linux-kernel - Re: [PATCH net-next v5 03/10] net: psample: skip packet copy if no listeners

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Message-ID: <51493A9D-9E73-4BFA-95D9-79CE1356110A@redhat.com>
Date: Wed, 26 Jun 2024 16:28:07 +0200
From: Eelco Chaudron <echaudro@...hat.com>
To: Adrian Moreno <amorenoz@...hat.com>
Cc: netdev@...r.kernel.org, aconole@...hat.com, horms@...nel.org,
 i.maximets@....org, dev@...nvswitch.org, Yotam Gigi <yotam.gi@...il.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v5 03/10] net: psample: skip packet copy if no
 listeners

On 25 Jun 2024, at 22:51, Adrian Moreno wrote:

> If nobody is listening on the multicast group, generating the sample,
> which involves copying packet data, seems completely unnecessary.
>
> Return fast in this case.
>
> Reviewed-by: Simon Horman <horms@...nel.org>
> Signed-off-by: Adrian Moreno <amorenoz@...hat.com>

Acked-by: Eelco Chaudron <echaudro@...hat.com>