linux-kernel - Re: [PATCH bpf-next v5 4/5] bpf: verifier: Support eliding map lookup nullness

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Message-ID: <0eb169a27a61eb29f8a0c1ae44904934c9b4f14d.camel@gmail.com>
Date: Fri, 13 Dec 2024 15:18:59 -0800
From: Eduard Zingerman <eddyz87@...il.com>
To: Kumar Kartikeya Dwivedi <memxor@...il.com>, Daniel Xu <dxu@...uu.xyz>
Cc: andrii@...nel.org, ast@...nel.org, shuah@...nel.org,
 daniel@...earbox.net, 	john.fastabend@...il.com, martin.lau@...ux.dev,
 song@...nel.org, 	yonghong.song@...ux.dev, kpsingh@...nel.org,
 sdf@...ichev.me, haoluo@...gle.com, 	jolsa@...nel.org, mykolal@...com,
 bpf@...r.kernel.org, 	linux-kernel@...r.kernel.org,
 linux-kselftest@...r.kernel.org, 	netdev@...r.kernel.org
Subject: Re: [PATCH bpf-next v5 4/5] bpf: verifier: Support eliding map
 lookup nullness

On Fri, 2024-12-13 at 15:14 -0800, Eduard Zingerman wrote:

[...]

> Great point, I'm sure this does not happen.

I mean, mark_chain_precision() does not happen at the moment.