From: Rik van Riel <riel@redhat.com>
To: Derek Atkins <warlord@mit.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Re-enabling non-GPL driver access to disk partition information
Date: Fri, 29 Jan 2010 10:09:58 -0500 [thread overview]
Message-ID: <4B62FA46.9080602@redhat.com> (raw)
In-Reply-To: <sjmd40t3slu.fsf@pgpdev.ihtfp.org>
On 01/29/2010 09:15 AM, Derek Atkins wrote:
> Hi Linuxers,
>
> I've been working on a proprietary disk driver which has been working
> for the past couple years on Linux as old as 2.6.18. Unfortunately,
> as of 2.6.28 it appears that some of the gendisk interfaces (read:
> structure members) I was using were moved behind an RCU and other
> GPL-ONLY accessor interfaces.
RCU is patented, with permission for GPL code to use the algorithm.
Exposing RCU bits to non-GPL modules would be rather pointless, since
those don't have permission (from IBM, the RCU patent holder) to use
RCU, anyway.
--
All rights reversed.
next prev parent reply other threads:[~2010-01-29 15:10 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-29 14:15 Re-enabling non-GPL driver access to disk partition information Derek Atkins
2010-01-29 14:47 ` Al Viro
2010-01-29 15:09 ` Rik van Riel [this message]
2010-01-29 15:38 ` Derek Atkins
2010-01-29 15:23 ` Alan Cox
2010-01-29 22:06 ` Greg KH
2010-01-30 4:02 ` David Newall
2010-02-03 2:10 ` Greg KH
2010-02-03 15:28 ` David Newall
2010-02-04 0:30 ` Robert Hancock
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