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| Started by | Borislav Petkov <bp@alien8.de> |
|---|---|
| First post | 2017-05-16 16:30 +0200 |
| Last post | 2017-05-16 16:30 +0200 |
| Articles | 1 — 1 participant |
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Re: [PATCH v5 22/32] x86, swiotlb: DMA support for memory encryption Borislav Petkov <bp@alien8.de> - 2017-05-16 16:30 +0200
| From | Borislav Petkov <bp@alien8.de> |
|---|---|
| Date | 2017-05-16 16:30 +0200 |
| Subject | Re: [PATCH v5 22/32] x86, swiotlb: DMA support for memory encryption |
| Message-ID | <tHLE5-6Kq-3@gated-at.bofh.it> |
On Tue, Apr 18, 2017 at 04:20:10PM -0500, Tom Lendacky wrote:
> Since DMA addresses will effectively look like 48-bit addresses when the
> memory encryption mask is set, SWIOTLB is needed if the DMA mask of the
> device performing the DMA does not support 48-bits. SWIOTLB will be
> initialized to create decrypted bounce buffers for use by these devices.
Use a verb in the subject:
Subject: x86, swiotlb: Add memory encryption support
or similar.
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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