Re: [PATCH bpf-next v3 1/1] docs/bpf: Add description of register liveness tracking algorithm

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On 01/02/2023 18:28, Eduard Zingerman wrote:
> How about the following?
> 
> ---- 8< ---------------------------
> 
> For each processed instruction, the verifier tracks read and written
> registers and stack slots. The main idea of the algorithm is that read
> marks propagate back along the state parentage chain until they hit a
> write mark, which 'screens off' earlier states from the read. The
> information about reads is propagated by function ``mark_reg_read()``
> which could be summarized as follows::
> 
> ---- >8 ---------------------------

SGTM.



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