From mboxrd@z Thu Jan  1 00:00:00 1970
From: Borislav Petkov <bp@suse.de>
Subject: Re: [Part1 PATCH v4 11/17] x86/mm: DMA support for SEV memory
 encryption
Date: Sun, 17 Sep 2017 16:07:22 +0200
Message-ID: <20170917140722.GI4733@nazgul.tnic>
References: <20170916123418.37807-1-brijesh.singh@amd.com>
 <20170916123418.37807-12-brijesh.singh@amd.com>
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Cc: linux-kernel@vger.kernel.org, x86@kernel.org, kvm@vger.kernel.org,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>,
        "H . Peter Anvin" <hpa@zytor.com>,
        Andy Lutomirski <luto@kernel.org>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Brijesh Singh <brijesh.singh@amd.com>
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On Sat, Sep 16, 2017 at 07:34:12AM -0500, Brijesh Singh wrote:

Add a verb to patch subject:

Subject: x86/mm: Add DMA support for ...

> From: Tom Lendacky <thomas.lendacky@amd.com>
> 
> DMA access to encrypted memory cannot be performed when SEV is active.
> In order for DMA to properly work when SEV is active, the SWIOTLB bounce
> buffers must be used.
> 
> 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: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
> Cc: x86@kernel.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
> ---
>  arch/x86/mm/mem_encrypt.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++
>  lib/swiotlb.c             |  5 +--
>  2 files changed, 89 insertions(+), 2 deletions(-)

With that:

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

-- 
Regards/Gruss,
    Boris.

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