linux-kernel - Re: [RFC PATCH v4 00/28] x86: Secure Memory Encryption (AMD)

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Message-ID: <20170218181209.xk5ut4g65f2fedzi@pd.tnic>
Date:   Sat, 18 Feb 2017 19:12:09 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Tom Lendacky <thomas.lendacky@....com>
Cc:     linux-arch@...r.kernel.org, linux-efi@...r.kernel.org,
        kvm@...r.kernel.org, linux-doc@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
        linux-mm@...ck.org, iommu@...ts.linux-foundation.org,
        Rik van Riel <riel@...hat.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Toshimitsu Kani <toshi.kani@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Jonathan Corbet <corbet@....net>,
        Matt Fleming <matt@...eblueprint.co.uk>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Joerg Roedel <joro@...tes.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Brijesh Singh <brijesh.singh@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Alexander Potapenko <glider@...gle.com>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Larry Woodman <lwoodman@...hat.com>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [RFC PATCH v4 00/28] x86: Secure Memory Encryption (AMD)

On Thu, Feb 16, 2017 at 09:41:59AM -0600, Tom Lendacky wrote:
>  create mode 100644 Documentation/x86/amd-memory-encryption.txt
>  create mode 100644 arch/x86/include/asm/mem_encrypt.h
>  create mode 100644 arch/x86/kernel/mem_encrypt_boot.S
>  create mode 100644 arch/x86/kernel/mem_encrypt_init.c
>  create mode 100644 arch/x86/mm/mem_encrypt.c

I don't see anything standing in the way of merging those last two and
having a single:

arch/x86/kernel/mem_encrypt.c

with all functionality in there with ifdeffery around it so
that sme_encrypt_kernel() et all are still visible in the
!CONFIG_AMD_MEM_ENCRYPT case.

-- 
Regards/Gruss,
    Boris.

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