| Message ID | 1453498558-6028-7-git-send-email-boris.ostrovsky@oracle.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
El 22/01/16 a les 22.35, Boris Ostrovsky ha escrit:
> HVMlite guests need PCI frontend and always have PV devices
We still haven't discussed how to perform pci-passthrough for HVMlite
guests. I admit there's a big chance that we are going to use the PV
pcifront driver but there's no guarantee about it yet, so I would just
leave it out for the moment.
Roger.
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index ff31ab4..d847f7d 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -405,7 +405,7 @@ static void xen_teardown_msi_irq(unsigned int irq) int __init pci_xen_init(void) { - if (!xen_pv_domain() || xen_initial_domain()) + if ((!xen_pv_domain() && !xen_hvmlite) || xen_initial_domain()) return -ENODEV; printk(KERN_INFO "PCI: setting up Xen PCI frontend stub\n"); diff --git a/arch/x86/xen/platform-pci-unplug.c b/arch/x86/xen/platform-pci-unplug.c index 9586ff3..802ec90 100644 --- a/arch/x86/xen/platform-pci-unplug.c +++ b/arch/x86/xen/platform-pci-unplug.c @@ -73,8 +73,8 @@ bool xen_has_pv_devices(void) if (!xen_domain()) return false; - /* PV domains always have them. */ - if (xen_pv_domain()) + /* PV and HVMlite domains always have them. */ + if (xen_pv_domain() || xen_hvmlite) return true; /* And user has xen_platform_pci=0 set in guest config as
HVMlite guests need PCI frontend and always have PV devices Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> --- arch/x86/pci/xen.c | 2 +- arch/x86/xen/platform-pci-unplug.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)