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| author | Zheng Yejian <zhengyejian1@huawei.com> | 2022-11-29 14:45:58 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2022-12-02 21:27:32 +0100 |
| commit | bc067cacb69c6ee0da10d357458fa7f1fe54e472 (patch) | |
| tree | aa55504166f3f9423e554d87bb29e27ca21c3616 /Documentation/bpf | |
| parent | selftests/bpf: Validate multiple ref release_on_unlock logic (diff) | |
| download | linux-bc067cacb69c6ee0da10d357458fa7f1fe54e472.tar.xz linux-bc067cacb69c6ee0da10d357458fa7f1fe54e472.zip | |
bpf, docs: Correct the example of BPF_XOR
Refer to description of BPF_XOR, dst_reg should be used but not src_reg
in the examples.
Fixes: be3193cded9d ("bpf, docs: Add subsections for ALU and JMP instructions")
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20221129134558.2757043-1-zhengyejian1@huawei.com
Diffstat (limited to 'Documentation/bpf')
| -rw-r--r-- | Documentation/bpf/instruction-set.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/bpf/instruction-set.rst b/Documentation/bpf/instruction-set.rst index 5d798437dad4..e672d5ec6cc7 100644 --- a/Documentation/bpf/instruction-set.rst +++ b/Documentation/bpf/instruction-set.rst @@ -122,11 +122,11 @@ BPF_END 0xd0 byte swap operations (see `Byte swap instructions`_ below) ``BPF_XOR | BPF_K | BPF_ALU`` means:: - src_reg = (u32) src_reg ^ (u32) imm32 + dst_reg = (u32) dst_reg ^ (u32) imm32 ``BPF_XOR | BPF_K | BPF_ALU64`` means:: - src_reg = src_reg ^ imm32 + dst_reg = dst_reg ^ imm32 Byte swap instructions |