linux-kernel - Re: [PATCH] net: Fix spinlock use in alloc_netdev

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Date:	Wed, 12 Aug 2009 16:44:12 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jpirko@...hat.com
Cc:	akpm@...ux-foundation.org, mingo@...e.hu, a.p.zijlstra@...llo.nl,
	torvalds@...ux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, eric.dumazet@...il.com
Subject: Re: [PATCH] net: Fix spinlock use in alloc_netdev_mq()

From: Jiri Pirko <jpirko@...hat.com>
Date: Thu, 6 Aug 2009 10:31:02 +0200

> Hmm, I see your point here. Eric previously posted patch which moved spin lock
> init into alloc_netdev_mq(). But he was worried about having it here and
> netdev_set_addr_lockdep_class() in register_netdevice() (because before
> dev_unicast_init() dev->type is not set). So how about the following patch?

Well, because of those potential late dev->type settings we
can't do things this way.  And I believe those in fact do happen.

So I'm tossing this patch, I wouldn't have applied it to net-2.6
anyways, as it's net-next-2.6 material :-)
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