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To: Greg KH <greg@kroah.com>
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From: Roland Dreier <roland@topspin.com>
Date: Tue, 23 Nov 2004 10:56:06 -0800
In-Reply-To: <20041123183813.GA31068@kroah.com> (Greg KH's message of "Tue,
 23 Nov 2004 10:38:14 -0800")
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    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.

Surely IBM can implement RCU in non-GPLed AIX code or license the
patent to whoever they like, with whatever terms they like?

 - Roland
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