Re: [RFC PATCH v1 0/2] iommu/arm-smmu-v3: Add some parameter check in __arm_smmu_tlb_inv_range()

2021-05-21 Thread Kunkun Jiang
Hi Robin, On 2021/5/19 18:01, Robin Murphy wrote: On 2021-05-19 10:43, Kunkun Jiang wrote: Hi all, This set of patches solves some errors when I tested the SMMU nested mode. Test scenario description: guest kernel: 4KB translation granule host kernel: 16KB translation granule errors: 1.

Re: [RFC PATCH v1 0/2] iommu/arm-smmu-v3: Add some parameter check in __arm_smmu_tlb_inv_range()

2021-05-19 Thread Robin Murphy
On 2021-05-19 10:43, Kunkun Jiang wrote: Hi all, This set of patches solves some errors when I tested the SMMU nested mode. Test scenario description: guest kernel: 4KB translation granule host kernel: 16KB translation granule errors: 1. encountered an endless loop in __arm_smmu_tlb_inv_range

[RFC PATCH v1 0/2] iommu/arm-smmu-v3: Add some parameter check in __arm_smmu_tlb_inv_range()

2021-05-19 Thread Kunkun Jiang
Hi all, This set of patches solves some errors when I tested the SMMU nested mode. Test scenario description: guest kernel: 4KB translation granule host kernel: 16KB translation granule errors: 1. encountered an endless loop in __arm_smmu_tlb_inv_range because num_pages is 0 2. encountered