[PATCH v3 11/25] iommu/virtio: Drop IOVA cookie management
From: Robin Murphy <robin.murphy@arm.com>
Date: 2021-08-04 17:16:47
Also in:
linux-iommu, lkml
Subsystem:
iommu subsystem, the rest, virtio iommu driver · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds, Jean-Philippe Brucker
The core code bakes its own cookies now. Reviewed-by: Jean-Philippe Brucker <redacted> Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- drivers/iommu/virtio-iommu.c | 8 -------- 1 file changed, 8 deletions(-)
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index 6abdcab7273b..80930ce04a16 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c@@ -598,12 +598,6 @@ static struct iommu_domain *viommu_domain_alloc(unsigned type) spin_lock_init(&vdomain->mappings_lock); vdomain->mappings = RB_ROOT_CACHED; - if (type == IOMMU_DOMAIN_DMA && - iommu_get_dma_cookie(&vdomain->domain)) { - kfree(vdomain); - return NULL; - } - return &vdomain->domain; }
@@ -643,8 +637,6 @@ static void viommu_domain_free(struct iommu_domain *domain) { struct viommu_domain *vdomain = to_viommu_domain(domain); - iommu_put_dma_cookie(domain); - /* Free all remaining mappings (size 2^64) */ viommu_del_mappings(vdomain, 0, 0);
--
2.25.1
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