linux-kernel - Re: [PATCH 04/11] x86/sme: Replace occurrences of sme_active() with prot_guest

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Message-ID: <YQfK+cXK+hLW2T0c@8bytes.org>
Date:   Mon, 2 Aug 2021 12:37:45 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Tom Lendacky <thomas.lendacky@....com>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        iommu@...ts.linux-foundation.org, kvm@...r.kernel.org,
        linux-efi@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        linux-graphics-maintainer@...are.com,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        kexec@...ts.infradead.org, linux-fsdevel@...r.kernel.org,
        Borislav Petkov <bp@...en8.de>,
        Brijesh Singh <brijesh.singh@....com>,
        Andi Kleen <ak@...ux.intel.com>,
        Sathyanarayanan Kuppuswamy 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Tianyu Lan <Tianyu.Lan@...rosoft.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Will Deacon <will@...nel.org>
Subject: Re: [PATCH 04/11] x86/sme: Replace occurrences of sme_active() with
 prot_guest_has()

On Tue, Jul 27, 2021 at 05:26:07PM -0500, Tom Lendacky wrote:
> Replace occurrences of sme_active() with the more generic prot_guest_has()
> using PATTR_HOST_MEM_ENCRYPT, except for in arch/x86/mm/mem_encrypt*.c
> where PATTR_SME will be used. If future support is added for other memory
> encryption technologies, the use of PATTR_HOST_MEM_ENCRYPT can be
> updated, as required, to use PATTR_SME.
> 
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: Andy Lutomirski <luto@...nel.org>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Joerg Roedel <joro@...tes.org>
> Cc: Will Deacon <will@...nel.org>
> Signed-off-by: Tom Lendacky <thomas.lendacky@....com>

Reviewed-by: Joerg Roedel <jroedel@...e.de>