Re: [openib-general] Re: [PATCH][RFC/v1][4/12] Add InfiniBand SA(Subnet Administration) query support

[Roland Dreier]

    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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