On Thu, May 25, 2017 at 09:14:55PM +0300, Michael S. Tsirkin wrote:
> On Mon, May 22, 2017 at 10:42:00AM +0800, Peter Xu wrote:
> > On Fri, May 19, 2017 at 07:55:26PM +0300, Michael S. Tsirkin wrote:
> > > On Fri, May 19, 2017 at 11:19:49AM +0800, Peter Xu wrote:
> > > > This patch pre-heat vhost i
On Mon, May 22, 2017 at 10:42:00AM +0800, Peter Xu wrote:
> On Fri, May 19, 2017 at 07:55:26PM +0300, Michael S. Tsirkin wrote:
> > On Fri, May 19, 2017 at 11:19:49AM +0800, Peter Xu wrote:
> > > This patch pre-heat vhost iotlb cache when passthrough mode enabled.
> > >
> > > Sometimes, even if us
On Fri, May 19, 2017 at 07:55:26PM +0300, Michael S. Tsirkin wrote:
> On Fri, May 19, 2017 at 11:19:49AM +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 2017年05月20日 00:55, Michael S. Tsirkin wrote:
On Fri, May 19, 2017 at 11:19:49AM +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 passthr
On Fri, May 19, 2017 at 11:19:49AM +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
