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Date: Tue, 3 Jun 2014 19:18:10 -0700 From: Alexei Starovoitov <alexei.starovoitov@...il.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Cong Wang <xiyou.wangcong@...il.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "David S. Miller" <davem@...emloft.net> Subject: Re: [Patch net-next] net: remove some useless list_del() On Tue, Jun 3, 2014 at 5:43 PM, Eric Dumazet <eric.dumazet@...il.com> wrote: > 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. Interesting thread. Thanks guys! detailed explanation by Linus: https://lkml.org/lkml/2011/2/17/267 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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