On Mon, Jun 8, 2015 at 7:24 PM, Frediano Ziglio <[email protected]> wrote:
> Hi, > the idea behind this is to be able from libvirt to set the number of > heads. > Other cards (like vmware) support this "heads" setting. > Actually is expected to work with QXL using Windows guest as in this > configuration every libvirt head will have a separate video card in the > guest. > QXL/Linux depends on configurations. Userspace driver uses min(16, X > setting default 4) while kernel will use a parameter (by defaults 4). I > have patches for both userspace driver and kms/drm. > It's quite hard to pass this limit from libvirt (you have also to consider > changing configuration after installation) for all guests. Actually there > is no way for Qemu to enforce this limit (so yes, is an hint). > This change is a bit different from previous ones as instead of requiring > a pci revision boost to add a field just use a flag. I tested and is back > compatible. > ok, that looks reasonable to me, looking forward for the rest of the patches -- Marc-André Lureau
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