Commit ca84ed7f authored by Robin Murphy's avatar Robin Murphy Committed by Joerg Roedel
Browse files

iommu/virtio: Drop IOVA cookie management 



The core code bakes its own cookies now.

Reviewed-by: default avatarJean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: default avatarRobin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/f05cd2d0a0f414de3180e2536c7656faf1e52418.1628682049.git.robin.murphy@arm.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent aa654642

drivers/iommu/virtio-iommu.c

+0 −8
Original line number Diff line number Diff line
@@ -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);