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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4B62FA46.9080602@redhat.com \
--to=riel@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=warlord@mit.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox