linux-kernel - Re: [net PATCH] tuntap: set SOCK

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Message-Id: <20130612.004533.1565702065831087835.davem@davemloft.net>
Date:	Wed, 12 Jun 2013 00:45:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mst@...hat.com
Cc:	jasowang@...hat.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [net PATCH] tuntap: set SOCK_ZEROCOPY flag during open

From: "Michael S. Tsirkin" <mst@...hat.com>
Date: Tue, 11 Jun 2013 16:17:50 +0300

> On Sat, Jun 08, 2013 at 02:17:41PM +0800, Jason Wang wrote:
>>Cc: smtp.corp.redhat.com@...hat.com, davem@...emloft.net,
>>	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
>>
>> Commit 54f968d6efdbf7dec36faa44fc11f01b0e4d1990
>> (tuntap: move socket to tun_file) forgets to set SOCK_ZEROCOPY flag, which will
>> prevent vhost_net from doing zercopy w/ tap. This patch fixes this by setting
>> it during file open.
>> 
>> Cc: Michael S. Tsirkin <mst@...hat.com>
>> Signed-off-by: Jason Wang <jasowang@...hat.com>
> 
> One of the addresses in the Cc list (smtp.corp.redhat.com@...hat.com)
> is clearly a mistake, which probably explains why it didn't
> get into patchwork.
> 
> I have bounced it to correct addresses, hope this
> helps instead of making even more of a mess of it.
> 
> For 3.10 and -stable:
> 
> Acked-by: Michael S. Tsirkin <mst@...hat.com>

Applied and queued up for -stable, thanks.
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