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From: Greg KH <greg@kroah.com>
To: Roland Dreier <roland@topspin.com>
Cc: Johannes Erdfelt <johannes@erdfelt.com>, linux-kernel@vger.kernel.org
Subject: Re: [openib-general] Re: [PATCH][RFC/v1][4/12] Add InfiniBand SA (Subnet Administration) query support
Date: Wed, 24 Nov 2004 11:29:28 -0800	[thread overview]
Message-ID: <20041124192928.GA2053@kroah.com> (raw)
In-Reply-To: <52u0rfyrt2.fsf@topspin.com>

On Wed, Nov 24, 2004 at 11:23:37AM -0800, Roland Dreier wrote:
>     Greg> No.  RCU is covered by a patent that only allows for it to
>     Greg> be implemented in GPL licensed code.  If you want to use RCU
>     Greg> in non-GPL code, you need to sign a license agreement with
>     Greg> the holder of the RCU patent.
> 
> Not to stir up the flames any further (and this is really a moot point
> since I got rid of our use of RCU)...
> 
> But given that I could implement the same API as in rcupdate.h as
> below without using IBM's patented technique, how does merely using
> this API cause code to require a patent license?

Consult your IP lawyer for issues like this, I am not one, and do not
have an answer for this.

thanks,

greg k-h

  reply	other threads:[~2004-11-24 19:59 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20041122713.SDrx8l5Z4XR5FsjB@topspin.com>
2004-11-22 15:13 ` [PATCH][RFC/v1][4/12] Add InfiniBand SA (Subnet Administration) query support Roland Dreier
2004-11-22 19:33   ` Sam Ravnborg
2004-11-22 21:28     ` Roland Dreier
2004-11-22 22:25   ` Greg KH
2004-11-22 22:40     ` [openib-general] Re: [PATCH][RFC/v1][4/12] Add InfiniBand SA(Subnet " Fab Tillier
2004-11-22 23:34     ` [PATCH][RFC/v1][4/12] Add InfiniBand SA (Subnet " Roland Dreier
2004-11-23  6:41       ` Greg KH
2004-11-23  6:47         ` Roland Dreier
2004-11-23  7:29           ` Greg KH
2004-11-23 17:52             ` [openib-general] " Johannes Erdfelt
2004-11-23 18:38               ` Greg KH
2004-11-23 18:56                 ` Roland Dreier
2004-11-23 19:01                   ` Greg KH
2004-11-23 19:13                 ` Johannes Erdfelt
2004-11-23 19:30                 ` linux-os
2004-11-23 19:42                   ` Greg KH
2004-11-24 19:23                 ` Roland Dreier
2004-11-24 19:29                   ` Greg KH [this message]
2004-11-23 15:27         ` Randy.Dunlap

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