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Add bpf_wq selftests to verify:
* BPF program using non-constant offset of struct bpf_wq is rejected
* BPF program using map with no BTF for storing struct bpf_wq is rejected
Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Tested-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20251010164606.147298-2-mykyta.yatsenko5@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Some copy/paste leftover, this is never used.
Fixes: e3d9eac99afd ("selftests/bpf: wq: add bpf_wq_init() checks")
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/bpf/20240430-bpf-next-v3-3-27afe7f3b17c@kernel.org
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The wq test was missing destroy(skel) part which was causing bpf progs to stay
loaded. That was causing test_progs to complain with
"Failed to unload bpf_testmod.ko from kernel: -11" message, but adding
destroy() wasn't enough, since wq callback may be delayed, so loop on unload of
bpf_testmod if errno is EAGAIN.
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Fixes: 8290dba51910 ("selftests/bpf: wq: add bpf_wq_start() checks")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Allows to test if allocation/free works
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240420-bpf_wq-v2-16-6c986a5a741f@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Allows to test if allocation/free works
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240420-bpf_wq-v2-12-6c986a5a741f@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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We simply try in all supported map types if we can store/load a bpf_wq.
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Link: https://lore.kernel.org/r/20240420-bpf_wq-v2-10-6c986a5a741f@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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