netdev - Re: [PATCH next-net] ipv6: Use hlist_for_each_entry_rcu_bh() in ipv6_chk_same

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Date:	Tue, 01 Nov 2011 04:39:38 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	roy.qing.li@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH next-net] ipv6: Use hlist_for_each_entry_rcu_bh() in
 ipv6_chk_same_addr()

From: RongQing Li <roy.qing.li@...il.com>
Date: Tue, 1 Nov 2011 16:33:49 +0800

> Yes, But I think the code readable is not good,

It is wasteful to add multiple BH disables and RCU memory
barriers in code paths where it is not necessary.

Your patch fixes no real bug, and adds a regression.


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