Christophe Leroy's on June 20, 2019 2:25 am: > > > 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 ?
I have to have a bit better look at other arches and our platform code. Without having looked closely at all the details, I would hope we could use GENERIC_EARLY_IOREMAP without too much pain. Thanks, Nick
