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| From: | Paolo Bonzini |
| Subject: | Re: [Qemu-devel] [PATCH 3/4] virtio-gpu: v0.3 of the virtio based GPU code. |
| Date: | Mon, 17 Mar 2014 10:27:57 +0100 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
Il 17/03/2014 05:36, Dave Airlie ha scritto:
I steered away from using config space for anything for the normal operation of the GPU after looking at overheads and hearing from S390 people that config space has some special properties on their hw,
Right, but this is only for the old s390-virtio implementation, and it means that the cursor would not work on s390-virtio either. The new one, which looks like real s390 hardware, doesn't have the problem.
The number of these events should be small in a running system, and I'm not sure how we'd lose one.
Are they few even if you resize the viewer window, and this causes a stream of display-size changes?
Paolo
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