netdev - Re: [PATCH net-next v2 3/9] net: psample: skip packet copy if no listeners

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Message-ID: <20240614161534.GT8447@kernel.org>
Date: Fri, 14 Jun 2024 17:15:34 +0100
From: Simon Horman <horms@...nel.org>
To: Adrian Moreno <amorenoz@...hat.com>
Cc: netdev@...r.kernel.org, aconole@...hat.com, echaudro@...hat.com,
	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 v2 3/9] net: psample: skip packet copy if no
 listeners

On Mon, Jun 03, 2024 at 08:56:37PM +0200, 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.
> 
> Signed-off-by: Adrian Moreno <amorenoz@...hat.com>

Reviewed-by: Simon Horman <horms@...nel.org>