On Fri, Jan 20, 2017 at 10:14:01AM -0700, Alex Williamson wrote:
> On Fri, 20 Jan 2017 20:27:18 +0800
> Peter Xu wrote:
>
> > On Fri, Jan 20, 2017 at 11:43:28AM +0800, Peter Xu wrote:
> >
> > [...]
> >
> > > > What I don't want to see is for this API bug to leak out into the
On Fri, 20 Jan 2017 20:27:18 +0800
Peter Xu wrote:
> On Fri, Jan 20, 2017 at 11:43:28AM +0800, Peter Xu wrote:
>
> [...]
>
> > > What I don't want to see is for this API bug to leak out into the rest
> > > of the QEMU code such that intel_iommu code, or iommu code in general
On Fri, Jan 20, 2017 at 11:43:28AM +0800, Peter Xu wrote:
[...]
> > What I don't want to see is for this API bug to leak out into the rest
> > of the QEMU code such that intel_iommu code, or iommu code in general
> > subtly avoids it by artificially using a smaller range. VT-d hardware
> > has
On Thu, Jan 19, 2017 at 09:21:10PM -0700, Alex Williamson wrote:
> On Fri, 20 Jan 2017 11:43:28 +0800
> Peter Xu wrote:
>
> > On Thu, Jan 19, 2017 at 10:54:37AM -0700, Alex Williamson wrote:
> > > On Thu, 19 Jan 2017 17:25:29 +0800
> > > Peter Xu wrote:
> >
On Fri, 20 Jan 2017 11:43:28 +0800
Peter Xu wrote:
> On Thu, Jan 19, 2017 at 10:54:37AM -0700, Alex Williamson wrote:
> > On Thu, 19 Jan 2017 17:25:29 +0800
> > Peter Xu wrote:
> >
> > > This requirement originates from the VT-d vfio series:
> > >
> > >
On Thu, Jan 19, 2017 at 10:54:37AM -0700, Alex Williamson wrote:
> On Thu, 19 Jan 2017 17:25:29 +0800
> Peter Xu wrote:
>
> > This requirement originates from the VT-d vfio series:
> >
> > https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg03495.html
> >
> > The
On Thu, 19 Jan 2017 17:25:29 +0800
Peter Xu wrote:
> This requirement originates from the VT-d vfio series:
>
> https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg03495.html
>
> The goal of this series is to allow IOMMU to notify unmap with very
> big IOTLB range,
This requirement originates from the VT-d vfio series:
https://lists.nongnu.org/archive/html/qemu-devel/2017-01/msg03495.html
The goal of this series is to allow IOMMU to notify unmap with very
big IOTLB range, for example, with base=0 and size=2^63-1 (to unmap
the whole address space).
The