netdev - Re: [PATCH bpf 2/2] bpf: selftest to verify mixing bpf2bpf calls and tailcalls with insn patch

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Message-ID: <6f30cedf-c792-f1ec-fb02-39cfd035b46a@fb.com>
Date:   Tue, 8 Jun 2021 23:22:45 -0700
From:   Yonghong Song <yhs@...com>
To:     John Fastabend <john.fastabend@...il.com>, <ast@...nel.org>,
        <daniel@...earbox.net>, <andriin@...com>
CC:     <netdev@...r.kernel.org>, <bpf@...r.kernel.org>,
        <maciej.fijalkowski@...el.com>
Subject: Re: [PATCH bpf 2/2] bpf: selftest to verify mixing bpf2bpf calls and
 tailcalls with insn patch



On 6/8/21 12:30 PM, John Fastabend wrote:
> This adds some extra noise to the tailcall_bpf2bpf4 tests that will cause
> verifier to patch insns. This then moves around subprog start/end insn
> index and poke descriptor insn index to ensure that verify and JIT will
> continue to track these correctly.
> 
> Reviewed-by: Daniel Borkmann <daniel@...earbox.net>
> Signed-off-by: John Fastabend <john.fastabend@...il.com>

Acked-by: Yonghong Song <yhs@...com>