bpf: add bpf_patch_insn_single helper

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Move the functionality to patch instructions out of the verifier
code and into the core as the new bpf_patch_insn_single() helper
will be needed later on for blinding as well. No changes in
functionality.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Daniel Borkmann 2016-05-13 19:08:30 +02:00 • committed by David S. Miller

parent 93a73d442d

commit c237ee5eb3

3 changed files with 83 additions and 44 deletions

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71

kernel/bpf/core.c

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53

kernel/bpf/verifier.c

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