From: Robin Murphy <robin.murphy@arm.com>
Date: Wed, 11 Aug 2021 13:21:18 +0100
Subject: iommu/vt-d: Drop IOVA cookie management
Git-commit: f297e27f831705de50811d933a394969602e8564
Patch-mainline: v5.15-rc1
References: bsc#1192202
The core code bakes its own cookies now.
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/e9dbe3b6108f8538e17e0c5f59f8feeb714f51a4.1628682048.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/intel/iommu.c | 8 --------
1 file changed, 8 deletions(-)
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -1979,10 +1979,6 @@ static void domain_exit(struct dmar_doma
/* 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_
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 =