On 23/05/14 18:58, Konrad Rzeszutek Wilk wrote: > On Fri, May 23, 2014 at 03:59:14AM -1000, NightLightHosts Admin wrote: >> +3 XEN! >> >> On Fri, May 23, 2014 at 3:56 AM, O'Reilly, Dan <Daniel.OReilly at dish.com> wrote: >>> +2 >>> >>> -----Original Message----- >>> From: centos-virt-bounces at centos.org [mailto:centos-virt-bounces at centos.org] On Behalf Of Antony Messerli >>> Sent: Friday, May 23, 2014 7:49 AM >>> To: <centos-virt at centos.org> >>> Subject: Re: [CentOS-virt] Xen DomU supoprt in RHEL 7 and the CentOS Plan >>> >>> +1 on Xen support, I haven't had time to test on RHEL yet or poke around in the kernel yet, but has all of the Xen support been removed from the kernel? > > It has not been removed, but .. let me go in details. > > You can boot an RHEL7 guest as PV, but there are issues: > > 1). The FB driver has been unset (CONFIG_XEN_FBDEV_FRONTEND) that means you can > still do a text-console (in theory). Is this an interesting use case? XenServer, for example, doesn't present a PV frame buffer to any PV guest and I don't recall anyone ever asking for it. There are better technologies for graphical remote access (e.g., remote X over SSH, RDP, VNC...). > 3). There are also some systemd and udev things missing. Really? What? There shouldn't be anything extra for a pure PV guest vs a PVHVM guest (which RedHat do support).] David