Here's updated version of the last bunch of of patches that brings initial
5-level paging enabling.
Please review and consider applying.
Changes since v6:
- Major rework 5-level paging enabling in decompression code to fix #GP when
bootloader enables long mode.
- Fix in sync_global_pgds() (Andrey Ryabinin);
- Couple Reviewed-by form Juergen Gross.
Kirill A. Shutemov (14):
x86/mm/gup: Switch GUP to the generic get_user_page_fast()
implementation
x86/asm: Fix comment in return_from_SYSCALL_64
x86/boot/efi: Cleanup initialization of GDT entries
x86/boot/efi: Fix __KERNEL_CS definition of GDT entry on 64-bit
configuration
x86/boot/efi: Define __KERNEL32_CS GDT on 64-bit configurations
x86/boot/compressed: Enable 5-level paging during decompression stage
x86/boot/64: Rewrite startup_64 in C
x86/boot/64: Rename init_level4_pgt and early_level4_pgt
x86/boot/64: Add support of additional page table level during early
boot
x86/mm: Add sync_global_pgds() for configuration with 5-level paging
x86/mm: Make kernel_physical_mapping_init() support 5-level paging
x86/mm: Add support for 5-level paging for KASLR
x86: Enable 5-level paging support
x86/mm: Allow to have userspace mappings above 47-bits
arch/arm/Kconfig | 2 +-
arch/arm64/Kconfig | 2 +-
arch/powerpc/Kconfig | 2 +-
arch/x86/Kconfig | 8 +
arch/x86/boot/compressed/eboot.c | 73 ++--
arch/x86/boot/compressed/head_64.S | 86 ++++-
arch/x86/entry/entry_64.S | 3 +-
arch/x86/include/asm/elf.h | 4 +-
arch/x86/include/asm/mmu_context.h | 12 -
arch/x86/include/asm/mpx.h | 9 +
arch/x86/include/asm/pgtable-3level.h | 47 +++
arch/x86/include/asm/pgtable.h | 55 ++-
arch/x86/include/asm/pgtable_64.h | 22 +-
arch/x86/include/asm/processor.h | 12 +-
arch/x86/include/uapi/asm/processor-flags.h | 2 +
arch/x86/kernel/espfix_64.c | 2 +-
arch/x86/kernel/head64.c | 143 +++++++-
arch/x86/kernel/head_64.S | 131 ++------
arch/x86/kernel/machine_kexec_64.c | 2 +-
arch/x86/kernel/sys_x86_64.c | 30 +-
arch/x86/mm/Makefile | 2 +-
arch/x86/mm/dump_pagetables.c | 2 +-
arch/x86/mm/gup.c | 496 ----------------------------
arch/x86/mm/hugetlbpage.c | 27 +-
arch/x86/mm/init_64.c | 108 +++++-
arch/x86/mm/kasan_init_64.c | 12 +-
arch/x86/mm/kaslr.c | 81 +++--
arch/x86/mm/mmap.c | 6 +-
arch/x86/mm/mpx.c | 33 +-
arch/x86/realmode/init.c | 2 +-
arch/x86/xen/Kconfig | 1 +
arch/x86/xen/mmu_pv.c | 16 +-
arch/x86/xen/xen-pvh.S | 2 +-
mm/Kconfig | 2 +-
mm/gup.c | 10 +-
35 files changed, 722 insertions(+), 725 deletions(-)
delete mode 100644 arch/x86/mm/gup.c
--
2.11.0
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