linux-kernel - Re: [PATCH bpf] selftests: bpf: check map in map pruning

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Message-Id: <163673040779.12963.16453161654886346779.git-patchwork-notify@kernel.org>
Date:   Fri, 12 Nov 2021 15:20:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Lorenz Bauer <lmb@...udflare.com>
Cc:     shuah@...nel.org, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, kernel-team@...udflare.com,
        linux-kselftest@...r.kernel.org, netdev@...r.kernel.org,
        bpf@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf] selftests: bpf: check map in map pruning

Hello:

This patch was applied to bpf/bpf.git (master)
by Daniel Borkmann <daniel@...earbox.net>:

On Thu, 11 Nov 2021 16:14:52 +0000 you wrote:
> Ensure that two registers with a map_value loaded from a nested
> map are considered equivalent for the purpose of state pruning
> and don't cause the verifier to revisit a pruning point.
> 
> This uses a rather crude match on the number of insns visited by
> the verifier, which might change in the future. I've therefore
> tried to keep the code as "unpruneable" as possible by having
> the code paths only converge on the second to last instruction.
> 
> [...]

Here is the summary with links:
  - [bpf] selftests: bpf: check map in map pruning
    https://git.kernel.org/bpf/bpf/c/a583309d968b

You are awesome, thank you!
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