Re: [RFC PATCH 06/11] iommu/arm-smmu-v3: Scan leaf TTD to sync hardware dirty log

2021-02-07 Thread Keqian Zhu
On 2021/2/5 3:52, Robin Murphy wrote: > On 2021-01-28 15:17, Keqian Zhu wrote: >> From: jiangkunkun >> >> During dirty log tracking, user will try to retrieve dirty log from >> iommu if it supports hardware dirty log. This adds a new interface [...] >> static void

Re: [RFC PATCH 06/11] iommu/arm-smmu-v3: Scan leaf TTD to sync hardware dirty log

2021-02-07 Thread Keqian Zhu
Hi Robin, On 2021/2/5 3:52, Robin Murphy wrote: > On 2021-01-28 15:17, Keqian Zhu wrote: >> From: jiangkunkun >> >> During dirty log tracking, user will try to retrieve dirty log from >> iommu if it supports hardware dirty log. This adds a new interface >> named sync_dirty_log in iommu layer and

Re: [RFC PATCH 06/11] iommu/arm-smmu-v3: Scan leaf TTD to sync hardware dirty log

2021-02-04 Thread Robin Murphy
On 2021-01-28 15:17, Keqian Zhu wrote: From: jiangkunkun During dirty log tracking, user will try to retrieve dirty log from iommu if it supports hardware dirty log. This adds a new interface named sync_dirty_log in iommu layer and arm smmuv3 implements it, which scans leaf TTD and treats it's