Re: [PATCH 0/6] x86: 5-level paging enabling for v4.12, Part 1

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* Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> wrote:

> Here's the first bunch of patches of 5-level patchset. Let's see if I'm on
> right track addressing Ingo's feedback. :)
> 
> These patches prepare x86 code to be switched from <asm-generic/5level-fixup>
> to <asm-generic/pgtable-nop4d.h>. It's a stepping stone for adding 5-level
> paging support.
> 
> Please review and consider applying.
> 
> Kirill A. Shutemov (6):
>   x86/mm: Extend headers with basic definitions to support 5-level
>     paging
>   x86/mm: Convert trivial cases of page table walk to 5-level paging
>   x86/gup: Add 5-level paging support
>   x86/ident_map: Add 5-level paging support
>   x86/vmalloc: Add 5-level paging support
>   x86/power: Add 5-level paging support
> 
>  arch/x86/include/asm/pgtable-2level_types.h |  1 +
>  arch/x86/include/asm/pgtable-3level_types.h |  1 +
>  arch/x86/include/asm/pgtable.h              | 26 +++++++++---
>  arch/x86/include/asm/pgtable_64_types.h     |  1 +
>  arch/x86/include/asm/pgtable_types.h        | 30 ++++++++++++-
>  arch/x86/kernel/tboot.c                     |  6 ++-
>  arch/x86/kernel/vm86_32.c                   |  6 ++-
>  arch/x86/mm/fault.c                         | 66 +++++++++++++++++++++++++----
>  arch/x86/mm/gup.c                           | 33 ++++++++++++---
>  arch/x86/mm/ident_map.c                     | 51 +++++++++++++++++++---
>  arch/x86/mm/init_32.c                       | 22 +++++++---
>  arch/x86/mm/ioremap.c                       |  3 +-
>  arch/x86/mm/pgtable.c                       |  4 +-
>  arch/x86/mm/pgtable_32.c                    |  8 +++-
>  arch/x86/platform/efi/efi_64.c              | 13 ++++--
>  arch/x86/power/hibernate_32.c               |  7 ++-
>  arch/x86/power/hibernate_64.c               | 50 ++++++++++++++++------
>  17 files changed, 269 insertions(+), 59 deletions(-)

Much better!

I've applied them, with (very) minor readability edits here and there, and will 
push them out into tip:x86/mm and tip:master after some testing - you can use that 
as a base for the remaining submissions.

I've also applied the GUP patch, with the assumption that you'll address Linus's 
request to switch x86 over to the generic version.

Thanks,

	Ingo



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