[PATCH 02/23] iommu/amd: Drop IOVA cookie management
From: Robin Murphy <robin.murphy@arm.com>
Date: 2021-07-21 18:20:55
Also in:
linux-iommu, lkml
Subsystem:
amd iommu (amd-vi), iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
The core code bakes its own cookies now. Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- drivers/iommu/amd/iommu.c | 12 ------------ 1 file changed, 12 deletions(-)
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 811a49a95d04..40ae7130fc80 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c@@ -1924,16 +1924,7 @@ static struct iommu_domain *amd_iommu_domain_alloc(unsigned type) domain->domain.geometry.aperture_end = ~0ULL; domain->domain.geometry.force_aperture = true; - if (type == IOMMU_DOMAIN_DMA && - iommu_get_dma_cookie(&domain->domain) == -ENOMEM) - goto free_domain; - return &domain->domain; - -free_domain: - protection_domain_free(domain); - - return NULL; } static void amd_iommu_domain_free(struct iommu_domain *dom)
@@ -1950,9 +1941,6 @@ static void amd_iommu_domain_free(struct iommu_domain *dom) if (!dom) return; - if (dom->type == IOMMU_DOMAIN_DMA) - iommu_put_dma_cookie(&domain->domain); - if (domain->flags & PD_IOMMUV2_MASK) free_gcr3_table(domain);
--
2.25.1
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