Apparently, cherry-picking 0828137e8f16721842468e33df0460044a0c588b ("powerpc/64s: Don't init FSCR_DSCR in __init_FSCR()") fixes the issue. Which explains why 5.8 does not show the problem.
Building a kernel with that patch applied so I can test it.
Cascardo.
Apparently, cherry-picking 0828137e8f16721 842468e33df0460 044a0c588b ("powerpc/64s: Don't init FSCR_DSCR in __init_FSCR()") fixes the issue. Which explains why 5.8 does not show the problem.
Building a kernel with that patch applied so I can test it.
Cascardo.