netdev - Re: virt-manager broken by bind(0) in net-next.

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Message-ID: <20090201174025.GA9562@ioremap.net>
Date:	Sun, 1 Feb 2009 20:40:25 +0300
From:	Evgeniy Polyakov <zbr@...emap.net>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	Stephen Hemminger <shemminger@...tta.com>,
	Herbert Xu <herbert@...dor.apana.org.au>, berrange@...hat.com,
	et-mgmt-tools@...hat.com, davem@...emloft.net,
	netdev@...r.kernel.org
Subject: Re: virt-manager broken by bind(0) in net-next.

On Sun, Feb 01, 2009 at 05:12:41PM +0100, Eric Dumazet (dada1@...mosbay.com) wrote:
> > David applied the patch which fixed the problem, so we can return to the
> > cache line issues. What do you think about the last version where
> > bsockets field was placed at the very end of the structure and with
> > cacheline_aligned_on_smp attribute?
> > 
> 
> Yes, at a minimum, move it away from first cache line.
> 
> And using atomic_t so that we dont have to discuss about accumulated
> errors on SMP on this variable. We will see later if percpu counter
> is wanted or not.
> 
> Thank you
> 
> [PATCH] net: move bsockets outside of read only beginning of struct inet_hashinfo
> 
> And switch bsockets to atomic_t since it might be changed in parallel.
> 
> Signed-off-by: Eric Dumazet <dada1@...mosbay.com>

Ok, let's do it this way. Ack.
Thank you Eric.

-- 
	Evgeniy Polyakov
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