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4a45b7460c
linux/arch/powerpc/mm
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Christophe Leroy 4a45b7460c powerpc/mm: refactor ioremap vm area setup. 
PPC32 and PPC64 are doing the same once SLAB is available.
Create a do_ioremap() function that calls get_vm_area and
do the mapping.

For PPC64, we add the 4K PFN hack sanity check to __ioremap_caller()
in order to avoid using __ioremap_at(). Other checks in __ioremap_at()
are irrelevant for __ioremap_caller().

On PPC64, VM area is allocated in the range [ioremap_bot ; IOREMAP_END]
On PPC32, VM area is allocated in the range [VMALLOC_START ; VMALLOC_END]

Lets define IOREMAP_START is ioremap_bot for PPC64, and alias
IOREMAP_START/END to VMALLOC_START/END on PPC32

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/42e7e36ad32e0fdf76692426cc642799c9f689b8.1566309263.git.christophe.leroy@c-s.fr
2019-08-27 13:03:35 +10:00
..
book3s32 powerpc/mm: ppc 603 doesn't need update_mmu_cache() 2019-08-20 21:22:14 +10:00
book3s64 powerpc/mm: refactor ioremap_range() and use ioremap_page_range() 2019-08-27 13:03:35 +10:00
kasan powerpc/kasan: Fix shadow area set up for modules. 2019-08-20 21:22:11 +10:00
nohash powerpc/mm: make ioremap_bot common to all 2019-08-27 13:03:34 +10:00
ptdump powerpc/ptdump: drop non vital #ifdefs 2019-08-20 21:22:09 +10:00
copro_fault.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153 2019-05-30 11:26:32 -07:00
dma-noncoherent.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
drmem.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fault.c mm, kprobes: generalize and rename notify_page_fault() as kprobe_page_fault() 2019-07-16 19:23:22 -07:00
highmem.c powerpc/highmem: Change BUG_ON() to WARN_ON() 2019-04-20 22:02:11 +10:00
hugetlbpage.c powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
init_32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
init_64.c powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
init-common.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
ioremap_32.c powerpc/mm: refactor ioremap vm area setup. 2019-08-27 13:03:35 +10:00
ioremap_64.c powerpc/mm: refactor ioremap vm area setup. 2019-08-27 13:03:35 +10:00
ioremap.c powerpc/mm: refactor ioremap vm area setup. 2019-08-27 13:03:35 +10:00
Makefile powerpc/mm: Move ioremap functions out of pgtable_32/64.c 2019-08-27 13:03:35 +10:00
mem.c powerpc/mm: move update_mmu_cache() into book3s hash utils. 2019-08-20 21:22:14 +10:00
mmap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mmu_context.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
mmu_decl.h powerpc/mm: make ioremap_bot common to all 2019-08-27 13:03:34 +10:00
numa.c powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
pgtable_32.c powerpc/mm: Move ioremap functions out of pgtable_32/64.c 2019-08-27 13:03:35 +10:00
pgtable_64.c powerpc/mm: Move ioremap functions out of pgtable_32/64.c 2019-08-27 13:03:35 +10:00
pgtable-frag.c mm: treewide: remove unused address argument from pte_alloc functions 2019-01-04 13:13:47 -08:00
pgtable.c powerpc updates for 5.3 2019-07-13 16:08:36 -07:00
slice.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00