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Message-ID: <20100824145643.GR12892@parisc-linux.org>
Date:	Tue, 24 Aug 2010 08:56:43 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Chris Weiss <cweiss@...il.com>
Cc:	Vladislav Bolkhovitin <vst@...b.net>,
	James Bottomley <James.Bottomley@...e.de>,
	Mike Christie <michaelc@...wisc.edu>,
	linux-scsi@...r.kernel.org, Chetan Loke <chetanloke@...il.com>,
	linux-kernel@...r.kernel.org,
	scst-devel <scst-devel@...ts.sourceforge.net>
Subject: Re: [Scst-devel] Fwd: Re: linuxcon 2010...

On Tue, Aug 24, 2010 at 09:51:04AM -0500, Chris Weiss wrote:
> ok now I'm confused, or maybe I'm not understanding ABI correctly, or
> maybe you guys are using it in a way that is inconsistent with popular
> convention.   As a VMware user, I have experienced fully that the
> kernel ABI changes in various places with every release.  VMwares
> drivers have to be constantly updated to match changes in kernel
> function parameters and even what functions are available.

You're talking about in-kernel ABI, which is constantly in flux.  James
is talking about user <-> kernel ABI, which is not supposed to change in
an incompatible way.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
--
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