Messages in this thread | | | Date | Tue, 23 Nov 2004 14:30:52 -0500 (EST) | From | linux-os <> | Subject | Re: [openib-general] Re: [PATCH][RFC/v1][4/12] Add InfiniBand SA (Subnet Administration) query support |
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On Tue, 23 Nov 2004, Greg KH wrote:
> On Tue, Nov 23, 2004 at 09:52:46AM -0800, Johannes Erdfelt wrote: >> On Mon, Nov 22, 2004, Greg KH <greg@kroah.com> wrote: >>> To be straightforward, either drop the RCU code completely, or change >>> the license of your code. >> >> Or compile against non-GPL RCU code, right? > > No. RCU is covered by a patent that only allows for it to be > implemented in GPL licensed code. If you want to use RCU in non-GPL > code, you need to sign a license agreement with the holder of the RCU > patent. > > This was all covered a few years ago when the RCU code first went into > the kernel tree. See the lkml archives for details. > > So the very usage of RCU in the code is the issue here, not the fact > that it is being linked against a GPL licensed header file. > > This isn't a GPL interpretation here, but a patent license agreement > issue. Sorry for not being clearer the first time around, I thought > everyone was aware of this issue by now. > > thanks,
Not! RCU was implemented by MIT in 1975 under a grant from NASA. A subsequent patent by Sequent is likely invalid because of prior art. Further, IBM purchased Sequent, not SCO.
Remember, regardless of how many times a lie is repeated, it never becomes true.
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