Decided to drop these changes as new ones are much better. Frediano
----- Original Message ----- > From: "Marc-André Lureau" <[email protected]> > To: "Frediano Ziglio" <[email protected]> > Cc: "spice-devel" <[email protected]> > Sent: Monday, June 8, 2015 6:44:50 PM > Subject: Re: [Spice-devel] [PATCH] Allow Qemu to pass maximum head to guest > 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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