netdev - Re: [PATCH bpf-next 0/4] bpf: improve verifier state analysis

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Date:   Wed, 12 Dec 2018 17:22:36 -0800
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Alexei Starovoitov <ast@...nel.org>
Cc:     "David S . Miller" <davem@...emloft.net>, <daniel@...earbox.net>,
        <ecree@...arflare.com>, <jiong.wang@...ronome.com>,
        <netdev@...r.kernel.org>, <kernel-team@...com>
Subject: Re: [PATCH bpf-next 0/4] bpf: improve verifier state analysis

On Tue, 11 Dec 2018 21:28:50 -0800, Alexei Starovoitov wrote:
> Several improvements to verifier state logic.
> Patch 1 - trivial optimization
> Patch 3 - significant optimization for stack state equivalence
> Patch 4 - safety check for liveness and prep for future state merging

One possible optimization, but these seem correct to me.  FWIW:

Acked-by: Jakub Kicinski <jakub.kicinski@...ronome.com>