On Mon, Dec 18, 2023, at 21:02, John Paul Adrian Glaubitz wrote: > On Mon, 2023-12-18 at 20:52 +0000, Arnd Bergmann wrote: > >> The most important bit here would be someone with the authority >> or Ack or Nak a patch going into another git tree. Even if you >> are sometimes wrong, that is still much better than no reply. > > Yep. And there are actually a number of very nice improvements from > Oracle engineers for sparc64 that got never upstreamed. These include > kexec support as well as support for hypervisor control from Linux. > > They can all be found in Oracle's Unbreakable Kernel Tree: > >> https://github.com/oracle/linux-uek/tree/uek4/qu7 > > I have already reached out to one of the Oracle engineers and they would > be happy to help us getting some of the patches merged upstream. Ah, I didn't know there were so many patches that never made it in. It does look like they were only in UEK4 (linux-4.1) but not ported to the later kernels, so it's going to be more challenging to port these to mainline than the set of leon3 patches that are already on a recent baseline. Arnd
