Re: [PATCH v4 09/22] iommu/vt-d: add svm/sva invalidate function

2018-04-20 Thread Jacob Pan
On Tue, 17 Apr 2018 13:10:45 -0600 Alex Williamson wrote: > On Mon, 16 Apr 2018 14:48:58 -0700 > 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

Re: [PATCH v4 09/22] iommu/vt-d: add svm/sva invalidate function

2018-04-17 Thread Alex Williamson
On Mon, 16 Apr 2018 14:48:58 -0700 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 sh

[PATCH v4 09/22] iommu/vt-d: add svm/sva invalidate function

2018-04-16 Thread Jacob Pan
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

[PATCH v4 09/22] iommu/vt-d: add svm/sva invalidate function

2018-03-22 Thread Jacob Pan
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