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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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Building an arm64 kernel and seftests/bpf with defconfig +
selftests/bpf/config and selftests/bpf/config.aarch64 the fragment
CONFIG_DEBUG_INFO_REDUCED is enabled in arm64's defconfig, it should be
disabled in file sefltests/bpf/config.aarch64 since if its not disabled
CONFIG_DEBUG_INFO_BTF wont be enabled.
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20231103220912.333930-1-anders.roxell@linaro.org
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.aarch64, similarly to config.{s390x,x86_64} is a config enabling
building a kernel on aarch64 to be used in bpf's
selftests/kernel-patches CI.
Signed-off-by: Manu Bretelle <chantr4@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221021210701.728135-3-chantr4@gmail.com
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