Re: [PATCH v3 4/4] vfio: Require that devices support DMA cache coherence

Hi, We encounter a issue with the patch: our platform is ARM64, and we run DPDK with smmu disable on VM (without iommu=smmuv3 etc), so we use noiommu mode with enable_unsafe_noiommu_mode=1 to passthrough the device to VM with following steps (those steps are on VM) : insmod vfio.ko enable_u

Re: [PATCH v3 4/4] vfio: Require that devices support DMA cache coherence

On Mon, Jul 04, 2022 at 09:21:26PM +0800, chenxiang (M) wrote: > Hi, > > We encounter a issue with the patch: our platform is ARM64, and we run DPDK > with smmu disable on VM (without iommu=smmuv3 etc), > > so we use noiommu mode with enable_unsafe_noiommu_mode=1 to passthrough the > device to VM