From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pavel Emelyanov <xemul-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
Subject: Re: [PATCH 8/8] net: Implement socketat.
Date: Thu, 23 Sep 2010 16:34:37 +0400
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Cc: Sukadev Bhattiprolu <sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
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        Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
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To: hadi-fAAogVwAN2Kw5LPnMra/2Q@public.gmane.org, "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
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On 09/23/2010 04:11 PM, jamal wrote:
> On Thu, 2010-09-23 at 15:53 +0400, Pavel Emelyanov wrote:
> 
>> Why does it matter? You told, that the usage scenario was to
>> add routes to container. If I do 2 syscalls instead of 1, is
>> it THAT worse?
>>
> 
> Anything to do with socket IO that requires namespace awareness
> applies for usage; it could be tcp/udp/etc socket. If it doesnt
> make any difference performance wise using one scheme vs other
> to write/read heavy messages then i dont see an issue and socketat
> is redundant.

That's what my point is about - unless we know why would we need it
we don't need it.

Eric, please clarify, what is the need in creating a socket in foreign
net namespace?