diff options
| author | Jiang Liu <jiang.liu@linux.intel.com> | 2014-07-11 14:19:25 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2014-07-23 16:04:46 +0200 |
| commit | c3b497c6bb51a2be1173cbf1d1ef4ce5e88e722e (patch) | |
| tree | 9afe825991c03752289a442f0dcd5abfe8002243 /drivers/iommu/intel-iommu.c | |
| parent | cbb24a25a871cbdac4e58b68b541aadd91b249be (diff) | |
| download | lwn-c3b497c6bb51a2be1173cbf1d1ef4ce5e88e722e.tar.gz lwn-c3b497c6bb51a2be1173cbf1d1ef4ce5e88e722e.zip | |
iommu/vt-d: Match segment number when searching for dev_iotlb capable devices
For virtual machine and static identity domains, there may be devices
from different PCI segments associated with the same domain.
So function iommu_support_dev_iotlb() should also match PCI segment
number (iommu unit) when searching for dev_iotlb capable devices.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel-iommu.c')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 3664d0d00338..147ab1c0b573 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1272,7 +1272,8 @@ iommu_support_dev_iotlb (struct dmar_domain *domain, struct intel_iommu *iommu, spin_lock_irqsave(&device_domain_lock, flags); list_for_each_entry(info, &domain->devices, link) - if (info->bus == bus && info->devfn == devfn) { + if (info->iommu == iommu && info->bus == bus && + info->devfn == devfn) { found = 1; break; } |