diff options
Diffstat (limited to 'drivers/iommu/intel/svm.c')
| -rw-r--r-- | drivers/iommu/intel/svm.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index e05c6c4cb8c3..2e627fbd5adb 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -366,17 +366,23 @@ static int intel_svm_set_dev_pasid(struct iommu_domain *domain, sdev->qdep = 0; } + ret = cache_tag_assign_domain(to_dmar_domain(domain), dev, pasid); + if (ret) + goto free_sdev; + /* Setup the pasid table: */ sflags = cpu_feature_enabled(X86_FEATURE_LA57) ? PASID_FLAG_FL5LP : 0; ret = intel_pasid_setup_first_level(iommu, dev, mm->pgd, pasid, FLPT_DEFAULT_DID, sflags); if (ret) - goto free_sdev; + goto unassign_tag; list_add_rcu(&sdev->list, &svm->devs); return 0; +unassign_tag: + cache_tag_unassign_domain(to_dmar_domain(domain), dev, pasid); free_sdev: kfree(sdev); free_svm: @@ -741,6 +747,8 @@ struct iommu_domain *intel_svm_domain_alloc(void) if (!domain) return NULL; domain->domain.ops = &intel_svm_domain_ops; + INIT_LIST_HEAD(&domain->cache_tags); + spin_lock_init(&domain->cache_lock); return &domain->domain; } |