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SubjectRe: [PATCH v14 00/22] Add Mediated device support
On Fri, Nov 18, 2016 at 4:40 PM, Alex Williamson
<alex.williamson@redhat.com> wrote:
>> Alex, could you do a pull request of mdev for Daniel's drm-intel tree?
>> We need to send KVMGT mdev support pull base on that.
>
> No, this is not how I intend or prefer to merge this. This is a large
> change for vfio and it is not exclusive to KVMGT. We have linux-next
> to facilitate handling dependencies between subsystems during
> development and a two week merge window to allow managing how these
> changes enter the mainline tree. If I were to have this pulled into
> drm-intel it ties my hands as to how I can manage changes within my
> functional area. I want these two weeks of linux-next exposure for
> vetting the changes and resolving any remaining issues. I'm not going
> to compromise my ability to react to such issues. linux-next inclusion
> should be sufficient for you to coordinate through the drm tree, though
> Daniel will need to be made aware of the dependency. I will however
> plan to send my pull request to Linus early in the merge window to
> accommodate dependent changes also being included for v4.10. Hope
> you understand, thanks,

My understanding was that the mdev changes are needed to be able to
apply the kvmgt stuff, and otherwise it won't build. For that I need a
stable git tag&pull request (can be specific topic branch, which means
subsystems can land in any order, or the full subsystem tree, which
means depencies need to be tracked correctly). I am not going to
resolve that in the merge window, since in drm we want everything
lined up _before_ that opens (the feature cutoff is this w/e, but
there's some wiggle room ofc).

Sounds like there's just not enough time to line all the things up in
time for 4.10, and the i915/kmvgt stuff needs to be postponed to 4.11.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

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