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Date: Fri, 29 Sep 2017 07:51:27 +0200
From: Borislav Petkov <bp@suse.de>
To: Brijesh Singh <brijesh.singh@amd.com>
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org,
        Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>,
        "H. Peter Anvin" <hpa@zytor.com>, Paolo Bonzini <pbonzini@redhat.com>,
        Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>,
        Tom Lendacky <thomas.lendacky@amd.com>
Subject: Re: [Part1 PATCH v5 16/17] X86/KVM: Decrypt shared per-cpu variables
 when SEV is active
Message-ID: <20170929055127.yv4cge4tsrohexk4@pd.tnic>
References: <20170927151329.70011-1-brijesh.singh@amd.com>
 <20170927151329.70011-17-brijesh.singh@amd.com>
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On Wed, Sep 27, 2017 at 10:13:28AM -0500, Brijesh Singh wrote:
> When SEV is active, guest memory is encrypted with a guest-specific key, a
> guest memory region shared with the hypervisor must be mapped as decrypted
> before we can share it.
> 
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Cc: Borislav Petkov <bp@suse.de>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: "Radim Krčmář" <rkrcmar@redhat.com>
> Cc: Tom Lendacky <thomas.lendacky@amd.com>
> Cc: x86@kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: kvm@vger.kernel.org
> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
> ---
>  arch/x86/kernel/kvm.c | 41 ++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 38 insertions(+), 3 deletions(-)

Reviewed-by: Borislav Petkov <bp@suse.de>

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--