> From: Peter Xu <peterx@xxxxxxxxxx> > Sent: Wednesday, March 25, 2020 2:19 AM > To: Liu, Yi L <yi.l.liu@xxxxxxxxx> > Subject: Re: [PATCH v1 18/22] vfio: add support for flush iommu stage-1 cache > > On Sun, Mar 22, 2020 at 05:36:15AM -0700, Liu Yi L wrote: > > This patch adds flush_stage1_cache() definition in HostIOMUContextClass. > > And adds corresponding implementation in VFIO. This is to expose a way > > for vIOMMU to flush stage-1 cache in host side since guest owns > > stage-1 translation structures in dual stage DMA translation configuration. > > > > Cc: Kevin Tian <kevin.tian@xxxxxxxxx> > > Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx> > > Cc: Peter Xu <peterx@xxxxxxxxxx> > > Cc: Eric Auger <eric.auger@xxxxxxxxxx> > > Cc: Yi Sun <yi.y.sun@xxxxxxxxxxxxxxx> > > Cc: David Gibson <david@xxxxxxxxxxxxxxxxxxxxx> > > Cc: Alex Williamson <alex.williamson@xxxxxxxxxx> > > Signed-off-by: Liu Yi L <yi.l.liu@xxxxxxxxx> > > Acked-by: Peter Xu <peterx@xxxxxxxxxx> Thanks, Peter. Regards, Yi Liu