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Re: [PATCH v1 19/24] vfio-user: secure DMA support
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From: |
John Johnson |
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Subject: |
Re: [PATCH v1 19/24] vfio-user: secure DMA support |
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Date: |
Mon, 12 Dec 2022 20:31:43 +0000 |
> On Dec 9, 2022, at 10:01 AM, John Levon <levon@movementarian.org> wrote:
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> On Tue, Nov 08, 2022 at 03:13:41PM -0800, John Johnson wrote:
>
>> Secure DMA forces the remote process to use DMA r/w messages
>> instead of directly mapping guest memeory.
>
> I don't really get why this is called "secure" - shouldn't have an option name
> more closely resembling what it actually does?
>
The option was added to address a security concern if the server has
mmap() access to guest memory. I can re-name it.
JJ