From f297e27f831705de50811d933a394969602e8564 Mon Sep 17 00:00:00 2001 From: Robin Murphy Date: Wed, 11 Aug 2021 13:21:18 +0100 Subject: [PATCH] iommu/vt-d: Drop IOVA cookie management The core code bakes its own cookies now. Reviewed-by: Lu Baolu Signed-off-by: Robin Murphy Link: https://lore.kernel.org/r/e9dbe3b6108f8538e17e0c5f59f8feeb714f51a4.1628682048.git.robin.murphy@arm.com Signed-off-by: Joerg Roedel --- drivers/iommu/intel/iommu.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index c12cc95..7e16863 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -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 = -- 2.7.4