netdev - Re: [RFC] net: napi fix

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Date:	Wed, 12 Dec 2007 09:38:19 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	gallatin@...i.com
Cc:	joonwpark81@...il.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, jgarzik@...ox.com,
	shemminger@...ux-foundation.org
Subject: Re: [RFC] net: napi fix

From: Andrew Gallatin <gallatin@...i.com>
Date: Wed, 12 Dec 2007 12:29:23 -0500

> Is the netif_running() check even required?

No, it is not.

When a device is brought down, one of the first things
that happens is that we wait for all pending NAPI polls
to complete, then block any new polls from starting.
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