Re: [Intel-gfx] [PULL] gvt-next-fixes

From: Jani Nikula <jani.nikula@intel.com>
To: Rodrigo Vivi <rodrigo.vivi@intel.com>,
	Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: "Zhao, Yan Y" <yan.y.zhao@intel.com>,
	intel-gvt-dev <intel-gvt-dev@lists.freedesktop.org>,
	intel-gfx <intel-gfx@lists.freedesktop.org>,
	"Yuan,  Hang" <hang.yuan@intel.com>,
	"Lv, Zhiyuan" <zhiyuan.lv@intel.com>,
	"Vetter, Daniel" <daniel.vetter@intel.com>
Subject: Re: [Intel-gfx] [PULL] gvt-next-fixes
Date: Tue, 07 Apr 2020 16:53:19 +0300	[thread overview]
Message-ID: <87wo6rier4.fsf@intel.com> (raw)
In-Reply-To: <20200407133559.GB4170610@intel.com>

On Tue, 07 Apr 2020, Rodrigo Vivi <rodrigo.vivi@intel.com> wrote:
> On Tue, Apr 07, 2020 at 04:02:56PM +0800, Zhenyu Wang wrote:
>> On 2020.04.03 10:50:33 -0700, Rodrigo Vivi wrote:
>> > 
>> > +Dave and Daniel,
>> > 
>> > > 
>> > > I forgot to mention one thing for 5.7. We've fixed to change guest mem r/w
>> > > from KVM to use new VFIO dma r/w instead in this series: https://patchwork.freedesktop.org/series/72038/
>> > > 
>> > > As this depends on VFIO tree and looks VFIO pull for 5.7 is not settled down
>> > > yet, we'd need to backmerge and send pull against vfio merge for 5.7.
>> > 
>> > I'm not sure if I'm following on which backmerge you are willing
>> > us to do here. And for me it looks like late for 5.7 already.
>> > 
>> > Maybe you mean we ack all of this to go through vfio flow
>> > then once that is settled drm backmerge and then drm-intel backmerge
>> > and you backmerge...
>> > 
>> > Is that what you want?
>> > 
>> 
>> My purpose is to get GVT side fixes of guest memory r/w through new
>> vfio dma r/w interface in 5.7. As vfio 5.7-rc1 pull has already been
>> merged in linus master, looks just want drm-intel backmerge now then
>> could send gvt side fixes. Ok for you?
>
> I'm afraid it is too late for that. That would depend on backmerge
> of drm itself as well... And we are in a point that we are about to
> move from drm-next to drm-fixes.

*If* they're fixes, drm-intel-fixes rebases on v5.7-rc1 or -rc2, and if
they can send a gvt fixes pull based on that, it could work out.

BR,
Jani.

>
> Also looking to the patches itself they look more content for -next
> than -fixes and our window with drm closed on -rc6
>
> So it looks to me that this will have to wait for the 5.8.
>
> One good suggestion I heard from Daniel for cases like this in the
> future is the use of topic branches so things don't get spread into
> multiple versions like this.
>
>> 
>> Sorry for late reply, I was out for a short vacation.
>
> Sorry for not been able to help further here
>
> Thanks,
> Rodrigo.
>
>> 
>> Thanks
>> 
>> -- 
>> Open Source Technology Center, Intel ltd.
>> 
>> $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
>
>

-- 
Jani Nikula, Intel Open Source Graphics Center
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