netdev - Re: ndo_get_stats and rtnl

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Message-ID: <CAJZOPZKKca6Yea=E9reL+x-cfvX0HwsgLAWKzjonmGwutH0MxA@mail.gmail.com>
Date:	Mon, 10 Sep 2012 22:10:36 +0300
From:	Or Gerlitz <or.gerlitz@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Shlomo Pongartz <shlomop@...lanox.com>, netdev@...r.kernel.org
Subject: Re: ndo_get_stats and rtnl_netlink

On Mon, Sep 10, 2012 at 12:09 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:

> RTNL locking is not needed to fetch stats, and would be overkill.
> Each driver has its own way to protect/gather its stats.

FWIW, again, when dev_get_stats is called from rtnl_fill_ifinfo e.g as
of invocation
of "ip link show <interface>, there IS RTNL locking, is that a problem?

Or.
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