linux-kernel - Re: [RFC] netlink: get rid of nl_table

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Date:	Tue, 06 Jan 2015 17:19:41 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	stephen@...workplumber.org
Cc:	tgraf@...g.ch, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au,
	paulmck@...ux.vnet.ibm.com, edumazet@...gle.com,
	john.r.fastabend@...el.com, josh@...htriplett.org
Subject: Re: [RFC] netlink: get rid of nl_table_lock

From: Stephen Hemminger <stephen@...workplumber.org>
Date: Sat, 3 Jan 2015 11:02:11 -0800

> As a follow on to Thomas's patch I think this would complete the
> transistion to RCU for netlink.
> Compile tested only.
> 
> This patch gets rid of the reader/writer nl_table_lock and replaces it
> with exclusively using RCU for reading, and a mutex for writing.
> 
> Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>

FWIW, this approach looks fine to me.

Thomas can you review this?
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