netdev - Re: [PATCH 5/5] net: Make AF_UNIX per network namespace safe.

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Message-ID: <46FE73AC.40807@trash.net>
Date:	Sat, 29 Sep 2007 17:47:56 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Linux Containers <containers@...ts.osdl.org>
Subject: Re: [PATCH 5/5] net: Make AF_UNIX per network namespace safe.

Eric W. Biederman wrote:
> Because of the global nature of garbage collection, and because of the
> cost of per namespace hash tables unix_socket_table has been kept
> global.  With a filter added on lookups so we don't see sockets from
> the wrong namespace.
> 
> Currently I don't fold the namesapce into the hash so multiple
> namespaces using the same socket name will be guaranteed a hash
> collision.


That doesn't sound like a good thing :) Is there a reason for
not avoiding the collisions?
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