Ard Biesheuvel [off-list ref] writes:

Ard Biesheuvel (5):
  ARM: memcpy: use frame pointer as unwind anchor
  ARM: memmove: use frame pointer as unwind anchor
  ARM: memset: clean up unwind annotations
  ARM: unwind: disregard unwind info before stack frame is set up
  ARM: implement support for vmap'ed stacks

I've been testing these on my Raspberry Pi 2B (quad v7), including
testing kernel stack overflow which now kills the related process rather
than the whole system.

Tested-by: Keith Packard <redacted>

-- 
-keith