Commit 563918a0 authored by Dave Thaler's avatar Dave Thaler Committed by Alexei Starovoitov
Browse files

bpf, docs: Fix typos in instructions-set.rst 

* "imm32" should just be "imm"
* Add blank line to fix formatting error reported by Stephen Rothwell [0]

[0]: https://lore.kernel.org/bpf/20240206153301.4ead0bad@canb.auug.org.au/T/#u



Signed-off-by: default avatarDave Thaler <dthaler1968@gmail.com>
Acked-by: default avatarDavid Vernet <void@manifault.com>
Link: https://lore.kernel.org/r/20240206045146.4965-1-dthaler1968@gmail.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent c7dcb6c9

Documentation/bpf/standardization/instruction-set.rst

+4 −3
Original line number Diff line number Diff line
@@ -117,6 +117,7 @@ corresponds to a set of instructions that are mandatory. That is, each 
instruction has one or more conformance groups of which it is a member.



This document defines the following conformance groups:



* base32: includes all instructions defined in this

  specification unless otherwise noted.

* base64: includes base32, plus instructions explicitly noted
@@ -289,11 +290,11 @@ where '(u32)' indicates that the upper 32 bits are zeroed. 


``BPF_XOR | BPF_K | BPF_ALU`` means::



  dst = (u32) dst ^ (u32) imm32

  dst = (u32) dst ^ (u32) imm



``BPF_XOR | BPF_K | BPF_ALU64`` means::



  dst = dst ^ imm32

  dst = dst ^ imm



Note that most instructions have instruction offset of 0. Only three instructions

(``BPF_SDIV``, ``BPF_SMOD``, ``BPF_MOVSX``) have a non-zero offset.
@@ -511,7 +512,7 @@ instructions that transfer data between a register and memory. 


``BPF_MEM | <size> | BPF_ST`` means::



  *(size *) (dst + offset) = imm32

  *(size *) (dst + offset) = imm



``BPF_MEM | <size> | BPF_LDX`` means::