[Patch Part3 V3 02/21] iommu/vt-d: use correct domain id to flush virtual machine domains
Jiang Liu <[email protected]>
| Newsgroups | org.kernel.vger.linux-hotplug,dev.linux.lists.iommu,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pci |
|---|---|
| Message-ID | <[email protected]> |
For virtual machine domains, domain->id is a virtual id, and the real domain id written into context entry is dynamically allocated. So use the real domain id instead of domain->id when flushing iotlbs for virtual machine domains. Signed-off-by: Jiang Liu <[email protected]> --- drivers/iommu/intel-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index e29d963f3967..64a3c37d5cfa 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1825,7 +1825,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, (((u16)bus) << 8) | devfn, DMA_CCMD_MASK_NOBIT, DMA_CCMD_DEVICE_INVL); - iommu->flush.flush_iotlb(iommu, domain->id, 0, 0, DMA_TLB_DSI_FLUSH); + iommu->flush.flush_iotlb(iommu, id, 0, 0, DMA_TLB_DSI_FLUSH); } else { iommu_flush_write_buffer(iommu); } -- 1.7.10.4