| Message ID | 20161130164950.43543-7-roger.pau@citrix.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
> From: Roger Pau Monne [mailto:roger.pau@citrix.com] > Sent: Thursday, December 01, 2016 12:50 AM > > This provides uniform behavior between Intel and AMD IOMMU initialization, and > is a requirement for PVHv2 Dom0, that depends on a working IOMMU plus the PCI > bus being scanned for devices. > > Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> Acked-by: Kevin Tian <kevin.tian@intel.com>
diff --git a/xen/drivers/passthrough/vtd/iommu.c b/xen/drivers/passthrough/vtd/iommu.c index 48f120b..78b5a6a 100644 --- a/xen/drivers/passthrough/vtd/iommu.c +++ b/xen/drivers/passthrough/vtd/iommu.c @@ -2299,7 +2299,9 @@ int __init intel_vtd_setup(void) P(iommu_hap_pt_share, "Shared EPT tables"); #undef P - scan_pci_devices(); + ret = scan_pci_devices(); + if ( ret ) + goto error; ret = init_vtd_hw(); if ( ret )
This provides uniform behavior between Intel and AMD IOMMU initialization, and is a requirement for PVHv2 Dom0, that depends on a working IOMMU plus the PCI bus being scanned for devices. Signed-off-by: Roger Pau Monné <roger.pau@citrix.com> --- Cc: Jan Beulich <jbeulich@suse.com> Cc: Andrew Cooper <andrew.cooper3@citrix.com> Cc: Kevin Tian <kevin.tian@intel.com> Cc: Feng Wu <feng.wu@intel.com> --- Changes since v3: - New in this revision. --- xen/drivers/passthrough/vtd/iommu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)