linux-kernel - Re: refactor the i915 GVT support and move to the modern mdev API v3

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Date:   Wed, 20 Apr 2022 07:12:34 +0000
From:   "Wang, Zhi A" <zhi.a.wang@...el.com>
To:     Christoph Hellwig <hch@....de>, Jason Gunthorpe <jgg@...dia.com>
CC:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "intel-gfx@...ts.freedesktop.org" <intel-gfx@...ts.freedesktop.org>,
        "Joonas Lahtinen" <joonas.lahtinen@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        "Alex Williamson" <alex.williamson@...hat.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        "Vivi, Rodrigo" <rodrigo.vivi@...el.com>,
        "intel-gvt-dev@...ts.freedesktop.org" 
        <intel-gvt-dev@...ts.freedesktop.org>
Subject: Re: refactor the i915 GVT support and move to the modern mdev API v3

On 4/20/22 7:08 AM, Christoph Hellwig wrote:
> On Thu, Apr 14, 2022 at 11:38:59AM -0300, Jason Gunthorpe wrote:
>> pull requests can flow through more than one tree concurrently. The
>> purpose of the topic branch is to allow all the commits to be in all
>> the trees they need to be in at once.
>>
>> So you should send this branch as a PR to the next logical upstream
>> tree gvt patches normally go through, in the usual way that you send
>> PRs. Especially in this case where there is a small merge conflict
>> internal to DRM to resolve. I'm assuming this is the drm-intel-next
>> tree?
>>
>> Once DRM is internally happy then VFIO can merge it as well. You can
>> view VFIO as the secondary path to Linus, DRM as primary. Alex will
>> mention in his pull request that VFIO has a 'shared branch with DRM
>> for gvt'.
> 
> Where do we stand here?  The (somewhat misnamed) topic/for-christoph
> branch looks fine to me now except for the mіssing "static inline" on
> the intel_gvt_iterate_mmio_table stub.
> 
> When can we expect it in the i915 tree and linux-next?
> 
Qur QA finished the test yesterday and I just made a tag. The pull
request is going to be sent today. Yes, I will fix that.

Thanks,
Zhi.