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Re: [PATCH v2 3/7] virtio-iommu: Handle non power of 2 range invalidatio
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From: |
Peter Xu |
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Subject: |
Re: [PATCH v2 3/7] virtio-iommu: Handle non power of 2 range invalidations |
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Date: |
Thu, 25 Feb 2021 11:01:13 -0500 |
On Thu, Feb 25, 2021 at 10:14:31AM +0100, Eric Auger wrote:
> Unmap notifiers work with an address mask assuming an
> invalidation range of a power of 2. Nothing mandates this
> in the VIRTIO-IOMMU spec.
>
> So in case the range is not a power of 2, split it into
> several invalidations.
>
> Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
- [PATCH v2 0/7] Some vIOMMU fixes, Eric Auger, 2021/02/25
- [PATCH v2 1/7] intel_iommu: Fix mask may be uninitialized in vtd_context_device_invalidate, Eric Auger, 2021/02/25
- [PATCH v2 2/7] dma: Introduce dma_aligned_pow2_mask(), Eric Auger, 2021/02/25
- [PATCH v2 3/7] virtio-iommu: Handle non power of 2 range invalidations, Eric Auger, 2021/02/25
- Re: [PATCH v2 3/7] virtio-iommu: Handle non power of 2 range invalidations,
Peter Xu <=
- [PATCH v2 4/7] hw/arm/smmu-common: Fix smmu_iotlb_inv_iova when asid is not set, Eric Auger, 2021/02/25
- [PATCH v2 6/7] hw/arm/smmuv3: Fix SMMU_CMD_CFGI_STE_RANGE handling, Eric Auger, 2021/02/25
- [PATCH v2 5/7] hw/arm/smmuv3: Enforce invalidation on a power of two range, Eric Auger, 2021/02/25
- [PATCH v2 7/7] hw/arm/smmuv3: Uniformize sid traces, Eric Auger, 2021/02/25