Re: [PATCH v12 6/8] iommu/vt-d: Add svm/sva invalidate function

Hi Jacob, On 4/21/20 8:52 PM, Jacob Pan wrote: > When Shared Virtual Address (SVA) is enabled for a guest OS via > vIOMMU, we need to provide invalidation support at IOMMU API and driver > level. This patch adds Intel VT-d specific function to implement > iommu passdown invalidate API for shared v

[PATCH v12 6/8] iommu/vt-d: Add svm/sva invalidate function

When Shared Virtual Address (SVA) is enabled for a guest OS via vIOMMU, we need to provide invalidation support at IOMMU API and driver level. This patch adds Intel VT-d specific function to implement iommu passdown invalidate API for shared virtual address. The use case is for supporting caching