools/testing/selftests/bpf/config)
$
Signed-off-by: Manu Bretelle <chantr4@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221021210701.728135-2-chantr4@gmail.com
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This change integrates libbpf maintained configurations and black/white
lists [0] into the repository, co-located with the BPF selftests themselves.
We minimize the kernel configurations to keep future updates as small as
possible [1].
Furthermore, we make both kernel configurations build on top of the existing
configuration tools/testing/selftests/bpf/config (to be concatenated before
build). Lastly, we replaced the terms blacklist & whitelist with denylist and
allowlist, respectively.
[0] https://github.com/libbpf/libbpf/tree/20f03302350a4143825cedcbd210c4d7112c1898/travis-ci/vmtest/configs
[1] https://lore.kernel.org/bpf/20220712212124.3180314-1-deso@posteo.net/T/#m30a53648352ed494e556ac003042a9ad0a8f98c6
Signed-off-by: Daniel Müller <deso@posteo.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Mykola Lysenko <mykolal@fb.com>
Link: https://lore.kernel.org/bpf/20220727001156.3553701-3-deso@posteo.net
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