netdev - Re: [PATCH] gianfar: Fix crashes on RX path

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Date:	Tue, 26 Oct 2010 14:23:26 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jarkao2@...il.com
Cc:	eric.dumazet@...il.com, eminak71@...il.com,
	akpm@...ux-foundation.org, netdev@...r.kernel.org,
	bugzilla-daemon@...zilla.kernel.org,
	bugme-daemon@...zilla.kernel.org, avorontsov@...sta.com,
	afleming@...escale.com
Subject: Re: [PATCH] gianfar: Fix crashes on RX path

From: Jarek Poplawski <jarkao2@...il.com>
Date: Tue, 26 Oct 2010 23:20:42 +0200

> IMHO, the NAPI state is unary only for gfargrp, and multiple ->poll()
> instances share a (unary) rx_recycle queue without proper locking.

Ok, I see it now, thank you.

For now I'll apply your patch, but long term I think we should just
eradicate the recycling code from the entire tree.
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