On Mon, Jun 05, 2017 at 11:15:11AM +0800, Peter Xu wrote:
> On Fri, Jun 02, 2017 at 06:45:05PM +0300, Michael S. Tsirkin wrote:
> > On Fri, Jun 02, 2017 at 07:50:54PM +0800, Peter Xu wrote:
> > > This patch pre-heat vhost iotlb cache when passthrough mode enabled.
> > >
> > > Sometimes, even if us
On 2017年06月05日 11:15, Peter Xu wrote:
On Fri, Jun 02, 2017 at 06:45:05PM +0300, Michael S. Tsirkin wrote:
On Fri, Jun 02, 2017 at 07:50:54PM +0800, Peter Xu wrote:
This patch pre-heat vhost iotlb cache when passthrough mode enabled.
Sometimes, even if user specified iommu_platform for vhost
On Fri, Jun 02, 2017 at 06:45:05PM +0300, Michael S. Tsirkin wrote:
> On Fri, Jun 02, 2017 at 07:50:54PM +0800, Peter Xu wrote:
> > This patch pre-heat vhost iotlb cache when passthrough mode enabled.
> >
> > Sometimes, even if user specified iommu_platform for vhost devices,
> > IOMMU might still
On Fri, Jun 02, 2017 at 07:50:54PM +0800, Peter Xu wrote:
> This patch pre-heat vhost iotlb cache when passthrough mode enabled.
>
> Sometimes, even if user specified iommu_platform for vhost devices,
> IOMMU might still be disabled. One case is passthrough mode in VT-d
> implementation. We can de
On Fri, Jun 02, 2017 at 07:50:54PM +0800, Peter Xu wrote:
> This patch pre-heat vhost iotlb cache when passthrough mode enabled.
>
> Sometimes, even if user specified iommu_platform for vhost devices,
> IOMMU might still be disabled. One case is passthrough mode in VT-d
> implementation. We can de
This patch pre-heat vhost iotlb cache when passthrough mode enabled.
Sometimes, even if user specified iommu_platform for vhost devices,
IOMMU might still be disabled. One case is passthrough mode in VT-d
implementation. We can detect this by observing iommu_list. If it's
empty, it means IOMMU tra
