netdev - Re: [PATCH net-next] sock: don't enable netstamp for af

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Message-Id: <20151027.193939.2131141133181953706.davem@davemloft.net>
Date:	Tue, 27 Oct 2015 19:39:39 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	hannes@...essinduktion.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] sock: don't enable netstamp for af_unix
 sockets

From: Hannes Frederic Sowa <hannes@...essinduktion.org>
Date: Mon, 26 Oct 2015 13:51:37 +0100

> netstamp_needed is toggled for all socket families if they request
> timestamping. But some protocols don't need the lower-layer timestamping
> code at all. This patch starts disabling it for af-unix.
> 
> E.g. systemd enables timestamping during boot-up on the journald af-unix
> sockets, thus causing the system to globally enable timestamping in the
> lower networking stack. Still, it is very probable that timestamping
> gets activated, by e.g. dhclient or various NTP implementations.
> 
> Reported-by: Jesper Dangaard Brouer <brouer@...hat.com>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied.
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