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docs/bpf: Fix a typo in verifier.rst

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In verifier.rst, there is a typo in section 'Register parentage chains'.
Caller saved registers are r0-r5, callee saved registers are r6-r9.

Here by context it means callee saved registers rather than caller saved
registers. This may confuse users.

Signed-off-by: Yiming Xiang <kxiang@umich.edu>
Link: https://lore.kernel.org/r/20240829031712.198489-1-kxiang@umich.edu
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Yiming Xiang 2024-08-28 23:17:12 -04:00 committed by Alexei Starovoitov
parent bd0b4836a2
commit 89dd9bb255
1 changed files with 1 additions and 1 deletions
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Documentation/bpf/verifier.rst
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@ -418,7 +418,7 @@ The rules for correspondence between registers / stack slots are as follows:
linked to the registers and stack slots of the parent state with the same linked to the registers and stack slots of the parent state with the same
indices. indices.
* For the outer stack frames, only caller saved registers (r6-r9) and stack * For the outer stack frames, only callee saved registers (r6-r9) and stack
slots are linked to the registers and stack slots of the parent state with the slots are linked to the registers and stack slots of the parent state with the
same indices. same indices.