Re: [RFC PATCH 04/11] iommu/arm-smmu-v3: Split block descriptor to a span of page

2021-02-07 Thread Keqian Zhu
Hi Robin, On 2021/2/5 3:51, Robin Murphy wrote: > On 2021-01-28 15:17, Keqian Zhu wrote: >> From: jiangkunkun >> >> Block descriptor is not a proper granule for dirty log tracking. This >> adds a new interface named split_block in iommu layer and arm smmuv3 >> implements it, which splits block

Re: [RFC PATCH 04/11] iommu/arm-smmu-v3: Split block descriptor to a span of page

2021-02-04 Thread Robin Murphy
On 2021-01-28 15:17, Keqian Zhu wrote: From: jiangkunkun Block descriptor is not a proper granule for dirty log tracking. This adds a new interface named split_block in iommu layer and arm smmuv3 implements it, which splits block descriptor to an equivalent span of page descriptors. During

[RFC PATCH 04/11] iommu/arm-smmu-v3: Split block descriptor to a span of page

2021-01-28 Thread Keqian Zhu
From: jiangkunkun Block descriptor is not a proper granule for dirty log tracking. This adds a new interface named split_block in iommu layer and arm smmuv3 implements it, which splits block descriptor to an equivalent span of page descriptors. During spliting block, other interfaces are not