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Re: [Qemu-devel] [PATCH 1/8] virtio-gpu/2d: add hardware spec include fi
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] [PATCH 1/8] virtio-gpu/2d: add hardware spec include file |
Date: |
Thu, 16 Oct 2014 14:18:44 +0200 |
Hi,
> > How stable are these numbers?
>
> In theory the mesa/gallium numbers aren't stable, though I've never
> seen them change yet,
>
> If they diverge in the future I'll just provide a remapping table
> inside the guest driver.
>
> So it should be fine to expose these formats for 2D use.
Good.
> >> How do you test guests with big endian? Isn't it really slow?
> >
> > emulated pseries machine with fedora ppc64. Yes, it is slow. Building
> > a kernel with virtio-gpu driver takes a day or so.
>
> I spent a little while trying to get a ppc64 f20 install to complete, just
> using the F20 qemu ppc64 system package but hit a bug I
> think is related to missing SIMD instructions, so I'm not sure how best
> to move forward with getting a test platform here.
I'm using self-compiled qemu 2.1 which works fine, so it looks like this
issue has been fixed meanwhile.
If you want something newer without manually building it you can try the
virt-preview repo (see
https://fedoraproject.org/wiki/Virtualization_Preview_Repository).
cheers,
Gerd