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bpf, docs: Linux byteswap note

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Add Linux byteswap note.

Signed-off-by: Dave Thaler <dthaler@microsoft.com>
Link: https://lore.kernel.org/r/20220927185958.14995-2-dthaler1968@googlemail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Dave Thaler 2022-09-27 18:59:45 +00:00 committed by Alexei Starovoitov
parent 6166da0a02
commit 9a0bf21337
2 changed files with 5 additions and 4 deletions
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4
Documentation/bpf/instruction-set.rst
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@ -156,10 +156,6 @@ Examples:
dst_reg = htobe64(dst_reg)
``BPF_FROM_LE`` and ``BPF_FROM_BE`` exist as aliases for ``BPF_TO_LE`` and
``BPF_TO_BE`` respectively.
Jump instructions
-----------------

5
Documentation/bpf/linux-notes.rst
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@ -7,6 +7,11 @@ Linux implementation notes
This document provides more details specific to the Linux kernel implementation of the eBPF instruction set.
Byte swap instructions
======================
``BPF_FROM_LE`` and ``BPF_FROM_BE`` exist as aliases for ``BPF_TO_LE`` and ``BPF_TO_BE`` respectively.
Legacy BPF Packet access instructions
=====================================