diff mbox series

[04/23] iommu/vt-d: Drop IOVA cookie management

Message ID 6362cbb1cb25f04dea9545895763c52195ddfcbc.1626888444.git.robin.murphy@arm.com (mailing list archive)
State New, archived
Headers show
Series iommu: Refactor DMA domain strictness | expand

Commit Message

Robin Murphy July 21, 2021, 6:20 p.m. UTC 
The core code bakes its own cookies now.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
 drivers/iommu/intel/iommu.c | 8 --------
 1 file changed, 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index dd22fc7d5176..e2add5a0caef 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1980,10 +1980,6 @@  static void domain_exit(struct dmar_domain *domain)
 	/* Remove associated devices and clear attached or cached domains */
 	domain_remove_dev_info(domain);
 
-	/* destroy iovas */
-	if (domain->domain.type == IOMMU_DOMAIN_DMA)
-		iommu_put_dma_cookie(&domain->domain);
-
 	if (domain->pgd) {
 		struct page *freelist;
 
@@ -4544,10 +4540,6 @@  static struct iommu_domain *intel_iommu_domain_alloc(unsigned type)
 			return NULL;
 		}
 
-		if (type == IOMMU_DOMAIN_DMA &&
-		    iommu_get_dma_cookie(&dmar_domain->domain))
-			return NULL;
-
 		domain = &dmar_domain->domain;
 		domain->geometry.aperture_start = 0;
 		domain->geometry.aperture_end   =