From: Robin Murphy <robin.murphy@arm.com>
To: joro@8bytes.org, will@kernel.org
Cc: iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, suravee.suthikulpanit@amd.com,
baolu.lu@linux.intel.com, john.garry@huawei.com,
dianders@chromium.org
Subject: [PATCH 11/23] iommu/virtio: Drop IOVA cookie management
Date: Wed, 21 Jul 2021 19:20:22 +0100 [thread overview]
Message-ID: <5fba29ae8145bbf7a1fec79e62624308fc393050.1626888445.git.robin.murphy@arm.com> (raw)
In-Reply-To: <cover.1626888444.git.robin.murphy@arm.com>
The core code bakes its own cookies now.
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
next prev parent reply other threads:[~2021-07-21 18:21 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 18:20 [PATCH 00/23] iommu: Refactor DMA domain strictness Robin Murphy
2021-07-21 18:20 ` [PATCH 01/23] iommu: Pull IOVA cookie management into the core Robin Murphy
2021-07-21 18:20 ` [PATCH 02/23] iommu/amd: Drop IOVA cookie management Robin Murphy
2021-07-21 18:20 ` [PATCH 03/23] iommu/arm-smmu: " Robin Murphy
2021-07-21 18:20 ` [PATCH 04/23] iommu/vt-d: " Robin Murphy
2021-07-21 18:20 ` [PATCH 05/23] iommu/exynos: " Robin Murphy
2021-07-21 18:20 ` [PATCH 06/23] iommu/ipmmu-vmsa: " Robin Murphy
2021-07-21 18:20 ` [PATCH 07/23] iommu/mtk: " Robin Murphy
2021-07-21 18:20 ` [PATCH 08/23] iommu/rockchip: " Robin Murphy
2021-07-21 18:20 ` [PATCH 09/23] iommu/sprd: " Robin Murphy
2021-07-21 18:20 ` [PATCH 10/23] iommu/sun50i: " Robin Murphy
2021-07-21 18:20 ` Robin Murphy [this message]
2021-07-21 18:20 ` [PATCH 12/23] iommu/dma: Unexport " Robin Murphy
2021-07-21 18:20 ` [PATCH 13/23] iommu/dma: Remove redundant "!dev" checks Robin Murphy
2021-07-26 8:28 ` John Garry
2021-07-21 18:20 ` [PATCH 14/23] iommu: Introduce explicit type for non-strict DMA domains Robin Murphy
2021-07-21 18:20 ` [PATCH 15/23] iommu/amd: Prepare for multiple DMA domain types Robin Murphy
2021-07-21 18:20 ` [PATCH 16/23] iommu/arm-smmu: " Robin Murphy
2021-07-26 12:46 ` Joerg Roedel
2021-07-26 13:09 ` Robin Murphy
2021-07-26 18:43 ` Joerg Roedel
2021-07-21 18:20 ` [PATCH 17/23] iommu/vt-d: " Robin Murphy
2021-07-22 16:44 ` kernel test robot
2021-07-22 17:30 ` Robin Murphy
2021-07-22 18:44 ` kernel test robot
2021-07-24 5:23 ` Lu Baolu
2021-07-26 8:30 ` Robin Murphy
2021-07-21 18:20 ` [PATCH 18/23] iommu: Express DMA strictness via the domain type Robin Murphy
2021-07-24 5:29 ` Lu Baolu
2021-07-26 8:27 ` Robin Murphy
2021-07-26 11:31 ` Lu Baolu
2021-07-26 12:29 ` Lu Baolu
2021-07-26 12:43 ` Robin Murphy
2021-07-21 18:20 ` [PATCH 19/23] iommu: Expose DMA domain strictness via sysfs Robin Murphy
2021-07-21 18:20 ` [PATCH 20/23] iommu: Allow choosing DMA strictness at build time Robin Murphy
2021-07-21 18:20 ` [PATCH 21/23] iommu/dma: Factor out flush queue init Robin Murphy
2021-07-21 18:20 ` [PATCH 22/23] iommu: Allow enabling non-strict mode dynamically Robin Murphy
2021-07-21 18:20 ` [PATCH 23/23] iommu/arm-smmu: Allow non-strict in pgtable_quirks interface Robin Murphy
2021-07-26 8:13 ` [PATCH 00/23] iommu: Refactor DMA domain strictness John Garry
2021-07-26 12:06 ` Robin Murphy
2021-07-26 13:02 ` Joerg Roedel
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