From mboxrd@z Thu Jan  1 00:00:00 1970
From: Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [iGVT-g] VFIO based vGPU(was Re: [Announcement] 2015-Q3 release
 of XenGT - a Mediated ...)
Date: Tue, 02 Feb 2016 08:28:21 +0100
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Cc: Jike Song <jike.song@intel.com>,
	Yang Zhang <yang.zhang.wz@gmail.com>,
	"igvt-g@lists.01.org" <igvt-g@ml01.01.org>,
	qemu-devel <qemu-devel@nongnu.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Paolo Bonzini <pbonzini@redhat.com>
To: Alex Williamson <alex.williamson@redhat.com>
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  Hi,

> Alternatively can the vgpu
> driver copy it to a private buffer and hardware can execute from that?

Copying is an option, but given the size execbuffers can have this comes
with a noticeable performance difference.

cheers,
  Gerd