Patenting kernel patches was Re: Re-implement MCE log ring bufferas per-CPU ring buffer

[Andi Kleen]

> > > I've put in for a patent application on the algorithm so I must wait till 
> > > it is processed before I can release the code.
> > When will it be merged by mainline kernel? Do you have a plan?
> >
> > We do have some scalability issues of current mcelog implementation, and
> > hopes that can be solved as soon as possible, perhaps for 2.6.31?
>
> Yes, I plan on being able to post it before the 31 merge window opens. 
> I'll ping the lawyer to expedite the process.

Sorry, but this is quite ridiculous. Are you serious?

Why would we want such a patented algorithm in the kernel? Normally the standard
policy is to avoid patented algorithms (unless there's really no alternative like
with RCU which is clearly not the case here) and I'm not aware of this policy haven't
changed.

And also holding up perfectly good uncontaminated patches for something
patented seems especially wrong.

I think we should move forward with a standard non patented ring
buffer Ying was working on for this and avoid the patent mess as
far as possible.

-Andi (who wonders if he isn't in bizarro land now)

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