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authorJason Gunthorpe <jgg@nvidia.com>2025-04-08 13:35:50 -0300
committerJoerg Roedel <jroedel@suse.de>2025-04-28 13:14:59 +0200
commita4672d0fe17dd2b5b2f485ae6c98990164e874eb (patch)
tree42873d12a873b65c819a6e7fa8ab7eee95fab9f6
parent07107e74444bedb943ee91ec6072c3baf62f4ae7 (diff)
iommu: Do not call domain_alloc() in iommu_sva_domain_alloc()
No driver implements SVA under domain_alloc() anymore, this is dead code. Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Link: https://lore.kernel.org/r/4-v4-ff5fb6b03bd1+288-iommu_virtio_domains_jgg@nvidia.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
-rw-r--r--drivers/iommu/iommu-sva.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c
index 944daa0dabd6..1a51cfd82808 100644
--- a/drivers/iommu/iommu-sva.c
+++ b/drivers/iommu/iommu-sva.c
@@ -296,15 +296,12 @@ static struct iommu_domain *iommu_sva_domain_alloc(struct device *dev,
const struct iommu_ops *ops = dev_iommu_ops(dev);
struct iommu_domain *domain;
- if (ops->domain_alloc_sva) {
- domain = ops->domain_alloc_sva(dev, mm);
- if (IS_ERR(domain))
- return domain;
- } else {
- domain = ops->domain_alloc(IOMMU_DOMAIN_SVA);
- if (!domain)
- return ERR_PTR(-ENOMEM);
- }
+ if (!ops->domain_alloc_sva)
+ return ERR_PTR(-EOPNOTSUPP);
+
+ domain = ops->domain_alloc_sva(dev, mm);
+ if (IS_ERR(domain))
+ return domain;
domain->type = IOMMU_DOMAIN_SVA;
domain->cookie_type = IOMMU_COOKIE_SVA;