Commit bc067cac authored by Zheng Yejian's avatar Zheng Yejian Committed by Daniel Borkmann
Browse files

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: be3193cd ("bpf, docs: Add subsections for ALU and JMP instructions")
Signed-off-by: default avatarZheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20221129134558.2757043-1-zhengyejian1@huawei.com
parent 78b037bd

Documentation/bpf/instruction-set.rst

+2 −2
Original line number Diff line number Diff line
@@ -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