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