netdev - Re: freeze with interface rename & SIOCGIFNAME

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Message-ID: <1372179933.3301.106.camel@edumazet-glaptop>
Date:	Tue, 25 Jun 2013 10:05:33 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Nicolas Schichan <nschichan@...ebox.fr>
Cc:	netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
	Cong Wang <amwang@...hat.com>
Subject: Re: freeze with interface rename & SIOCGIFNAME

On Tue, 2013-06-25 at 09:57 -0700, Eric Dumazet wrote:

> I am not sure it's needed, because the writer holds a spinlock and is
> not allowed to sleep or being preempted.
> 
> If it's needed, there is a bug somewhere else...

Oh well, its a write_seqcount, so no spinlock...



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