Re: [Xen-devel] Is possible to do GPU virtualization in Intel® Atom?

[Asharaf Perinchikkal <Asharaf.Perinchikkal@xxxxxxxxxxxxxxxx>]

Is possible to achieve GPU virtualization in Intel® Atom using para 
virtualization?
________________________________________
From: Roger Pau Monné [roger.pau@xxxxxxxxxx]
Sent: Wednesday, August 02, 2017 1:04 PM
To: Asharaf Perinchikkal
Cc: xen-devel@xxxxxxxxxxxxx; Anoop Babu
Subject: Re: [Xen-devel] Is possible to do GPU virtualization in Intel® Atom?

On Tue, Aug 01, 2017 at 10:01:01AM +0000, Asharaf Perinchikkal wrote:
> Hi All,
>
>
> In Intel® Atom™ E3845(MinnowBoard Turbot Quad-Core board) has only  support 
> for Virtualization Technology (VT-x).
>
> No support for Intel® Virtualization Technology for Directed I/O (VT-d). 
> [https://ark.intel.com/products/78475/Intel-Atom-Processor-E3845-2M-Cache-1_91-GHz]

Without VT-d (IOMMU) you won't be able to passthrough any physical
device to a guest, so no, you won't be able to do GPU passthrough (at
least in a safe way).

Roger.
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