diff options
| author | Daniel Borkmann <daniel@iogearbox.net> | 2016-05-13 19:08:30 +0200 |
|---|---|---|
| committer | Michael Bestas <mkbestas@lineageos.org> | 2022-04-19 00:50:15 +0300 |
| commit | e472c005cd7da4b402e3773a5bed4beb136a1cbf (patch) | |
| tree | b8885ca41934a4e555cfa4d96a4bf8ed9c04c35f /include | |
| parent | afd45676cb0b3319ba77da6fd9d4696924ef73ae (diff) | |
bpf: add bpf_patch_insn_single helper
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>
Signed-off-by: Chatur27 <jasonbright2709@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/filter.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h index cd370a819e2c..1fdc9bfa8519 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -464,6 +464,9 @@ u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5); void bpf_int_jit_compile(struct bpf_prog *fp); bool bpf_helper_changes_skb_data(void *func); +struct bpf_prog *bpf_patch_insn_single(struct bpf_prog *prog, u32 off, + const struct bpf_insn *patch, u32 len); + #ifdef CONFIG_BPF_JIT typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size); |