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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: be3193cded ("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
This commit is contained in:
Zheng Yejian 2022-11-29 21:45:58 +08:00 committed by Daniel Borkmann
parent 78b037bd40
commit bc067cacb6
1 changed files with 2 additions and 2 deletions
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Documentation/bpf/instruction-set.rst
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@ -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