netdev - Re: [PATCH bpf-next 5/8] bpf: Add link-based BPF program attachment to network namespace

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Message-Id: <20200528160945.GD57268@google.com>
Date:   Thu, 28 May 2020 09:09:45 -0700
From:   sdf@...gle.com
To:     Jakub Sitnicki <jakub@...udflare.com>
Cc:     bpf@...r.kernel.org, netdev@...r.kernel.org,
        kernel-team@...udflare.com
Subject: Re: [PATCH bpf-next 5/8] bpf: Add link-based BPF program attachment
 to network namespace

On 05/28, Jakub Sitnicki wrote:
> On Wed, May 27, 2020 at 10:53 PM CEST, sdf@...gle.com wrote:
> > On 05/27, Jakub Sitnicki wrote:
[..]
> > Otherwise, those mutex_lock+rcu_read_lock are a bit confusing.

> Great idea, thanks. This is almost the same as what I was thinking
> about. The only difference being that I want to also get ref to net, so
> it doesn't go away while we continue outside of RCU read-side critical
> section.
That will also work, up to you. Thanks!