Hi Kevin, > From: Tian, Kevin > Sent: Friday, October 25, 2019 4:59 PM > To: Liu, Yi L <yi.l.liu@xxxxxxxxx>; alex.williamson@xxxxxxxxxx; > Subject: RE: [RFC v2 0/3] vfio: support Shared Virtual Addressing > > > From: Liu Yi L > > Sent: Thursday, October 24, 2019 8:26 PM > > > > Shared virtual address (SVA), a.k.a, Shared virtual memory (SVM) on > > Intel platforms allow address space sharing between device DMA and > > applications. > > SVA can reduce programming complexity and enhance security. > > This series is intended to expose SVA capability to VMs. i.e. shared > > guest application address space with passthru devices. The whole SVA > > virtualization requires QEMU/VFIO/IOMMU changes. This series includes > > the VFIO changes, for QEMU and IOMMU changes, they are in separate > > series (listed in the "Related series"). > > > > The high-level architecture for SVA virtualization is as below: > > [...] > > > > Related series: > > [1] [PATCH v6 00/10] Nested Shared Virtual Address (SVA) VT-d support: > > https://lkml.org/lkml/2019/10/22/953 > > <This series is based on this kernel series from Jacob Pan> > > > > [2] [RFC v2 00/20] intel_iommu: expose Shared Virtual Addressing to VM > > from Yi Liu > > there is no link, and should be [RFC v2 00/22] The link is not generated at the time this series is sent out. Yeah, should be [RFC v2 0/22]. Thanks for spotting it. Regards, Yi Liu