netdev - RE: [net-next 07/10] igb: Added rcu

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Message-ID: <1372276722.3301.209.camel@edumazet-glaptop>
Date:	Wed, 26 Jun 2013 12:58:42 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	"Abodunrin, Akeem G" <akeem.g.abodunrin@...el.com>
Cc:	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Duyck, Alexander H" <alexander.h.duyck@...el.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"gospo@...hat.com" <gospo@...hat.com>,
	"sassmann@...hat.com" <sassmann@...hat.com>
Subject: RE: [net-next 07/10] igb: Added rcu_lock to avoid race

On Wed, 2013-06-26 at 12:52 -0700, Eric Dumazet wrote:

> 
> You did not add call_rcu() in this patch, therefore you do not need
> this.
> 
> I am extra careful of people adding useless rcu synchronization just
> because they feel better :)

BTW the rcu_barrier() in ixgbe is no longer needed as well, now it uses
kfree_rcu()



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