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From: Gu Zheng <guz.fnst@cn.fujitsu.com>
To: David Miller <davem@davemloft.net>
Cc: <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<joe@perches.com>
Subject: Re: [PATCH v2] net: introduce helper macro for_each_cmsghdr
Date: Thu, 11 Dec 2014 09:50:02 +0800	[thread overview]
Message-ID: <5488F84A.8090303@cn.fujitsu.com> (raw)
In-Reply-To: <20141210.204703.1525194278635097457.davem@davemloft.net>

Hi David,
On 12/11/2014 09:47 AM, David Miller wrote:

> From: Gu Zheng <guz.fnst@cn.fujitsu.com>
> Date: Thu, 11 Dec 2014 09:05:59 +0800
> 
>> IMO, the user-land programs need to be build with the matched
>> headers separately.
> 
> You absolutely cannot provide this new interface to userland and
> expect programs to be able to just use it, it's non-standard and does
> not exist in older headers.

Got it, sorry for my mistake, and thanks for your correction.

> 
> I do not want this new interface available to userland programs.
> They can just open-code the list traversal just like every program
> in history has had to do since BSD UNIX.

Agree. Let's leave the user-land ones as they are.
I'll send a new version (without changing user-land ones) soon.

Best regards,
Gu

> .
> 

  reply	other threads:[~2014-12-11  1:50 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-10  5:36 [PATCH v2] net: introduce helper macro for_each_cmsghdr Gu Zheng
2014-12-10  6:56 ` Joe Perches
2014-12-10  8:15   ` Gu Zheng
2014-12-10 14:51     ` Joe Perches
2014-12-11  1:11       ` Gu Zheng
2014-12-10 18:48 ` David Miller
2014-12-10 19:44   ` David Miller
2014-12-11  1:05     ` Gu Zheng
2014-12-11  1:47       ` David Miller
2014-12-11  1:50         ` Gu Zheng [this message]
  -- strict thread matches above, loose matches on Subject: below --
2014-12-10  1:39 Gu Zheng
2014-12-10  1:56 ` Gu Zheng
2014-12-10  2:01 ` Joe Perches
2014-12-10  2:02   ` Gu Zheng

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