netdev - Re: [PATCH] netlink: convert DIY reader/writer to mutex and RCU (v2)

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Message-ID: <20100318174459.207f4969@nehalam>
Date:	Thu, 18 Mar 2010 17:44:59 -0700
From:	Stephen Hemminger <shemminger@...tta.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] netlink: convert DIY reader/writer to mutex and RCU
 (v2)

On Tue, 16 Mar 2010 16:00:35 +0100
Eric Dumazet <eric.dumazet@...il.com> wrote:

> Le lundi 08 mars 2010 à 14:00 -0800, Stephen Hemminger a écrit :
> > The netlink table locking was open coded version of reader/writer
> > sleeping lock.  Change to using mutex and RCU which makes
> > code clearer, shorter, and simpler.
> > 
> > Could use sk_list nulls but then would have to have kmem_cache
> > for netlink handles and that seems like unnecessary bloat.
> > 
> > Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
> > 
> > ---

Maybe using rcu list_nulls would be better.
The problem is what about the bind_node hash list.
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