Re: [PATCH v2 11/24] iommu/virtio: Drop IOVA cookie management
From: Jean-Philippe Brucker <hidden>
Date: 2021-07-30 09:20:57
Also in:
linux-iommu, lkml
On Wed, Jul 28, 2021 at 04:58:32PM +0100, Robin Murphy wrote:
The core code bakes its own cookies now. CC: Jean-Philippe Brucker <redacted> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Jean-Philippe Brucker <redacted> Also tested on the Seattle (vsmmuv3/viommu with lazy/strict, still need to test the runtime switch).
quoted hunk ↗ jump to hunk
--- 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 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
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