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@xxxxxxx>
>
> 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@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
> Cc: Borislav Petkov <bp@xxxxxxx>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Cc: x86@xxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
> Signed-off-by: Brijesh Singh <brijesh.singh@xxxxxxx>
> ---
> 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@xxxxxxx>
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
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