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....@citrix.com>
---
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Andrew Cooper <andrew.coop...@citrix.com>
Cc: Kevin Tian <kevin.t...@intel.com>
Cc: Feng Wu <feng...@intel.com>
---
Changes since v3:
- New in this revision.
---
xen/drivers/passthrough/vtd/iommu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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 )
--
2.9.3 (Apple Git-75)
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
