RE: [PATCH v1 18/22] vfio: add support for flush iommu stage-1 cache

Liu, Yi L
2020-03-25T10:40:15Z

> From: Peter Xu <peterx@redhat.com>
> Sent: Wednesday, March 25, 2020 2:19 AM
> To: Liu, Yi L <yi.l.liu@intel.com>
> 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@intel.com>
> > Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
> > Cc: Peter Xu <peterx@redhat.com>
> > Cc: Eric Auger <eric.auger@redhat.com>
> > Cc: Yi Sun <yi.y.sun@linux.intel.com>
> > Cc: David Gibson <david@gibson.dropbear.id.au>
> > Cc: Alex Williamson <alex.williamson@redhat.com>
> > Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
>
> Acked-by: Peter Xu <peterx@redhat.com>

Thanks, Peter.

Regards,
Yi Liu