[PATCH v2 00/13] mm: remove __ARCH_HAS_5LEVEL_HACK

From: Mike Rapoport
Date: Sun Feb 16 2020 - 03:19:28 EST


From: Mike Rapoport <rppt@xxxxxxxxxxxxx>

Hi,

These patches convert several architectures to use page table folding and
remove __ARCH_HAS_5LEVEL_HACK along with include/asm-generic/5level-fixup.h.

The changes are mostly about mechanical replacement of pgd accessors with p4d
ones and the addition of higher levels to page table traversals.

All the patches were sent separately to the respective arch lists and
maintainers hence the "v2" prefix.

Geert Uytterhoeven (1):
sh: fault: Modernize printing of kernel messages

Mike Rapoport (12):
arm/arm64: add support for folded p4d page tables
h8300: remove usage of __ARCH_USE_5LEVEL_HACK
hexagon: remove __ARCH_USE_5LEVEL_HACK
ia64: add support for folded p4d page tables
nios2: add support for folded p4d page tables
openrisc: add support for folded p4d page tables
powerpc: add support for folded p4d page tables
sh: drop __pXd_offset() macros that duplicate pXd_index() ones
sh: add support for folded p4d page tables
unicore32: remove __ARCH_USE_5LEVEL_HACK
asm-generic: remove pgtable-nop4d-hack.h
mm: remove __ARCH_HAS_5LEVEL_HACK and include/asm-generic/5level-fixup.h

arch/arm/include/asm/kvm_mmu.h | 5 +-
arch/arm/include/asm/pgtable.h | 1 -
arch/arm/include/asm/stage2_pgtable.h | 15 +-
arch/arm/lib/uaccess_with_memcpy.c | 9 +-
arch/arm/mach-sa1100/assabet.c | 2 +-
arch/arm/mm/dump.c | 29 ++-
arch/arm/mm/fault-armv.c | 7 +-
arch/arm/mm/fault.c | 28 ++-
arch/arm/mm/idmap.c | 3 +-
arch/arm/mm/init.c | 2 +-
arch/arm/mm/ioremap.c | 12 +-
arch/arm/mm/mm.h | 2 +-
arch/arm/mm/mmu.c | 35 ++-
arch/arm/mm/pgd.c | 40 +++-
arch/arm64/include/asm/kvm_mmu.h | 10 +-
arch/arm64/include/asm/pgalloc.h | 10 +-
arch/arm64/include/asm/pgtable-types.h | 5 +-
arch/arm64/include/asm/pgtable.h | 37 ++--
arch/arm64/include/asm/stage2_pgtable.h | 48 +++-
arch/arm64/kernel/hibernate.c | 44 +++-
arch/arm64/mm/fault.c | 9 +-
arch/arm64/mm/hugetlbpage.c | 15 +-
arch/arm64/mm/kasan_init.c | 26 ++-
arch/arm64/mm/mmu.c | 52 +++--
arch/arm64/mm/pageattr.c | 7 +-
arch/h8300/include/asm/pgtable.h | 1 -
arch/hexagon/include/asm/fixmap.h | 4 +-
arch/hexagon/include/asm/pgtable.h | 1 -
arch/ia64/include/asm/pgalloc.h | 4 +-
arch/ia64/include/asm/pgtable.h | 17 +-
arch/ia64/mm/fault.c | 7 +-
arch/ia64/mm/hugetlbpage.c | 18 +-
arch/ia64/mm/init.c | 28 ++-
arch/nios2/include/asm/pgtable.h | 3 +-
arch/nios2/mm/fault.c | 9 +-
arch/nios2/mm/ioremap.c | 6 +-
arch/openrisc/include/asm/pgtable.h | 1 -
arch/openrisc/mm/fault.c | 10 +-
arch/openrisc/mm/init.c | 4 +-
arch/powerpc/include/asm/book3s/32/pgtable.h | 1 -
arch/powerpc/include/asm/book3s/64/hash.h | 4 +-
arch/powerpc/include/asm/book3s/64/pgalloc.h | 4 +-
arch/powerpc/include/asm/book3s/64/pgtable.h | 58 +++--
arch/powerpc/include/asm/book3s/64/radix.h | 6 +-
arch/powerpc/include/asm/nohash/32/pgtable.h | 1 -
arch/powerpc/include/asm/nohash/64/pgalloc.h | 2 +-
.../include/asm/nohash/64/pgtable-4k.h | 32 +--
arch/powerpc/include/asm/nohash/64/pgtable.h | 6 +-
arch/powerpc/include/asm/pgtable.h | 8 +
arch/powerpc/kvm/book3s_64_mmu_radix.c | 59 ++++-
arch/powerpc/lib/code-patching.c | 7 +-
arch/powerpc/mm/book3s32/mmu.c | 2 +-
arch/powerpc/mm/book3s32/tlb.c | 4 +-
arch/powerpc/mm/book3s64/hash_pgtable.c | 4 +-
arch/powerpc/mm/book3s64/radix_pgtable.c | 19 +-
arch/powerpc/mm/book3s64/subpage_prot.c | 6 +-
arch/powerpc/mm/hugetlbpage.c | 28 ++-
arch/powerpc/mm/kasan/kasan_init_32.c | 8 +-
arch/powerpc/mm/mem.c | 4 +-
arch/powerpc/mm/nohash/40x.c | 4 +-
arch/powerpc/mm/nohash/book3e_pgtable.c | 15 +-
arch/powerpc/mm/pgtable.c | 25 ++-
arch/powerpc/mm/pgtable_32.c | 28 ++-
arch/powerpc/mm/pgtable_64.c | 10 +-
arch/powerpc/mm/ptdump/hashpagetable.c | 20 +-
arch/powerpc/mm/ptdump/ptdump.c | 22 +-
arch/powerpc/xmon/xmon.c | 17 +-
arch/sh/include/asm/pgtable-2level.h | 1 -
arch/sh/include/asm/pgtable-3level.h | 1 -
arch/sh/include/asm/pgtable_32.h | 5 +-
arch/sh/include/asm/pgtable_64.h | 5 +-
arch/sh/kernel/io_trapped.c | 7 +-
arch/sh/mm/cache-sh4.c | 4 +-
arch/sh/mm/cache-sh5.c | 7 +-
arch/sh/mm/fault.c | 65 ++++--
arch/sh/mm/hugetlbpage.c | 28 ++-
arch/sh/mm/init.c | 15 +-
arch/sh/mm/kmap.c | 2 +-
arch/sh/mm/tlbex_32.c | 6 +-
arch/sh/mm/tlbex_64.c | 7 +-
arch/unicore32/include/asm/pgtable.h | 1 -
arch/unicore32/kernel/hibernate.c | 4 +-
include/asm-generic/5level-fixup.h | 58 -----
include/asm-generic/pgtable-nop4d-hack.h | 64 ------
include/asm-generic/pgtable-nopud.h | 4 -
include/linux/mm.h | 6 -
mm/kasan/init.c | 11 -
mm/memory.c | 8 -
virt/kvm/arm/mmu.c | 209 +++++++++++++++---
89 files changed, 988 insertions(+), 500 deletions(-)
delete mode 100644 include/asm-generic/5level-fixup.h
delete mode 100644 include/asm-generic/pgtable-nop4d-hack.h

--
2.24.0