[PATCH 2/3] powerpc/64s/radix: ioremap use ioremap_page_range

[Christophe Leroy]

Le 19/06/2019 à 05:59, Nicholas Piggin a écrit :
> Christophe Leroy's on June 11, 2019 4:46 pm:
>>
>>
>> Le 10/06/2019 à 05:08, Nicholas Piggin a écrit :
> I would like to remove the early ioremap or make it into its own
> function. Re-implement map_kernel_page with ioremap_page_range,
> allow page tables that don't use slab to avoid the early check,
> unbolt the hptes mapped in early boot, etc.

Getting early ioremap out of the picture is a very good idea, it will 
help making things more common between all platform types. Today we face 
the fact that PPC32 allocates early io from the top of memory while 
PPC64 allocates it from the bottom of memory.

Any idea on how to proceed ?

Christophe