linux-kernel - Re: [PATCH 0/4] x86: Cleanup and extend computing computing API

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Date:   Tue, 22 Feb 2022 15:56:18 -0600
From:   Tom Lendacky <thomas.lendacky@....com>
To:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        tglx@...utronix.de, mingo@...hat.com, bp@...en8.de,
        dave.hansen@...el.com, luto@...nel.org, peterz@...radead.org
Cc:     sathyanarayanan.kuppuswamy@...ux.intel.com, aarcange@...hat.com,
        ak@...ux.intel.com, dan.j.williams@...el.com, david@...hat.com,
        hpa@...or.com, jmattson@...gle.com, seanjc@...gle.com,
        brijesh.singh@....com, x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] x86: Cleanup and extend computing computing API

On 2/22/22 12:57, Kirill A. Shutemov wrote:
> Updates for CC API:
>   - Fix for HyperV when AMD SME/SEV disabled;
>   - New home for CC code: arch/x86/coco;
>   - Explicitly declare vendor of CC platform;
>   - New cc_mkenc() and cc_mkdec();
> 
> Kirill A. Shutemov (4):
>    x86/hyperv: Add missing ARCH_HAS_CC_PLATFORM dependency
>    x86: Rename cc_platform.c to arch/x86/coco/core.c
>    x86/coco: Explicitly declare type of confidential computing platform
>    x86/coco: Add API to handle encryption mask

For the series:

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

> 
>   arch/x86/Kbuild                               |  2 +
>   arch/x86/coco/Makefile                        |  6 ++
>   .../x86/{kernel/cc_platform.c => coco/core.c} | 56 +++++++++++++++----
>   arch/x86/include/asm/coco.h                   | 32 +++++++++++
>   arch/x86/include/asm/pgtable.h                | 13 +++--
>   arch/x86/kernel/Makefile                      |  5 --
>   arch/x86/kernel/cpu/mshyperv.c                |  3 +
>   arch/x86/mm/mem_encrypt_identity.c            | 12 ++--
>   arch/x86/mm/pat/set_memory.c                  |  5 +-
>   drivers/hv/Kconfig                            |  1 +
>   10 files changed, 106 insertions(+), 29 deletions(-)
>   create mode 100644 arch/x86/coco/Makefile
>   rename arch/x86/{kernel/cc_platform.c => coco/core.c} (73%)
>   create mode 100644 arch/x86/include/asm/coco.h
>