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iommu/vt-d: Drop IOVA cookie management 

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>
This commit is contained in:
Robin Murphy 2021-08-11 13:21:18 +01:00 committed by Joerg Roedel
parent 229496a0eb
commit f297e27f83
1 changed files with 0 additions and 8 deletions
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8
drivers/iommu/intel/iommu.c
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@ -1979,10 +1979,6 @@ 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 =