On Fri, 14 Oct 2022 01:16:45 +1000, Nicholas Piggin wrote:
> apply_to_page_range on kernel pages does not disable preemption, which
> is a requirement for hash's lazy mmu mode, which keeps track of the
> TLBs to flush with a per-cpu array.
>
>
Applied to powerpc/fixes.
[1/3] powerpc/64s: Disable preemption in hash lazy mmu mode
https://git.kernel.org/powerpc/c/b9ef323ea1682f9837bf63ba10c5e3750f71a20a
[2/3] powerpc/64s: Fix hash__change_memory_range preemption warning
https://git.kernel.org/powerpc/c/2b2095f3a6b43ec36ff890febc588df1ec32e826
[3/3] powerpc: fix reschedule bug in KUAP-unlocked user copy
https://git.kernel.org/powerpc/c/00ff1eaac129a24516a3f6d75adfb9df1efb55dd
cheers
