netdev - Re: [PATCH bpf v4] xdp: Handle device unregister for devmap

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Message-ID: <CAADnVQJNrW+tv4ZZJ_UFF969Jm1Gj+SSNa6=Xz=AizDRxOPv3A@mail.gmail.com>
Date:   Mon, 21 Oct 2019 15:50:05 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Toke Høiland-Jørgensen <toke@...hat.com>
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...com>, bpf <bpf@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        Martin KaFai Lau <kafai@...com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Subject: Re: [PATCH bpf v4] xdp: Handle device unregister for devmap_hash map type

On Sat, Oct 19, 2019 at 4:19 AM Toke Høiland-Jørgensen <toke@...hat.com> wrote:
>
> It seems I forgot to add handling of devmap_hash type maps to the device
> unregister hook for devmaps. This omission causes devices to not be
> properly released, which causes hangs.
>
> Fix this by adding the missing handler.
>
> Fixes: 6f9d451ab1a3 ("xdp: Add devmap_hash map type for looking up devices by hashed index")
> Reported-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
> Signed-off-by: Toke Høiland-Jørgensen <toke@...hat.com>

Applied. Thanks!