netdev - Re: [PATCH v4 bpf-next 1/3] bpf: af_unix: Implement BPF iterator for UNIX domain socket.

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Message-ID: <aefde39d-33bd-d271-a320-c8de186569e9@fb.com>
Date:   Tue, 10 Aug 2021 16:25:08 -0700
From:   Yonghong Song <yhs@...com>
To:     Kuniyuki Iwashima <kuniyu@...zon.co.jp>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>
CC:     Benjamin Herrenschmidt <benh@...zon.com>,
        Kuniyuki Iwashima <kuni1840@...il.com>, <bpf@...r.kernel.org>,
        <netdev@...r.kernel.org>
Subject: Re: [PATCH v4 bpf-next 1/3] bpf: af_unix: Implement BPF iterator for
 UNIX domain socket.



On 8/10/21 2:28 AM, Kuniyuki Iwashima wrote:
> This patch implements the BPF iterator for the UNIX domain socket.
> 
> Currently, the batch optimisation introduced for the TCP iterator in the
> commit 04c7820b776f ("bpf: tcp: Bpf iter batching and lock_sock") is not
> used for the UNIX domain socket.  It will require replacing the big lock
> for the hash table with small locks for each hash list not to block other
> processes.
> 
> Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.co.jp>

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