From: Jakub Sitnicki <jakub@cloudflare•com>
To: David Ahern <dsahern@gmail•com>
Cc: Lorenzo Bianconi <lorenzo@kernel•org>,
netdev@vger•kernel.org, bpf@vger•kernel.org, davem@davemloft•net,
ast@kernel•org, brouer@redhat•com, daniel@iogearbox•net,
lorenzo.bianconi@redhat•com, kuba@kernel•org
Subject: Re: [PATCH bpf-next] bpf: cpumap: fix possible rcpu kthread hung
Date: Tue, 21 Jul 2020 12:21:33 +0200 [thread overview]
Message-ID: <871rl5xj6a.fsf@cloudflare.com> (raw)
In-Reply-To: <a77cf1a2-6dc8-0a3c-3bb8-d2d9681ccb8f@gmail.com>
On Mon, Jul 20, 2020 at 05:45 PM CEST, David Ahern wrote:
> On 7/20/20 3:14 AM, Jakub Sitnicki wrote:
>> I realize it's a code move, but fd == 0 is a valid descriptor number.
>
> this follows the decision made for devmap entries in that fd == 0 is NOT
> a valid program fd.
Surprising. Thanks for clarifying.
next prev parent reply other threads:[~2020-07-21 10:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-19 15:52 [PATCH bpf-next] bpf: cpumap: fix possible rcpu kthread hung Lorenzo Bianconi
2020-07-20 9:14 ` Jakub Sitnicki
2020-07-20 15:45 ` David Ahern
2020-07-21 10:21 ` Jakub Sitnicki [this message]
2020-07-21 10:26 ` Jakub Sitnicki
2020-07-21 16:20 ` Alexei Starovoitov
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