From: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
To: opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org
Cc: amwang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
nhorman-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org,
linux-sctp-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [RFC Patch] net: reserve ports for applications using fixed port numbers
Date: Thu, 04 Feb 2010 09:41:10 -0800 (PST) [thread overview]
Message-ID: <20100204.094110.64247447.davem@davemloft.net> (raw)
In-Reply-To: <201002041444.01897.opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org>
From: Octavian Purdila <opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org>
Date: Thu, 4 Feb 2010 14:44:01 +0200
> My concern is that we can have multiple applications that require a
> fixed port and if those ports are significantly apart we will
> decrease the port range available for connect. And that will hurt
> the rate of which new connections can be opened.
I'm already uneasy about adding the simple check every time
we loop around in the bind port allocator.
Adding an LSM hook to this spot? I absolutely refuse to allow
that, it will completely kill bind performance.
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next prev parent reply other threads:[~2010-02-04 17:41 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-03 4:30 [RFC Patch] net: reserve ports for applications using fixed port numbers Amerigo Wang
[not found] ` <20100203043332.3817.27932.sendpatchset-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-02-03 4:39 ` Eric Dumazet
2010-02-03 5:15 ` Cong Wang
2010-02-03 11:12 ` Octavian Purdila
[not found] ` <201002031312.48531.opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org>
2010-02-04 3:23 ` Cong Wang
[not found] ` <4B6A3DBA.1000706-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-04 12:44 ` Octavian Purdila
[not found] ` <201002041444.01897.opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org>
2010-02-04 17:41 ` David Miller [this message]
[not found] ` <20100204.094110.64247447.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2010-02-04 18:15 ` Octavian Purdila
[not found] ` <201002042015.51092.opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org>
2010-02-04 18:21 ` David Miller
2010-02-04 21:45 ` Tetsuo Handa
[not found] ` <201002050645.CEC95380.MLOtOVFFHSFOQJ-JPay3/Yim36HaxMnTkn67Xf5DAMn2ifp@public.gmane.org>
2010-02-04 21:56 ` David Miller
2010-02-05 0:41 ` Tetsuo Handa
2010-02-05 1:05 ` Octavian Purdila
2010-02-05 6:01 ` Cong Wang
2010-02-05 12:28 ` Octavian Purdila
2010-02-05 4:45 ` Cong Wang
[not found] ` <4B6BA272.4090405-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-05 12:05 ` Octavian Purdila
[not found] ` <201002051405.54029.opurdila-+zzKsuq53OdBDgjK7y7TUQ@public.gmane.org>
2010-02-08 3:21 ` Cong Wang
[not found] ` <4B6F834E.4010801-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2010-02-08 16:51 ` Octavian Purdila
2010-02-05 7:11 ` Bart Van Assche
2010-02-05 7:25 ` Cong Wang
2010-02-05 9:08 ` [RFC Patch] net: reserve ports for applications using fixed portnumbers Tetsuo Handa
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