linux-kernel - Re: [ofa-general] Re: [PATCH RFC] RDMA/CMA: Allocate PS

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Message-Id: <1187271791.4685.9.camel@trinity.ogc.int>
Date:	Thu, 16 Aug 2007 08:43:11 -0500
From:	Tom Tucker <tom@...ngridcomputing.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Steve Wise <swise@...ngridcomputing.com>,
	David Miller <davem@...emloft.net>, mshefty@...ips.intel.com,
	rdreier@...co.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, general@...ts.openfabrics.org
Subject: Re: [ofa-general] Re: [PATCH RFC] RDMA/CMA: Allocate PS_TCP ports
	from the host TCP port space.

On Wed, 2007-08-15 at 22:26 -0400, Jeff Garzik wrote:

[...snip...]

> > I think removing the RDMA stack is the wrong thing to do, and you 
> > shouldn't just threaten to yank entire subsystems because you don't like 
> > the technology.  Lets keep this constructive, can we?  RDMA should get 
> > the respect of any other technology in Linux.  Maybe its a niche in your 
> > opinion, but come on, there's more RDMA users than say, the sparc64 
> > port.  Eh?
> 
> It's not about being a niche.  It's about creating a maintainable 
> software net stack that has predictable behavior.

Isn't RDMA _part_ of the "software net stack" within Linux? Why isn't
making RDMA stable, supportable and maintainable equally as important as
any other subsystem? 

> 
> Needing to reach out of the RDMA sandbox and reserve net stack resources 
> away from itself travels a path we've consistently avoided.
> 
> 
> >> I will NACK any patch that opens up sockets to eat up ports or
> >> anything stupid like that.
> > 
> > Got it.
> 
> Ditto for me as well.
> 
> 	Jeff
> 
> 
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