netdev - Re: [PATCH bpf v10 11/14] bpf: sockmap, test shutdown() correctly exits epoll and recv()=0

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Message-ID: <871qj775a9.fsf@cloudflare.com>
Date: Tue, 23 May 2023 11:41:32 +0200
From: Jakub Sitnicki <jakub@...udflare.com>
To: John Fastabend <john.fastabend@...il.com>
Cc: daniel@...earbox.net, bpf@...r.kernel.org, netdev@...r.kernel.org,
 edumazet@...gle.com, ast@...nel.org, andrii@...nel.org, will@...valent.com
Subject: Re: [PATCH bpf v10 11/14] bpf: sockmap, test shutdown() correctly
 exits epoll and recv()=0

On Mon, May 22, 2023 at 07:56 PM -07, John Fastabend wrote:
> When session gracefully shutdowns epoll needs to wake up and any recv()
> readers should return 0 not the -EAGAIN they previously returned.
>
> Note we use epoll instead of select to test the epoll wake on shutdown
> event as well.
>
> Signed-off-by: John Fastabend <john.fastabend@...il.com>
> ---

Reviewed-by: Jakub Sitnicki <jakub@...udflare.com>