diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/intr_remapping.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c index ef25caade54..472be1c3fff 100644 --- a/drivers/pci/intr_remapping.c +++ b/drivers/pci/intr_remapping.c @@ -524,6 +524,13 @@ int __init enable_intr_remapping(int eim) struct intel_iommu *iommu = drhd->iommu; /* + * If the queued invalidation is already initialized, + * shouldn't disable it. + */ + if (iommu->qi) + continue; + + /* * Clear previous faults. */ dmar_fault(-1, iommu); |