Try contacting the Linux kernel RCU maintainer, he should be able to look into if IBM is willing to do this or not. Odds are, they are not, it was a very speci

Try contacting the Linux kernel RCU maintainer, he should be able to look into if IBM is willing to do this or not. Odds are, they are not, it was a very specific decision to let this be a GPLv2 only patent grant, but as I haven't worked for IBM for almost a decade, I can't speak for them in any form (not that I ever could...)