On Fri, Mar 19, 2021 at 04:25:40PM -0600, Alex Williamson wrote:
> I've been trying to figure out how, but I think not. A user can have
> multiple devices, each with entirely separate IOMMU contexts. For each
> device, the user can create an mmap of memory to that device and add it
> to every
On Wed, 10 Mar 2021 07:56:39 +
Christoph Hellwig wrote:
> On Mon, Mar 08, 2021 at 02:48:30PM -0700, Alex Williamson wrote:
> > Using a vfio device, a notifier block can be registered to receive
> > select device events. Notifiers can only be registered for contained
> > devices, ie. they
On Mon, Mar 08, 2021 at 02:48:30PM -0700, Alex Williamson wrote:
> Using a vfio device, a notifier block can be registered to receive
> select device events. Notifiers can only be registered for contained
> devices, ie. they are available through a user context. Registration
> of a notifier
On Tue, Mar 09, 2021 at 08:45:13AM -0700, Alex Williamson wrote:
> > I'm having trouble guessing why we need to refcount the group to add a
> > notifier to the device's notifier chain?
> >
> > I suppose it actually has to do with the MMIO mapping? But I don't
> > know what the relation is
On Mon, 8 Mar 2021 20:46:27 -0400
Jason Gunthorpe wrote:
> On Mon, Mar 08, 2021 at 02:48:30PM -0700, Alex Williamson wrote:
> > Using a vfio device, a notifier block can be registered to receive
> > select device events. Notifiers can only be registered for contained
> > devices, ie. they are
On Mon, Mar 08, 2021 at 02:48:30PM -0700, Alex Williamson wrote:
> Using a vfio device, a notifier block can be registered to receive
> select device events. Notifiers can only be registered for contained
> devices, ie. they are available through a user context. Registration
> of a notifier
Using a vfio device, a notifier block can be registered to receive
select device events. Notifiers can only be registered for contained
devices, ie. they are available through a user context. Registration
of a notifier increments the reference to that container context
therefore notifiers must
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