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[Xen-users] xen-fbfront in PVHVM?

  • To: xen-users <xen-users@xxxxxxxxxxxxx>
  • From: "Merritt, Alex" <merritt.alex@xxxxxxxxxx>
  • Date: Wed, 5 Jun 2013 16:27:03 -0400 (EDT)
  • Delivery-date: Wed, 05 Jun 2013 20:29:08 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>


I hope my question is correct on xen-users, please let me know if I should 
email to the dev list instead.

I'm running Linux 3.9.3 in an HVM on Xen 4.2.2 and enabled PV drivers 
("PVHVM"). I noticed there's a Xen framebuffer frontend but it will not load. 
It returns No such device, and in xenfb_init() of drivers/video/xen-fbfront.c 
(in linux sources) I see the following made explicit:

static int __init xenfb_init(void)
    if (!xen_pv_domain())
        return -ENODEV;

Is there something which allows the network and block device frontends to 
function as PV in HVMs which this driver cannot support?


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