> From: Nicolin Chen <nicolinc@xxxxxxxxxx> > Sent: Friday, April 11, 2025 2:38 PM > [...] > This is a big > improvement since there is no VM Exit during an invalidation, compared to > the traditional invalidation pathway by trapping a guest-own invalidation > queue and forwarding those commands/requests to the host kernel that will > eventually fill a HW-owned queue to execute those commands. > any data to show how big the improvements could be in major IOMMU usages (kernel dma, user dma and sva)?
