bpf: Factor out a helper to prepare trampoline for struct_ops prog

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Factor out a helper bpf_struct_ops_prepare_trampoline() to prepare
trampoline for BPF_PROG_TYPE_STRUCT_OPS prog. It will be used by
.test_run callback in following patch.

Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20211025064025.2567443-2-houtao1@huawei.com

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Hou Tao 2021-10-25 14:40:22 +08:00 • committed by Alexei Starovoitov

parent 36e70b9b06

commit 31a645aea4

2 changed files with 23 additions and 10 deletions

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4

include/linux/bpf.h

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29

kernel/bpf/bpf_struct_ops.c

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