netdev - Re: [Patch net-next] net: remove some useless list

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Message-ID: <1401842581.3645.241.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Tue, 03 Jun 2014 17:43:01 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Cong Wang <xiyou.wangcong@...il.com>
Cc:	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Subject: Re: [Patch net-next] net: remove some useless list_del()

On Tue, 2014-06-03 at 17:11 -0700, Cong Wang wrote:
> "list_kill" is allocated on stack and it's a list head,
> it is pointless to call list_del(&kill_list) especially
> after unregister_netdevice_many().

How pointless exactly ? Explain more please.

I suggest you read various commits adding these list_del()

f87e6f47933e3ebeced9bb12615e830a72cedce4 is a good start.

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