linux-kernel - Re: [RFC PATCH v2 15/20] iommu/amd: AMD IOMMU support for memory encryption

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Message-ID: <20160914144139.GA9295@nazgul.tnic>
Date:   Wed, 14 Sep 2016 16:41:39 +0200
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,
        Radim Krčmář <rkrcmar@...hat.com>,
        Arnd Bergmann <arnd@...db.de>,
        Jonathan Corbet <corbet@....net>,
        Matt Fleming <matt@...eblueprint.co.uk>,
        Joerg Roedel <joro@...tes.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Ingo Molnar <mingo@...hat.com>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Alexander Potapenko <glider@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [RFC PATCH v2 15/20] iommu/amd: AMD IOMMU support for memory
 encryption

On Wed, Sep 14, 2016 at 08:45:44AM -0500, Tom Lendacky wrote:
> Currently, mem_encrypt.h only lives in the arch/x86 directory so it
> wouldn't be able to be included here without breaking other archs.

I'm wondering if it would be simpler to move only sme_me_mask to an
arch-agnostic header just so that we save us all the code duplication.

Hmmm.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--