Messages in this thread | | | Date | Sun, 17 Sep 2017 16:07:22 +0200 | From | Borislav Petkov <> | Subject | Re: [Part1 PATCH v4 11/17] x86/mm: DMA support for SEV memory encryption |
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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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