On Fri, Dec 06, 2024 at 10:00:37AM +1100, Benjamin Herrenschmidt wrote: > On Tue, 2024-12-03 at 11:51 +0100, Gerd Hoffmann wrote: > > > > The only case I'm aware of where the byte order is actually switched is > > booting a ppc64le guest in a pseries machine, where the opal firmware > > runs in bigendian mode and the linux kernel runs in little endian mode. > > > > So here the changed reset behavior could actually make a difference, but > > you will only notice if the opal firmware does *not* set the byte order > > register. > > OPAL (well skiboot) doesn't display anything anyways (or at least it > didn't when I wrote it :-). It just boots Linux as a bootloader. So as > long as Linux itself sets the register it should be fine.
Oh, mixed up the firmware names, it's SLOF not OPAL. sorry for the confusion, Gerd
