Re: [PATCHv3 0/3] x86/mm/encrypt: Cleanup and switching between paging modes

[Tom Lendacky <thomas.lendacky@amd.com>]

On 1/24/2018 10:36 AM, Kirill A. Shutemov wrote:
> This patcheset is a preparation set for boot-time switching between
> paging modes. Please review and consider applying.
> 
> Code around sme_populate_pgd() is unnecessary complex and hard to modify.
> 
> This patchset rewrites it in more stream-lined way to add support of
> boot-time switching between paging modes.
> 
> I haven't tested the patchset on hardware capable of memory encryption.

Tested-by: Tom Lendacky <thomas.lendacky@amd.com>

> 
> v3:
>  - Move all page table related functions into mem_encrypt_identity.c
> v2:
>  - Rebased to up-to-date tip
> 
> Kirill A. Shutemov (3):
>   x86/mm/encrypt: Move page table helpers into separate translation unit
>   x86/mm/encrypt: Rewrite sme_populate_pgd() and
>     sme_populate_pgd_large()
>   x86/mm/encrypt: Rewrite sme_pgtable_calc()
> 
>  arch/x86/mm/Makefile               |  14 +-
>  arch/x86/mm/mem_encrypt.c          | 578 +------------------------------------
>  arch/x86/mm/mem_encrypt_identity.c | 563 ++++++++++++++++++++++++++++++++++++
>  arch/x86/mm/mm_internal.h          |   1 +
>  4 files changed, 574 insertions(+), 582 deletions(-)
>  create mode 100644 arch/x86/mm/mem_encrypt_identity.c
> 

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