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Date:   Tue, 16 Apr 2019 19:27:07 -0700
From:   Alexei Starovoitov <>
To:     Viet Hoang Tran <>
Cc:     "" <>,
        "" <>,
        Alexei Starovoitov <>,
        Daniel Borkmann <>,
        "David S. Miller" <>,
        Lawrence Brakmo <>, Martin Lau <>,
        Quentin Monnet <>,
        "" <>
Subject: Re: [PATCH bpf] bpf: allow clearing all sock_ops callback flags

On Mon, Apr 15, 2019 at 2:55 AM Viet Hoang Tran <> wrote:
> The helper function bpf_sock_ops_cb_flags_set() can be used to both
> set and clear the sock_ops callback flags. However, its current
> behavior is not consistent. BPF program may clear a flag if more than
> one were set, or replace a flag with another one, but cannot clear all
> flags.
> This patch also updates the documentation to clarify the ability to
> clear flags of this helper function.
> Signed-off-by: Hoang Tran <>

Applied. Thanks

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